Thai Devil Crab
Lepidothelphusa cognetti
Striking red and purple crab from ancient Sulawesi lakes. Requires warm hard alkaline water like other Sulawesi species. Will eat shrimp and snails. Fascinating but aggressive toward tankmates.
More than a design — your whole aquarium, handled
Skapelab plans the scape and everything you need to build and run it.
A design for your tankA hand-illustrated layout, sized to your exact tank and skill level.
Stocking picked for youCompatible fish & invertebrates, chosen and quantified for the tank.
Exact shopping listEvery plant, stone and piece of gear — with how much of each to buy.
Step-by-step setupSubstrate, cycling, planting and stocking, in the right order.
Care & remindersA maintenance schedule with reminders when each task comes due.
Water-test logbookLog your parameters and track the tank on your own dashboard.
Care at a glance
other_invertType
2"Adult size
20 galMinimum tank
2+Group size
semi-aggressiveTemperament
75-84°FTemperature
7.5-8.5pH
8-18GH
omnivore — detritus, algae, small preyDiet
bottomSwimming zone
moderateCare level
YesPlant-safe
Build a tank for Thai Devil Crab
Design a complete aquascape around Thai Devil Crab — Skapelab picks compatible tankmates, plants, hardscape and gear, sized to your tank. Free.
Open the design studio →