Aquarium Fish & Invertebrates
Stocking guides — minimum tank size, temperament, water parameters, and compatible aquascape designs for each species.
A
- Adolfo's Cory (Corydoras adolfoi)
- African Butterfly Fish (Pantodon buchholzi)
- African Knifefish (Xenomystus nigri)
- African Lungfish (Protopterus annectens)
- Agassiz's Dwarf Cichlid (Apistogramma agassizii)
- Albino Cory (Corydoras aeneus var.)
- Altifrons Geophagus (Geophagus altifrons)
- Altum Angelfish (Pterophyllum altum)
- Amano Shrimp (Caridina multidentata)
- Amazon Puffer (Colomesus asellus)
- Ameca Splendens (Ameca splendens)
- Angelfish (Pterophyllum scalare)
- Angelicus / Burmese Loach (Botia kubotai)
- Ansorge's Bichir (Polypterus ansorgii)
- Apistogramma panduro (Apistogramma panduro)
- Archerfish (Toxotes jaculatrix)
- Asian Arowana (Scleropages formosus)
- Asian Bumblebee Catfish (Bagrichthys macracanthus)
- Asian Swamp Eel (Monopterus albus)
- Assassin Snail (Clea helena)
- Auratus Mbuna (Melanochromis auratus)
- Axelrod's Chilatherina (Chilatherina axelrodi)
- Axelrod's Rainbowfish (Melanotaenia herbertaxelrodi)
- Axelrod's Rasbora (Sundadanio axelrodi)
B
- Bamboo / Wood Shrimp (Atyopsis moluccensis)
- Banded Knifefish (Gymnotus carapo)
- Banded Kuhli Loach (Pangio kuhlii)
- Bandit Cory (Corydoras metae)
- Barred Pencilfish (Nannostomus espei)
- Batik Nerite Snail (Neritina turrita)
- Betta (Siamese Fighting Fish) (Betta splendens)
- Big-Head Victorian (Pundamilia macrocephala)
- Bigtooth River Stingray (Potamotrygon henlei)
- Black Calvus (Altolamprologus calvus)
- Black Ghost Knifefish (Apteronotus albifrons)
- Black King Kong Shrimp (Caridina cantonensis var.)
- Black Kuhli Loach (Pangio oblonga)
- Black Molly (Poecilia sphenops var.)
- Black Moor Goldfish (Carassius auratus var.)
- Black Neon Tetra (Hyphessobrycon herbertaxelrodi)
- Black Phantom Tetra (Hyphessobrycon megalopterus)
- Black Rose Shrimp (Neocaridina davidi var.)
- Black Sail Cory (Corydoras duplicareus)
- Black Skirt Tetra (Gymnocorymbus ternetzi)
- Black Wedge Tetra (Hyphessobrycon nigricinctus)
- Black-Spot Barb (Dawkinsia filamentosa)
- Blackstripe Cory (Corydoras melanistius)
- Blackwing Hatchetfish (Carnegiella marthae)
- Bladder Snail (Physella acuta)
- Bleeding Heart Tetra (Hyphessobrycon erythrostigma)
- Bleher's Rainbowfish (Cheilochromis euchilus)
- Bleher's Rainbowfish (Chilatherina) (Chilatherina bleheri)
- Blind Cave Tetra (Astyanax mexicanus)
- Blood Parrot Cichlid (Hybrid (Amphilophus x Vieja))
- Bloodfin Tetra (Aphyocharax anisitsi)
- Blue Bolt Shrimp (Caridina cantonensis var.)
- Blue Danio (Danio kerri)
- Blue Dream Shrimp (Neocaridina davidi var.)
- Blue Gourami (Trichopodus trichopterus)
- Blue Gularis Killifish (Fundulopanchax deltaensis)
- Blue Lobster Crayfish (Procambarus clarkii var.)
- Blue Mystery Snail (Pomacea bridgesii var.)
- Blue Neon Cichlid (Paracyprichromis nigripinnis)
- Blue Phantom Pleco (Hemiancistrus sp. L128)
- Blue Tiger Shrimp (Caridina mariae var.)
- Blue Velvet Shrimp (Neocaridina davidi var.)
- Boeseman's Rainbowfish (Melanotaenia boesemani)
- Boesemani Rainbowfish (Melanotaenia boesemani)
- Bolivian Ram (Mikrogeophagus altispinosus)
- Bonti Rainbowfish (Telmatherina bonti)
- Borneo Hillstream Loach (Gastromyzon borneensis)
- Brazos Dwarf Crayfish (Cambarellus texanus)
- Brevis Shell-Dweller (Neolamprologus brevis)
- Brilliant Rasbora (Rasbora einthovenii)
- Bristlenose Pleco (Ancistrus cf. cirrhosus)
- Bronze Cory (Corydoras aeneus)
- Bronze Featherback (Notopterus notopterus)
- Brown Ghost Knifefish (Apteronotus leptorhynchus)
- Brunei Beauty (Betta macrostoma)
- Bubble Eye Goldfish (Carassius auratus var.)
