Narcetes shonan found off the coast of Shizuoka Prefecture (provided by JAMSTEC)

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Narcetes shonan found off the coast of Shizuoka Prefecture (provided by JAMSTEC)

The Japan Agency for Marine-Earth Science and Technology (JAMSTEC) announced on the 25th that a particularly huge “Yokozuna-class” fish was found off the coast of Shizuoka Prefecture among the “Sekitori eagle” that inhabits the deep sea, and as a result of analysis, it was found to be a new species. The new species was named “Narcetes shonan”.

In February and November 2016, a total of four Narcetes shonan were found in a survey conducted in Suruga Bay off the coast of Shizuoka Prefecture at a depth of 2171 meters or deeper. It was much larger than the Alepocephalidae with a total length of about 35 cm, with a maximum length of 140 cm and a weight of 25 kg.

In addition to appearance features such as scallops, head, and eyes, genes were examined and it was found to be a new species. Traces of eating fish have been found in the stomach, and the ecology is being investigated.