It spawns in the winter, probably in deep water. Wrymouths have been seen hunting live shrimp, small crabs and hermit crabs in captivity and this is likely a continuation of their natural behavior and diet in the wild.
It reproduces during winter, likely in deep waters. Wrymouths have been observed catching live shrimp, small crabs, and hermit crabs in captivity, which is probably a continuation of their natural hunting habits and diet in the wild.