- Buenos Aires Tetra (Hyphessobrycon anisitsi)
- Bumblebee Catfish (Microglanis iheringi)
- Bumblebee Goby (Brachygobius doriae)
- Burdigala Betta (Betta burdigala)
- Burmese Border Loach (Acanthocobitis botia)
- Burton's Mouthbrooder (Astatotilapia burtoni)
- Butterfly / Dragon Koi (Cyprinus rubrofuscus var.)
- Butterfly Goodeid (Xenotaenia resolanae)
C
- Cajun Dwarf Crayfish (Cambarellus shufeldtii)
- Campsii Rainbowfish (Chilatherina campsi)
- Candy Cane Tetra (Hyphessobrycon bentosi rosaceus)
- Candy Striped Pleco (Peckoltia vittata)
- Cape Lopez Lyretail (Aphyosemion australe)
- Cape Lopez Lyretail (Aphyosemion australe)
- Carbon Rili Shrimp (Neocaridina davidi var.)
- Cardinal Shrimp (Caridina dennerli)
- Cardinal Sulawesi Shrimp (Caridina dennerli)
- Cardinal Tetra (Paracheirodon axelrodi)
- Carnival / Polka Dot Freshwater Crab (Geosesarma sp.)
- Carp Gudgeon (Hypseleotris sp.)
- Celebes Halfbeak (Nomorhamphus celebensis)
- Celebes Rainbowfish (Marosatherina ladigesi)
- Celestial Eye Goldfish (Carassius auratus var.)
- Celestial Pearl Danio (Danio margaritatus)
- Chain Loach (Ambastaia sidthimunki)
- Checkerboard Cichlid (Dicrossus filamentosus)
- Checkered Barb (Oliotius oligolepis)
- Cherry Barb (Puntius titteya)
- Cherry Shrimp (Neocaridina davidi)
- Chili Rasbora (Boraras brigittae)
- Chinese Algae Eater (Gyrinocheilus aymonieri)
- Chinese Butterfly Loach (Pseudogastromyzon cheni)
- Chinese Hillstream Loach (Beaufortia kweichowensis)
- Chocolate Cichlid (Hypselecara temporalis)
- Chocolate Gourami (Sphaerichthys osphromenoides)
- Chocolate Shrimp (Caridina cf. spinata var.)
- Chocolate Tetra (Hyphessobrycon megalopterus)
- Clown Featherback (Chitala ornata)
- Clown Killi (Banded Panchax) (Epiplatys annulatus)
- Clown Killifish (Epiplatys annulatus)
- Clown Killifish (Epiplatys annulatus)
- Clown Knifefish (Chitala ornata)
- Clown Loach (Chromobotia macracanthus)
- Clown Pleco (Panaqolus maccus)
- Clown Rasbora (Rasbora kalochroma)
- Cockatoo Apisto (Apistogramma cacatuoides)
- Colombian Ramshorn (Marisa cornuarietis)
- Colombian Shark Catfish (Arius jordani)
- Colombian Tetra (Hyphessobrycon columbianus)
- Colombian Zebra Pleco (Hypancistrus debilittera L129)
- Comet Goldfish (Carassius auratus var.)
- Common Goldfish (Carassius auratus)
- Common Hatchetfish (Gasteropelecus sternicla)
- Common Pleco (Hypostomus plecostomus)
- Compressiceps / Calvus (Altolamprologus compressiceps)
- Compressiceps Cichlid (Altolamprologus compressiceps)
- Congo Puffer (Tetraodon miurus)
- Congo Tetra (Phenacogrammus interruptus)
- Convict Cichlid (Amatitlania nigrofasciata)
- Copadichromis Utaka (Copadichromis borleyi)
- Coral Red Pencilfish (Nannostomus mortenthaleri)
- Corona Rainbowfish (Melanotaenia corona)
- Corumba Apisto (Apistogramma commbrae)
- Croaking Gourami (Trichopsis vittata)
- Crocodile Fish (Luciocephalus pulcher)
- Crucian Carp (Carassius carassius)
- Crystal Red Shrimp (Caridina cantonensis)
- Cuckoo Catfish (Petricola) (Synodontis petricola)
D
- Dark Australian Rainbowfish (Melanotaenia nigrans)
- Dawn / Panda Tetra (Aphyocharax paraguayensis)
- Dawn Tetra (Aphyocharax paraguayensis)
- Delhezi Bichir (Polypterus delhezi)
- Delicate Blue-Eye (Pseudomugil tenellus)
- Demasoni Cichlid (Pseudotropheus demasoni)
- Denison Barb (Roseline) (Sahyadria denisonii)
- Desert Goby (Chlamydogobius eremius)
- Diamond Tetra (Moenkhausia pittieri)
- Diptail Pencilfish (Nannostomus marginatus)
- Discus (Symphysodon aequifasciatus)
- Dogtooth Cichlid (Cynotilapia afra)
- Dojo / Weather Loach (Misgurnus anguillicaudatus)
- Driftwood Catfish (Tatia perugiae)
- Dwarf Chain Loach (Ambastaia sidthimunki)
- Dwarf Cory (Habrosus) (Corydoras habrosus)
- Dwarf Crayfish (CPO) (Cambarellus patzcuarensis)
- Dwarf Emerald Rasbora (Danio erythromicron)
- Dwarf Emerald Rasbora (nanus) (Microdevario nanus)
- Dwarf Goby (Eviota) (Eviota sp.)
