Caudal mucous pit Caudal mucous pit The caudal mucous pit, or caudal mucous horn, is an anatomical structure on the tail end of the foot of various land snails and slugs, terrestrial pulmonate gastropod mollusks. The function of this pit is the resorption of mucus when the gastropod is moving (see also Muratov 1999). An incorrect and yet often-used term for this structure is the "caudal gland". This area also used to be referred to by the term "caudal pore". Families of snails and slug where a caudal mucous pit exists in every species included: Families/subfamilies where is caudal mucous pit exists only
Selene setapinnis Selene setapinnis The Atlantic moonfish ("Selene setapinnis") is a West Atlantic fish belonging to the family Carangidae. The Atlantic moonfish is a slender, deep bodied fish that is extremely compressed. It has a dorsal fin with 8 spines, and an anal fin with 2 spines. They also have 21 dorsal soft rays and 17 anal soft rays. The upper jaw is short and lower jaw is protruding, extending longer than the upper jaw. They have a sloped, bent forehead and rather large eyes. They have a forked caudal fin that is attached to a large and hard caudal peduncle. The