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The Pacific hagfish also was discovered off the coast of Costa Rica in 2015, which extends the southern part of their range by roughly 3500 kilometers than was previously thought. It is unclear whether this was a recent species expansion, or if this section of the population has not been sampled.
Two Pacific hagfish feeding on a dead sharpchin rockfish, Sebastes zacentrus, while one remains in a curled position at the left of the photo While polychaete marine worms on or near the sea floor are a major food source, hagfish can feed upon and often even enter and eviscerate the bodies of dead and dying/injured sea creatures much larger ...
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)
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.
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.
The inshore hagfish (Eptatretus burgeri) is a hagfish found in the Northwest Pacific, from the Sea of Japan and across eastern Japan to Taiwan. It has six pairs of gill pouches and gill apertures. [4] These hagfish are found in the sublittoral zone. They live usually buried in the bottom mud and migrate into deeper water to spawn.
A female northern elephant seal was documented in 2013 by a deep sea camera at a depth of 894 m (2,933 ft), where she consumed a Pacific hagfish, slurping it up from the ocean floor. The event was reported by a Ukrainian boy named Kirill Dudko, who further reported the find to scientists in Canada. [28]
Eptatretus polytrema, the fourteen-gill hagfish or Chilean hagfish, is a demersal and non-migratory hagfish of the genus Eptatretus.It is found in muddy and rocky bottoms of the southeastern area of the Pacific Ocean near the coast of Chile between Coquimbo and Puerto Montt, at depths between 10 and 350 m.