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Hagfish, of the class Myxini / m ɪ k ˈ s aɪ n aɪ / (also known as Hyperotreti) and order Myxiniformes / m ɪ k ˈ s ɪ n ɪ f ɔːr m iː z /, are eel-shaped jawless fish (occasionally called slime eels). Hagfish are the only known living animals that have a skull but no vertebral column, although they do have rudimentary vertebrae. [3]
The Atlantic hagfish may grow up to .75 metres (2 + 1 ⁄ 2 ft) long, with no eyes and no jaws; its star-shaped mouth is surrounded by 6 mouth barbels. [3] Their eyes also lack a lens and pigment (features found in the eyes of all other living vertebrates. [4] There is a single gill slit on each side of the eel-like body. [3]
Hagfish ; The hagfish, which are not taxonomically true fish, are among the most primitive extant vertebrates. There is only one order and family in this animal class. All of the 77 known species have elongated, eel-like bodies but can be distinguished by their downward-facing mouths. The largest form is the Goliath hagfish (Eptatretus goliath ...
The discovery and classification of this species has helped further the understanding of hagfish biology as a whole. Previously, hagfish were thought to be bottom dwellers, burrowing into the substrate for protection. However, the finding of these hagfish in reefs offers new evidence that hagfish are able to find protection in other environments.
Eptatretus springeri, the Gulf hagfish, [3] is a bathy demersal vertebrate which lives primarily in the northeastern Gulf of Mexico. [4] It has been observed feeding at and around brine pools : areas of high salinity which resemble lakes on the ocean floor that do not mix with the surrounding water due to difference in density .
Eptatretus deani, the black hagfish, is a species of hagfish. Common to other species of hagfish, their unusual feeding habits and slime -producing capabilities have led members of the scientific and popular media to dub the hagfish as the most "disgusting" of all sea creatures.
Topographic map of Texas. This is a list of mammals of Texas. Mammals native to or immediately off the coast of the U.S. state of Texas are listed first. Introduced mammals, whether intentional or unintentional, are listed separately. The varying geography of Texas, the second largest state, provides a large variety of habitats for mammals.
Eptatretus hexatrema, the sixgill hagfish, or snotslang is a species of marine fish in the hagfish family ... Depth range 10 – 400 m, usually found between 10 and ...