- Dwarf Gourami (Trichogaster lalius)
- Dwarf Pea Puffer (Carinotetraodon travancoricus)
- Dwarf Pencilfish (Nannostomus marginatus)
E
- Eastern Mosquitofish (Gambusia holbrookii)
- Eel Loach (Pangio myersi)
- Electric Blue Acara (Andinoacara pulcher)
- Electric Blue Crayfish (Procambarus alleni)
- Electric Blue Hap (Sciaenochromis fryeri)
- Electric Blue Rainbowfish (Melanotaenia praecox)
- Electric Eel (display only) (Electrophorus electricus)
- Electric Yellow Lab (Labidochromis caeruleus)
- Elegant Cory (Corydoras elegans)
- Elephantnose Fish (Gnathonemus petersii)
- Elizabeth's Apisto (Apistogramma elizabethae)
- Ember Tetra (Hyphessobrycon amandae)
- Emerald Betta (Betta smaragdina)
- Emerald Cory (Brochis) (Corydoras splendens)
- Emerald Dwarf Rasbora (Celestichthys erythromicron)
- Emerald Eye Rasbora (Brevibora dorsiocellata)
- Emperor Tetra (Nematobrycon palmeri)
- Empire Gudgeon (Hypseleotris compressa)
- Endler's Livebearer (Poecilia wingei)
- Exclamation Point Rasbora (Boraras urophthalmoides)
- Exquisite Rainbowfish (Melanotaenia exquisita)
F
- Fahaka Puffer (Tetraodon lineatus)
- Fairy Cichlid (Aulonocara jacobfreibergi)
- Fairy Cichlid (Freiberg's) (Aulonocara jacobfreibergi)
- False Julii Cory (Corydoras leucomelas)
- False Rummy Nose Tetra (Petitella georgiae)
- False Rummynose Tetra (Petitella georgiae)
- Fancy Guppy (Female trio) (Poecilia reticulata var.)
- Fang's Hillstream Loach (Pseudogastromyzon fangi)
- Fantail Goldfish (Carassius auratus var.)
- Featherfin Danio (Danio feegradei)
- Featherfin Synodontis (Synodontis eupterus)
- Festivum / Flag Cichlid (Mesonauta festivus)
- Fiddler Crab (Uca pugilator)
- Figure-8 Puffer (Dichotomyctere ocellatus)
- Filament Barb (Dawkinsia filamentosa)
- Fire Eel (Mastacembelus erythrotaenia)
- Fire Rasbora (Rasboroides vaterifloris)
- Firemouth Cichlid (Thorichthys meeki)
- Firemouth Epiplatys (Epiplatys dageti)
- Five-Banded Barb (Desmopuntius pentazona)
- Five-Bar Cichlid (Neolamprologus tretocephalus)
- Flag Acara (Laetacara curviceps)
- Flag Tetra (Hyphessobrycon heterorhabdus)
- Flag-tailed Apisto (Apistogramma iniridae)
- Flash Pleco (L204) (Pterygoplichthys gibbiceps)
- Florida Flagfish (Jordanella floridae)
- Florida Flagfish (Jordanella floridae)
- Flower Shrimp (Caridina cf. multidentata var.)
- Flowerhorn Cichlid (Hybrid (Vieja x Amphilophus))
- Flying Fox (Epalzeorhynchos kalopterus)
- Foersch's Betta (Betta foerschi)
- Forktail Blue-Eye (Pseudomugil furcatus)
- Freshwater Butterflyfish (Pantodon buchholzi)
- Frontosa Cichlid (Cyphotilapia frontosa)
G
- Galaxy Rasbora (Danio margaritatus)
- Garnet Tetra (Hemigrammus pulcher)
- German Blue Ram (Mikrogeophagus ramirezi)
- Ghost Glass Cat (Kryptopterus bicirrhis)
- Ghost Shrimp (Palaemonetes paludosus)
- Giant Danio (Devario aequipinnatus)
- Giant Gourami (Osphronemus goramy)
- Giant Rivulus (Anablepsoides hartii)
- Giant Sulawesi Snail (Tylomelania towutensis)
- Giraffe Cichlid (Nimbochromis venustus)
- Girardinus (Girardinus metallicus)
- Glass Bloodfin Tetra (Prionobrama filigera)
- Glass Catfish (Kryptopterus vitreolus)
- Glass Knifefish (Eigenmannia virescens)
- Glowlight Danio (Danio choprae)
- Glowlight Tetra (Hemigrammus erythrozonus)
- Goby Cichlid (Eretmodus cyanostictus)
- Gold Barb (Barbodes semifasciolatus)
- Gold Gourami (Trichopodus trichopterus var.)
- Gold Kuhli Loach (Pangio semicincta)
- Gold Mystery Snail (Pomacea bridgesii var.)
- Gold Ocellatus Shell-Dweller (Neolamprologus ocellatus)
- Gold Ring Danio (Danio tinwini)
- Gold Tetra (Hemigrammus rodwayi)
- Golden Barb (Schubert's) (Barbodes semifasciolatus var.)
