head gland

A special adhesive organ found on the head of larvae in some fish species (e.g. in Pterophyllum) which allows them to remain attached in the spawning cave/substrate.

文獻

Coad, Brian & D.E. McAllister. 2007. "Dictionary of Ichtyology". Brian W. Coad. Retrieved on June 21, 2014, from:http://www.briancoad.com/Dictionary/Complete%20Dictionary.htm - (ffm06223)