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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, 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]
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 .
Other causes can include acid reflux, asthma, allergies, or other chronic medical conditions, adds Richard Watkins, M.D., an infectious disease physician and professor of medicine at the Northeast ...
Mucous cells of the stomach lining secrete mucus (pink) into the lumen. Mucus (/ ˈ m j uː k ə s /, MEW-kəs) is a slippery aqueous secretion produced by, and covering, mucous membranes. It is typically produced from cells found in mucous glands, although it may also originate from mixed glands, which contain both serous and mucous cells.
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)
Southern hagfish (Myxine australis) mid-19th century drawing by Günther. Myxine / m ɪ k ˈ s aɪ n iː / is a genus of hagfish, from the Greek μυξῖνος (myxinos, "slimy").It is the type genus of the class Myxini.