- Golden Dwarf Barb (Pethia gelius)
- Golden Dwarf Cichlid (Nannacara anomala)
- Golden Pencilfish (Nannostomus beckfordi)
- Golden Weather Loach (Misgurnus anguillicaudatus var.)
- Golden White Cloud (Tanichthys albonubes var.)
- Golden Wonder Killifish (Aplocheilus lineatus var.)
- Goldie River Rainbowfish (Melanotaenia goldiei)
- Goyder River Rainbowfish (Melanotaenia trifasciata)
- Green Fire Tetra (Aphyocharax rathbuni)
- Green Jade Shrimp (Neocaridina davidi var.)
- Green Neon Tetra (Paracheirodon simulans)
- Green Terror Cichlid (Andinoacara rivulatus)
- Guppy (Poecilia reticulata)
H
- Hairy Puffer (Pao baileyi)
- Harlequin Rasbora (Trigonostigma heteromorpha)
- Harrison's Pencilfish (Nannostomus harrisoni)
- Head and Tail Light Tetra (Hemigrammus ocellifer)
- Hengel's Rasbora (Trigonostigma hengeli)
- Heterandria formosa (Mosquito Fish) (Heterandria formosa)
- Hillstream Loach (Sewellia lineolata)
- Honduran Red Point (Amatitlania siquia)
- Honey Blue-Eye (Pseudomugil mellis)
- Honey Gourami (Trichogaster chuna)
- Hongsloi Apisto (Apistogramma hongsloi)
- Horned Nerite Snail (Clithon corona)
- Horseface Loach (Acantopsis dialuzona)
I
- Inca Apistogramma (Apistogramma baenschi)
- Indian Glassfish (Parambassis ranga)
- Irian Jaya Blue-Eye (Pseudomugil ivantsoffi)
- Ivory Mystery Snail (Pomacea bridgesii var.)
J
- Jabuti Stingray (Potamotrygon jabuti)
- Jack Dempsey (Rocio octofasciata)
- Jaguar Cichlid (Parachromis managuensis)
- Japanese Assassin Snail variant (Clea helena)
- Japanese Trapdoor Snail (Viviparus malleattus)
- Jewel Rainbowfish (Bedotia madagascariensis)
- Johanni Cichlid (Melanochromis johannii)
- Julidochromis (Julidochromis marlieri)
- Julii Cory (Corydoras julii)
K
- Kadango Red Fin (Copadichromis borleyi)
- Kamaka Rainbowfish (Melanotaenia kamaka)
- Keyhole Cichlid (Cleithracara maronii)
- King Tiger Pleco (Hypancistrus sp. L066)
- Kissing Gourami (Helostoma temminckii)
- Kitty Tetra (Hyphessobrycon heliacus)
- Knife Livebearer (Alfaro cultratus)
- Knight Goby (Stigmatogobius sadanundio)
- Koi Angelfish (Pterophyllum scalare var.)
- Koi Carp (Cyprinus rubrofuscus var.)
- Kottelat's Rainbowfish (Xenotheristicus kottelati)
- Kribensis (Pelvicachromis pulcher)
- Kuhli Loach (Pangio kuhlii)
- Kungwe Shell-Dweller (Neolamprologus kungweensis)
L
- Lake Kutubu Rainbowfish (Melanotaenia lacustris)
- Lake Matano Crab (Syntripsa matannensis)
- Lake Tebera Rainbowfish (Melanotaenia herbertaxelrodi)
- Lake Wanam Rainbowfish (Glossolepis wanamensis)
- Lambchop Rasbora (Trigonostigma espei)
- Laprade's Bichir (Polypterus lapradei)
- Largeye Knifefish (Eigenmannia macrops)
- Least Killifish (Heterandria formosa)
- Least Rasbora (Boraras urophthalmoides)
- Lemon Cichlid (Neolamprologus leleupi)
- Lemon Tetra (Hyphessobrycon pulchripinnis)
- Leopard Danio (Danio rerio var.)
- Leopard Frog Pleco (Peckoltia compta L134)
- Licorice Gourami (Parosphromenus sp.)
- Limia (Limia nigrofasciata)
- Lionhead Goldfish (Carassius auratus var.)
- Lizard Hillstream Loach (Homaloptera orthogoniata)
- Long-Snout Halfbeak (Nomorhamphus liemi)
- Longfin Bristlenose Pleco (Ancistrus cf. cirrhosus var.)
M
- Macolor Apistogramma (Apistogramma macmasteri)
- Madagascan Rainbowfish (Bedotia geayi)
- Mahachai Betta (Betta mahachaiensis)
- Malabar Danio (Devario malabaricus)
- Malagasy Rainbowfish (Rheocles lateralis)
- Malaysian Trumpet Snail (Melanoides tuberculata)
- Mandor Betta (Betta mandor)
- Marbled Crayfish (Procambarus virginalis)
- Marbled Hatchetfish (Carnegiella strigata)
- Masked Julie (Julidochromis transcriptus)
- Mbu Giant Puffer (Tetraodon mbu)
- Mbuna Cichlid (mixed) (Pseudotropheus / Labidochromis spp.)
