Dictionary of Ichthyology  

crypsis = hidden, concealed, camouflaged. Often used in terms of colour or fringes and flaps used by fishes to conceal themselves from predators.

Lophius naresi (= Lophiodes naresi) from Gnther's "Report on Shore Fishes". Photograph by Brian W. Coad.

Canadian Museum of Nature
www.briancoad.com