Caudal mucous pit on some species included: 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
Medjed (fish) figurine from Oxyrhynchus of one of the sacred Medjed fish has many attributes typical of mormyrids: a long anal fin, a small caudal fin, widely spaced pelvic and pectoral fins, and the downturned snout. Medjed (fish) Medjed was a species of elephantfish worshipped at Oxyrhynchus in ancient Egyptian religion. These fish were believed to have eaten the penis of the god Osiris after his brother Set had dismembered and scattered the god's body. A settlement in Upper Egypt, Per-Medjed, was named after the fish and is now better known under its Greek name "Oxyrhynchus". The elephantfish (family Mormyridae) are medium-sized