- McCulloch's Rainbowfish (Melanotaenia maccullochi)
- Meeli Shell-Dweller (Neolamprologus meeli)
- Melon Barb (Haludaria fasciata)
- Mendez's Apisto (Apistogramma mendezi)
- Merry Widow Livebearer (Phallichthys amates)
- Micropoecilia Picta (Micropoecilia picta)
- Midas Cichlid (Amphilophus citrinellus)
- Mischling / Taiwan Bee (Caridina cf. cantonensis)
- Mokelembembe Bichir (Polypterus mokelembembe)
- Molly (Poecilia sphenops)
- Moonlight Gourami (Trichopodus microlepis)
- Mosquito Rasbora (Boraras brigittae)
- Mosquitofish (Gambusia affinis)
- Motoro Stingray (Potamotrygon motoro)
- Motoro Stingray (Potamotrygon motoro)
- Mountain Rainbowfish (Melanotaenia monticola)
- Mudskipper (Periophthalmus barbarus)
- Mugilogobius Goby (Mugilogobius sp.)
- Murray River Rainbowfish (Melanotaenia fluviatilis)
- Mystery Snail (Pomacea bridgesii)
N
- Neon Blue Rasbora (Sundadanio axelrodi var.)
- Neon Blue Telmatherinid (Pseudomugil cyanodorsalis)
- Neon Blue Tetra (Paracheirodon simulans)
- Neon Dwarf Rainbowfish (Melanotaenia praecox)
- Neon Green Rasbora (Microdevario kubotai)
- Neon Stiphodon Goby (Stiphodon atropurpureus)
- Neon Tetra (Paracheirodon innesi)
- Nerite Snail (Neritina natalensis)
- Nicaraguan Cichlid (Hypsophrys nicaraguensis)
- Nile Bichir (Polypterus bichir)
- Noble Gourami (Ctenops nobilis)
- Norman's Lampeye Killifish (Aplocheilichthys normani)
- North New Guinea Rainbowfish (Melanotaenia affinis)
- Nothobranchius Killifish (Nothobranchius rachovii)
- Nyererei Cichlid (Pundamilia nyererei)
- Nyererei Haplochromis (Haplochromis nyererei)
- Nyererei Victorian Cichlid (Pundamilia nyererei)
O
- Ocellated Puffer (Leiodon cutcutia)
- Odessa Barb (Pethia padamya)
- Oktedi Rainbowfish (Melanotaenia oktediensis)
- Olive Nerite Snail (Neritina reclivata)
- One-Lined Pencilfish (Nannostomus unifasciatus)
- Oolong Shrimp (Caridina cantonensis var.)
- Opaline Gourami (Trichopodus trichopterus var.)
- Oranda Goldfish (Carassius auratus var.)
- Orange Eye Blue Tiger Shrimp (Caridina mariae var. OEBT)
- Orange Rili Shrimp (Neocaridina davidi var.)
- Ornate / Bentosi Tetra (Hyphessobrycon bentosi)
- Ornate Bichir (Polypterus ornatipinnis)
- Ornate Rainbowfish (Rhadinocentrus ornatus)
- Ornatipinnis Shell-Dweller (Lamprologus ornatipinnis)
- Oscar (Astronotus ocellatus)
- Otocinclus Catfish (Otocinclus vittatus)
P
- Pacific Blue-Eye (Pseudomugil signifer)
- Pagoda / Spiky Snail (Brotia pagodula)
- Painted Betta (Betta picta)
- Painted Fire Red Shrimp (Neocaridina davidi var. PFR)
- Panda Apisto (Apistogramma nijsseni)
- Panda Apistogramma (Apistogramma nijsseni)
- Panda Cory (Corydoras panda)
- Panda Dwarf Rainbowfish (Melanotaenia pygmaea)
- Panda Garra (Garra flavatra)
- Panda Loach (Yaoshania pachychilus)
- Panther Crab (Parathelphusa pantherina)
- Paracyprichromis (Paracyprichromis nigripinnis)
- Paradise Fish (Macropodus opercularis)
- Parkinsoni Rainbowfish (Melanotaenia parkinsoni)
- Parkinsoni Rainbowfish (Melanotaenia parkinsoni)
- Parrot Cichlid (True) (Hoplarchus psittacus)
- Paska's Blue-Eye (Pseudomugil paskai)
- Peaceful Betta (Betta imbellis)
- Peacock Bass (Cichla ocellaris)
- Peacock Cichlid (Aulonocara stuartgranti)
- Peacock Gudgeon (Tateurndina ocellicauda)
- Peacock Spiny Eel (Macrognathus siamensis)
- Pearl Cichlid (Geophagus brasiliensis)
- Pearl Cichlid (Geophagus brasiliensis)
- Pearl Danio (Danio albolineatus)
- Pearl Gourami (Trichopodus leerii)
- Pearlscale Goldfish (Carassius auratus var.)
