Unknown sumo champion-class fish species found off Shizuoka

Unknown sumo champion-class fish species found off Shizuoka

By MASAHIRO YONEYAMA

Source: asahi

1/26/2021

Researchers have discovered a deep-sea fish species that's so huge in waters off Shizuoka Prefecture that they named it after the highest rank for sumo wrestlers, the yokozuna.

A team of researchers from the Japan Agency for Marine-Earth Science and Technology (JAMSTEC) and other institutions found four unknown fish at a depth of more than 2,000 meters in Suruga Bay off the prefecture.

The fish were extremely huge with one measuring 1.4 meters long and weighing 25 kilograms, making them the biggest among more than 90 species of slickheads, also known as “sekitori iwashi” (sekitori sardines). "Sekitori" refers to sumo wrestlers in the sport's top two divisions.

The new species was given the Japanese name of “yokozuna iwashi” since it is considered at the top of the bay's deep-sea ecosystem.

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