Can Marbled Crayfish live with Zebra Otocinclus?

Not recommended

Why

Side-by-side

Marbled CrayfishZebra Otocinclus
Temperature64–77°F72–79°F
pH6.5–86–7.5
Hardness (GH)5–20 dGH2–10 dGH
Adult size5"1.5"
TemperamentAggressivePeaceful
Min tank30 gal10 gal

Together, plan on at least 30 gallons.

Compatible alternatives

Instead of Marbled Crayfish (to keep Zebra Otocinclus):

Instead of Zebra Otocinclus (to keep Marbled Crayfish):

Where to buy

Live-animal shipping: add a heat pack below 50°F, expect weather holds above 90°F, and schedule delivery for a moderate week when someone can receive it promptly.

Design the whole tank, not just the stocking

Skapelab plans a complete, buildable planted aquarium around your fish — a hand-illustrated layout, the exact plants and hardscape, a placement map, and a full equipment and shopping list. Free.

Design a tank with Marbled Crayfish, Zebra Otocinclus →

Everything compatible with Marbled Crayfish · …with Zebra Otocinclus

Related pairings

Marbled Crayfish + Neon TetraMarbled Crayfish + Cherry ShrimpMarbled Crayfish + AngelfishMarbled Crayfish + Nerite SnailMarbled Crayfish + Amano ShrimpMarbled Crayfish + Harlequin Rasbora