- Pearly Lamprologus (Lamprologus caudopunctatus)
- Pearly Ocellatus Shell-Dweller (Neolamprologus meleagris)
- Pearly Shell-Dweller (Neolamprologus caudopunctatus)
- Pearly Victoria Cichlid (Paralabidochromis chromognathus)
- Penang Betta (Betta pugnax)
- Penguin Tetra (Thayeria boehlkei)
- Phoenix Rasbora (Boraras merah)
- Pictus Catfish (Pimelodus pictus)
- Pike Livebearer (Belonesox belizanus)
- Pike Top Minnow (Belonesox belizanus)
- Pima River Rainbowfish (Melanotaenia pimaensis)
- Pinto Shrimp (Caridina cantonensis var.)
- Pitbull Pleco (Parotocinclus jumbo)
- Platy (Xiphophorus maculatus)
- Polka Dot Stingray (Potamotrygon leopoldi)
- Pom Pom Crab (Ptychognathus barbatus)
- Pond Snail (Lymnaea stagnalis)
- Popondetta Blue-Eye (Popondichthys connieae)
- Pork Chop Rasbora (Trigonostigma heteromorpha)
- Porthole Livebearer (Poeciliopsis gracilis)
- Pretty Tetra (Hemigrammus pulcher pulcher)
- Princess of Burundi (Neolamprologus brichardi)
- Pristella Tetra (Pristella maxillaris)
- Protomelas Hap (Protomelas taeniolatus)
- Purple Pencilfish (Nannostomus rubrocaudatus)
- Purple Vampire Crab (Geosesarma dennerle)
- Pygmy Cory (Corydoras pygmaeus)
- Pygmy Hatchetfish (Carnegiella myersi)
- Pygmy Rasbora (Boraras maculatus)
R
- Rabbit Snail (Tylomelania sp.)
- Rachow's Notho (Nothobranchius rachovii)
- Rainbow Cichlid (Herotilapia multispinosa)
- Rainbow Tetra (Nematobrycon lacortei)
- Ramshorn Snail (Planorbarius corneus)
- Ranchu Goldfish (Carassius auratus var.)
- Red Claw Crab (Perisesarma bidens)
- Red Devil Vampire Crab (Geosesarma hagen)
- Red Empress (Protomelas taeniolatus)
- Red Irian Rainbowfish (Glossolepis incisus)
- Red Melon Badis (Dario hysginon)
- Red Minor Tetra (Hyphessobrycon sanguineus)
- Red Neon Blue-Eye (Pseudomugil luminatus)
- Red Nose Shrimp (Caridina gracilirostris)
- Red Pencilfish (Nannostomus mortenthaleri)
- Red Phantom Tetra (Hyphessobrycon sweglesi)
- Red Racer Nerite (Vittina waigiensis)
- Red Racer Nerite Snail (Vittina waigiensis)
- Red Rili Shrimp (Neocaridina davidi var.)
- Red Shadow Panda Shrimp (Caridina cf. cantonensis var.)
- Red Sumatran Betta (Betta rubra)
- Red Terror Cichlid (Cichlasoma festae)
- Red Zebra (Maylandia estherae)
- Red-Bellied Pacu (Piaractus brachypomus)
- Red-Hump Eartheater (Geophagus steindachneri)
- Red-Line Rasbora (Trigonopoma pauciperforatum)
- Red-Striped Rainbowfish (Melanotaenia rubrostriata)
- Red-Tailed Apisto (Apistogramma macmasteri)
- Red-Tailed Goodeid (Xenotoca eiseni)
- Red/Blue Colombian Tetra (Hyphessobrycon columbianus var.)
- Redeye Tetra (Moenkhausia sanctaefilomenae)
- Redtail Catfish (Phractocephalus hemioliopterus)
- Regan's Julie (Julidochromis regani)
- Reticulated Hillstream Loach (Sewellia lineolata var.)
- Rhinogobius giurinus (Rhinogobius giurinus)
- Rhinogobius Goby (Rhinogobius duospilus)
- Rhombo Barb (Desmopuntius rhomboocellatus)
- Ropefish (Erpetoichthys calabaricus)
- Ropefish (Reedfish) (Erpetoichthys calabaricus)
- Roseline Shark (Denison) (Sahyadria denisonii)
- Rosy Barb (Pethia conchonius)
- Rosy Tetra (Hyphessobrycon rosaceus)
- Royal Pleco (Panaque nigrolineatus)
- Rubber Pleco (Rubbernose) (Chaetostoma milesi)
- Ruby Tetra (Axelrodia riesei)
- Rudd (Scardinius erythrophthalmus)
- Rummynose Tetra (Hemigrammus rhodostomus)
- Rusty Cichlid (Iodotropheus sprengerae)
- Ryukin Goldfish (Carassius auratus var.)
