Caphyra rotundifrons is a species of crab in the genus Caphyra. It is notable for being strictly herbivorous, with a diet adapted to the algae Chlorodesmis fastigiata.
Description It is lime green in colour, similar to that of the algae it selectively shelters in and feeds on.
Ecology Caphyra rotundifrons has a diet specialized to the macroalgae Chlorodesmis fastigiata. Its use of this algae as a food source and habitat leads it to experience reduced predation, since the algae is toxic and shunned by both herbivorous and carnivorous fish.
Taxonomy The genus Caphyra is currently placed in the subfamily Thalamitinae of the family Portunidae.
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