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
Cusk (fish) the Endangered Species Act(ESA). On March 9, 2007 the National Marine Fisheries Service announced the initiation of a status review to determine whether the species warrants listing under the ESA. Cusk (fish) The cusk or tusk ("Brosme brosme") is a North Atlantic cod-like fish in the ling family Lotidae. It is the only species in the genus Brosme. Other common names include brismak, brosmius, torsk and moonfish. It is easily distinguished at a glance from other cod-like fish as it has only one dorsal fin. Also characteristic is the nature of the dorsal, caudal, and anal fins, they are continuous