S
- Saddled Bichir (Polypterus endlicherii)
- Saddled Cory (Corydoras nanus)
- Sailfin Molly (Poecilia latipinna)
- Sailfin Silverside (Telmatherina sarasinorum)
- Sakaramy Killifish (Pachypanchax sakaramyi)
- Salmon Red Rainbowfish (Glossolepis incisus)
- Salvini Cichlid (Cichlasoma salvini)
- Sardine Cichlid (Cyprichromis leptosoma)
- Satanoperca / Demon Eartheater (Satanoperca leucosticta)
- Scarlet Badis (Dario dario)
- Schwartz's Cory (Corydoras schwartzi)
- Scissortail Rasbora (Rasbora trilineata)
- Senegal Bichir (Polypterus senegalus)
- Senegal Bichir (Dinosaur Eel) (Polypterus senegalus)
- Sentani Rainbowfish (Chilatherina sentaniensis)
- Sepik Rainbowfish (Glossolepis multisquamatus)
- Serpae Tetra (Hyphessobrycon eques)
- Severum (Hero Cichlid) (Heros efasciatus)
- Shadow Panda Shrimp (Caridina cf. cantonensis var.)
- Shell-Dweller Multifasciatus (Neolamprologus multifasciatus)
- Shubunkin Goldfish (Carassius auratus var.)
- Siamese Algae Eater (Crossocheilus siamensis)
- Siamese Algae Eater (Crossocheilus oblongus)
- Siamese Tigerfish (Datnioides microlepis)
- Sicyopus Goby (Sicyopus zosterophorum)
- Signatus Shell-Dweller (Lamprologus signatus)
- Silver Arowana (Osteoglossum bicirrhosum)
- Silver Dollar (Metynnis argenteus)
- Silver Halfbeak (Dermogenys pusilla)
- Silver Hatchetfish (Gasteropelecus levis)
- Silvertip Tetra (Hasemania nana)
- Similis Shell-Dweller (Neolamprologus similis)
- Simple Betta (Betta simplex)
- Six-Banded Rainbowfish (Melanotaenia sexlineata)
- Skunk Cory (Corydoras arcuatus)
- Skunk Loach (Yasuhikotakia morleti)
- Sleeper Goby (Dormitator maculatus)
- Slender Rasbora (Trigonopoma gracile)
- Slender Rasbora (Rasbora daniconius)
- Smudge Spot Cory (Corydoras similis)
- Snakehead Betta (Betta channoides)
- Snakeskin Barb (Desmopuntius rhomboocellatus)
- Snowball Shrimp (Neocaridina cf. zhangjiajiensis)
- Socolofi Tetra (Hyphessobrycon socolofi)
- South American Bumblebee Catfish (Pseudopimelodus raninus)
- South American Puffer (Colomesus asellus)
- South American Puffer (Colomesus asellus)
- Sparkling Gourami (Trichopsis pumila)
- Speciosus Shell-Dweller (Neolamprologus speciosus)
- Speckled Peacock Bass (Cichla temensis)
- Spike-Topped Apple Snail (Asolene spixi)
- Spiky Nerite (Clithon diadema)
- Splash Tetra (Copella arnoldi)
- Splendid Rainbowfish (Melanotaenia splendida)
- Spotted Blue-Eye (Pseudomugil gertrudae)
- Spotted Blue-Eye Rainbowfish (Pseudomugil reticulatus)
- Spotted Danio (Danio nigrofasciatus)
- Spotted Eartheater (Satanoperca leucosticta)
- Spotted Hillstream Loach (Gastromyzon punctulatus)
- Spotted Raphael Catfish (Agamyxis pectinifrons)
- Spotted Tail Cory (Corydoras gossei)
- Steel-Blue Killifish (Fundulopanchax gardneri)
- Steel-Blue Killifish (Fundulopanchax gardneri)
- Steindachner's Apisto (Apistogramma steindachneri)
- Sterbai Cory (Corydoras sterbai)
- Sterbai Cory (Corydoras sterbai)
- Strawberry Rasbora (Boraras naevus)
- Striped Betta (Betta bellica)
- Striped Dwarf Catfish (Mystus vittatus)
- Striped Panchax (Aplocheilus lineatus)
- Striped Raphael Catfish (Platydoras armatulus)
- Striped Sulawesi Rainbowfish (Paratherina striata)
- Stuartgranti Peacock (Aulonocara stuartgranti)
- Sulawesi Snail (Tylomelania zemis)
- Sumo Loach (Schistura balteata)
- Sunset Apisto (Apistogramma atahualpa)
- Sunshine Peacock (Aulonocara baenschi)
- Super Crystal Red Shrimp (Caridina cantonensis var. SSS)
- Surinam Eartheater (Geophagus surinamensis)
- Swordtail (Xiphophorus hellerii)
T
- T-Barb / Spanner Barb (Barbodes lateristriga)
- Tail Spot Pygmy Cory (Corydoras hastatus)
- Tanganyikan Clown Cichlid (Eretmodus cyanostictus)
- Tanganyikan Sardine (Cyprichromis leptosoma)
- Tangerine Tiger Shrimp (Caridina serrata var.)
- Telescope Eye Goldfish (Carassius auratus var.)
- Temporalis Telmatochromis (Telmatochromis temporalis)
- Tench (Tinca tinca)
- Teugels' Bichir (Polypterus teugelsi)
- Texas Cichlid (Herichthys cyanoguttatus)
- Thai Devil Crab (Lepidothelphusa cognetti)
- Thai Freshwater Crab (Siamthelphusa sp.)
- Thai Micro Crab (Limnopilos naiyanetri)
- Thai Micro Pom Pom Crab (Camponotus sp.)
