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Black hagfish : ウィキペディア英語版
Black hagfish

''Eptatretus deani'', known as 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.〔(【引用サイトリンク】title=Slimy, disgusting and useful )〕 Although hagfish are sometimes called "slime eels", they are not eels at all.〔(Sea and Sky: Atlantic Hagfish )〕
==Description==
This eel-like species is uniform black, or dark brown. It can also appear prune-colored, and often piebald with light spots. The edges of the ventral finfolds and caudal may have a light colour.〔http://fishbase.org/Summary/SpeciesSummary.php?id=2511〕 Unlike the Pacific hagfish, the black hagfish does not have a white ring around their gill pores.〔 It has no true fins, but instead, one dorsal finfold, far back on its body. It has a moderately broad and round caudal, with ray-like markings. The ventral finfold is very low. The black hagfish is scaleless, and ranges from 30 - , with an average maximum overall length of .
This species has four hearts, and 10 to 14 pairs of gill pores, It has rudimentary eyes. Although they have poor vision, they have a highly developed sense of smell and touch. The head of this species has one, large nostril, and eight barbels that surround the mouth and nostril. They have two parallel rows of horny teeth.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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