Brittle star
Green brittle star
Ophiarachna incrassata

- Group
- Brittle star
- Care level
- Intermediate
- With corals
- Reef safe with caution
What does the green brittle star do in a reef tank?
Scavenger that also ambushes small fish and shrimp typical, check
With corals: Corals yes; small fish no
How many should you keep?
One US gallon is 3.785 litres and one UK gallon is 4.546 litres, so a "per gallon" rule depends on whose gallon it means.
What can go wrong?
Known fish predator; some keepers say well-fed ones hunt less typical, check
Which tankmates are risky?
Fish
Fish that may eat or harass it.
Take care (4)
- Neon gobyThe green brittle star can catch small fish like the neon goby.
- Yellow clown gobyThe green brittle star can catch small fish like the yellow clown goby.
- Hi-fin red banded gobyThe green brittle star can catch small fish like the hi-fin red banded goby.
- Yellow assessorThe green brittle star can catch small fish like the yellow assessor.
Other invertebrates
Invertebrates it may harm, or that may harm it.
None known.
These checks follow the reasons fish and invertebrates clash: same species or genus, similar shape, mouth size, temperament, food, burrows, tank size and the order they are added. Individual animals differ; every source agrees on that.
Sources
Last checked . How we check
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