- Thick-lipped Eartheater (Geophagus crassilabris)
- Thick-lipped Gourami (Trichogaster labiosa)
- Thick-lipped Victorian (Haplochromis chilotes)
- Threadfin Acara (Acarichthys heckelii)
- Threadfin Eartheater (Acarichthys heckelii)
- Threadfin Rainbowfish (Iriatherina werneri)
- Threadfin Rainbowfish (Iriatherina werneri)
- Threadfin Rainbowfish (full entry) (Iriatherina werneri)
- Three Spot / Blue Gourami (Trichopodus trichopterus)
- Three-Banded Rainbowfish (Melanotaenia trifasciata)
- Three-Line Rasbora (Rasbora trilineata)
- Three-Lined Pencilfish (Nannostomus trifasciatus)
- Three-Striped Apisto (Apistogramma trifasciata)
- Threestripe Cory (Corydoras trilineatus)
- Ticto Barb (Pethia ticto)
- Tiger Barb (Puntigrus tetrazona)
- Tiger Hillstream Loach (Sewellia lineolata)
- Tiger Loach (Syncrossus hymenophysa)
- Tiger Shovelnose Catfish (Pseudoplatystoma fasciatum)
- Tiger Shrimp (Caridina mariae)
- Tinfoil Barb (Barbonymus schwanenfeldii)
- Tire Track Eel (Mastacembelus armatus)
- Tracked Nerite Snail (Neritina sp.)
- Trewavas's Cichlid (Labeotropheus trewavasae)
- Tropheus (Tropheus duboisi)
- Tropheus Kasabae (Tropheus kasabae)
- Turquoise Rainbowfish (Melanotaenia lacustris)
- Twig Catfish (Farlowella) (Farlowella acus)
- Two-banded Apisto (Apistogramma bitaeniata)
- Two-Saddled Cory (Corydoras weitzmani)
- Two-Striped Killifish (Aphyosemion bitaeniatum)
- Typhoon Pleco (Pseudacanthicus sp. L397)
U
- Uaru (Uaru amphiacanthoides)
- Umbrella Apisto (Apistogramma borellii)
- Upside Down Catfish (Synodontis nigriventris)
- Upside-Down Catfish (Synodontis nigriventris)
V
- Vampire Crab (Geosesarma dennerle)
- Vampire Shrimp (Atya gabonensis)
- van Heurn's Rainbowfish (Melanotaenia vanheurni)
- Variable Platyfish (Xiphophorus variatus var.)
- Variatus Platy (Xiphophorus variatus)
- Venezuelan Cory (Corydoras venezuelanus)
- Venezuelan Eartheater (Geophagus taeniopareius)
- Viejita Apisto (Apistogramma viejita)
- Vietnamese Hillstream Loach (Vanmanenia striata)
- Violet Goby (Dragon Goby) (Gobioides broussonnetii)
- Von Rio / Flame Tetra (Hyphessobrycon flammeus)
W
- Waterfall Climbing Goby (Sicyopterus lagocephalus)
- Weeks' Bichir (Polypterus weeksii)
- West African Bichir (Polypterus retropinnis)
- Western Rainbowfish (Melanotaenia australis)
- Whiptail Catfish (Rineloricaria lanceolata)
- White Cloud Mountain Minnow (Tanichthys albonubes)
- White Cloud Mountain Minnow (Tanichthys albonubes)
- White Glove Shrimp (Caridina spinata)
- White Labidochromis (Labidochromis chisumulae)
- Whiteseam Fighter (Betta albimarginata)
- Wild Betta Splendens (Betta splendens (wild))
- Wild-Type Betta (Betta splendens (wild))
- Wine Red Shrimp (Caridina cantonensis var.)
- Wolf Cichlid (Parachromis dovii)
- Wolf Fish (Hoplias malabaricus)
- Wrestling Halfbeak (Dermogenys pusilla)
X
- X-Ray Tetra (Pristella) (Pristella maxillaris)
- Xenoophorus captivus (Xenoophorus captivus)
- Xenotilapia Sand Cichlid (Xenotilapia papilio)
- Xystichromis phytophagus (Xystichromis phytophagus)
Y
- Yellow King Kong Shrimp (Caridina cantonensis var.)
- Yellow Neocaridina Shrimp (Neocaridina davidi var.)
- Yellow-Belly Victorian (Mbipia lutea)
- Yellow-Fin Xenotilapia (Xenotilapia flavipinnis)
- Yellow-Tail Acei (Pseudotropheus sp. acei)
- Yo-Yo Loach (Botia almorhae)
- Yoyo Loach (Botia almorhae)
- Yucatan Molly (Poecilia velifera)
Z
- Zebra Danio (Danio rerio)
- Zebra Loach (Botia striata)
- Zebra Nerite Snail (Neritina natalensis var.)
- Zebra Obliquidens (Astatotilapia latifasciata)
- Zebra Otocinclus (Otocinclus cocama)
- Zebra Pleco (Hypancistrus zebra)
- Zebra Pleco (Hypancistrus zebra L046)
- Zigzag Eel (Mastacembelus pancalus)
- Zoogoneticus Goodeid (Zoogoneticus tequila)