The only fishes to possess one are those classified as elasmobranchs.
The only fishes to possess one are those classified as elasmobranchs. In most embryonic cases it possesses its own membrane that separates the endoderm from the surface ectoderm, and develops out of the caudal end of the hindgut. Birds mate via the means of its namesake "kiss," and this term can also be used to designate certain chambers in Nematodes, but is traditionally a reference to the enlarged posterior end of the digestive tract. FTP, name this waste chamber present in amphibians, reptiles, birds, and lower mammals.
The only fishes to possess one are those classified as elasmobranchs.
{cloaca}