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Reconstruction of West Indian Ocean coelacanth Preserved Latimeria menadoensis, Tokyo Sea Life Park, Japan. Latimeria chalumnae and L. menadoensis are the only two known living coelacanth species. [8] [27] Coelacanths are large, plump, lobe-finned fish that can grow to more than 2 m (6.6 ft) and weigh around 90 kg (200 lb). [28]
The Black kokanee or Kunimasu, once thought to be extinct, is now classed as extinct in the wild. This list of freshwater fish recorded in Japan is primarily based on the IUCN Red List, which, for fish found in inland waters, details the conservation status of some two hundred and sixty-one species, seventy-three of them endemic. [1]
The Kunimasu species was originally endemic to a single location, Lake Tazawa in Akita Prefecture, Japan. [2] In 1935, eyed eggs (a fertilized stage of eggs) of this fish species were introduced into several other lakes in Japan, including Lake Saiko, Yamanashi Prefecture, in an attempt at translocation that was thought to have been unsuccessful. [2]
As of September 2016, the International Union for Conservation of Nature (IUCN) lists 65 extinct fish species, 87 possibly extinct fish species, and six extinct in the wild fish species. [ 1 ] [ 2 ] Cartilaginous fish
The dugong (dugong dugon) VU VU at a global level on the IUCN Red List, CR on the Japanese Red List; [2] those found in the waters around northern Okinawa Island comprise the northernmost population globally [9] and are protected as a Natural Monument under the 1950 Law for the Protection of Cultural Properties [10]
Many places along the Japanese coastline are named after sea lions or seals, such as Ashika-iwa (海驢岩 or 海鹿岩, sea lion rock) , Ashika-jima (海獺島 or 海鹿島, sea lion island), and Cape Inubō (犬吠埼, dog-barking point). Bones of Z. japonicus dating to 3500–2000 BC were found in the Shell Mound in Dongsam-dong, Busan. [11]
Fourteen years later, one specimen was found in the Comoros, but the fish was no stranger to the locals; in the port of Domoni on the Comoran island of Anjouan, the Comorians were puzzled to be so rewarded for a "gombessa" or "mame", their names for the nearly inedible fish that their fishermen occasionally caught by mistake.
Historically, this anadromous fish was found in China, Japan, and the Korean Peninsula, but it has been extirpated from Korea, Japan, and most regions in China due to habitat loss and overfishing. [1] It is strictly protected by the Chinese government, named a "national treasure" much like its mammalian counterpart, the giant panda.