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A related species, the Gulf hagfish (Eptatretus springeri), occurs in the Gulf of Mexico. [7]To distinguish these two types of hagfishes, we can look at their lateral line and eyes, the Myxine glutinosa has no lateral line system and also an unpigmented, cornea-like window in the skin overlying the eye.
Hagfish can exude copious quantities of a milky and fibrous slime or mucus, from specialized slime glands. [5] When released in seawater, the slime expands to 10,000 times its original size in 0.4 seconds. [ 12 ]
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.
1920s illustration of the body and mouth by Louis Thomas Griffin. The broadgilled hagfish or New Zealand hagfish (Eptatretus cirrhatus), also known by its Māori language name tuere, is a hagfish found around New Zealand and the Chatham Islands as well as around the south and east coasts of Australia, at depths between 1 and 900 metres.
Eptatretus polytrema Girard, 1855 (Fourteen-gill hagfish) Eptatretus profundus Barnard, 1923 (Fivegill hagfish) Eptatretus sheni C. H. Kuo, K. F. Huang & H. K. Mok, 1994; Eptatretus sinus Wisner & C. B. McMillan, 1990 (Cortez hagfish) Eptatretus springeri Bigelow & Schroeder, 1952 (Gulf hagfish) Eptatretus stoutii Lockington, 1878 (Pacific hagfish)
A closeup of the skin on an Eldon's galaxias. The slime coat (also fish slime, mucus layer or slime layer) is the coating of mucus covering the body of all fish.An important part of fish anatomy, it serves many functions, depending on species, ranging from locomotion, care and feeding of offspring, to resistance against diseases and parasites.
Outline of a hagfish, showing above the two ventral openings (h) by which the water escapes from the gills, and in the dissection below the spherical pouches which contain the gills. Lampreys and hagfish do not have gill slits as such. Instead, the gills are contained in spherical pouches, with a circular opening to the outside.