Welcome to FIS   Sponsored By
Subscribe to FIS | Register with FIS | Advertise with FIS | Newsletter | About FIS | Contact us

Sample of Kunimasu, found alive in Lake Saiko. (Photo: pref.yamanashi.jp)

Yamanashi government to farm recently discovered endangered salmon

Click on the flag for more information about Japan JAPAN
Wednesday, January 11, 2012, 23:50 (GMT + 9)

Seventy years after the extinction in 1940 of an endangered deepwater salmon, the Yamanashi prefectural government plans to farm the "Kunimasu" species in its original habitat at Lake Tazawa.

Lake Tazawa is a caldera lake located in Semboku, Akita Prefecture, northern Japan. It is the deepest lake in Japan, with the maximum depth being 423 metres.

Culturists at the Yamanashi Prefectural Fisheries Technology Centre will gillnet the salmon in the 2.1 square-kilometre lake, collecting sperm from males and eggs from females for fertilization at a hatchery from February and March during the peak mating season, said Kiyoshi Mitsui, director of the center in an interview with Kyodo News.

The Kunimasu species was last seen in Lake Tazawa in 1940, after acidic water from a close by river was introduced into the lake as a result of a hydroelectric power generation project, killing the fish in the lake.

The species was described as a new species in the genus of Pacific salmon in 1925 and landlocked derivative of the sockeye, or red salmon.

This almost black fish, lives at a considerable depth and has a smaller number of pyloric caeca, finger-shaped pouches used by fish to digest food, than other landlocked variants of red salmon.

In 1935, a project, undertaken by the Lake Saiko Fisheries Cooperative, released a total of 100,000 eyed Kunimasu eggs transported from Lake Tazawa with the intention to increase protein food sources for villagers near the lake, who were undernourished due to poor crops in the area.

It was found recently that the released eggs hatched and that Kunimasu propagated in the lake.

It is thought that one of the key reasons why the Kunimasu survived in the new habitat is that oxygen-rich underground water from the nearby Misaka Mountains springs up from the bottom of Lake Saiko.

Lake Saiko is located in Yamanashi Prefecture and is connected to nearby lakes by underground waterways.

Former chief of the cooperative, Yasuaki Miura, says the current population of Kunimasu in the lake is about 10,000 to 30,000 fish, down from a projected 100,000 during the peak time.

The centre's technology will allow about 80-90 per cent of fertilized eggs to develop eyes, and about the same percentages of those eggs to hatch to become alevin, Kiyoshi Mitsui said.

The director of the centre added that if 300 eggs are collected, they would be able to obtain some 150 to 200 fry.

[email protected]


Click to know how to advertise in FIS
United States
Mar 23, 23:50 (GMT + 9):
Washignton aquaculture sector questions 'anti-aquaculture law'
United States
Mar 23, 23:00 (GMT + 9):
Washington passes Atlantic salmon farm ban law
United Kingdom
Mar 22, 23:00 (GMT + 9):
IFFO RS launches tool to help achieve certification
Mar 22, 22:30 (GMT + 9):
Aqualande acquires Spanish trout producer
Mar 22, 21:30 (GMT + 9):
Salmon price status at week 11
Mar 22, 01:00 (GMT + 9):
Marine Harvest improves operational results in 2017 despite lower salmon harvest
Mar 22, 00:20 (GMT + 9):
Galicia to invest 40pct more to improve marine-fishing product trade
Mar 21, 23:50 (GMT + 9):
Huon continues legal battle at court over salmon farming
Mar 21, 23:30 (GMT + 9):
Historic Japanese oyster stocking in Tongoy
Viet Nam
Mar 21, 22:40 (GMT + 9):
Vietnam requests US catfish anti-dumping duties re-evaluation
Mar 21, 22:00 (GMT + 9):
Main salmon producers saw profits grow by 60pct in 2017
Mar 21, 02:10 (GMT + 9):
Multiexport Foods increased profits 70pct in 2017
Mar 21, 01:50 (GMT + 9):
Grup Balfegó announces 'Tuna Tour' sixth season
Mar 20, 23:50 (GMT + 9):
Salmones Camanchaca improves profits in 2017, despite lower salmon sales
Mar 20, 22:30 (GMT + 9):
GeneSeas wants to increase tilapia fillet production by 80pct

EU and Côte d'Ivoire renew fishing agreement
European Union The negotiations held in Abidjan have allowed the European Union and Côte d'Ivoire to agree on a new fisheries partnership protocol that gives access to Ivory Coast waters to 36 EU vessels.
Seafood sector firms call for effective fishing regulations
United Kingdom A coalition of 17 supermarkets, processors and industry groups urge the United Kingdom Government to adopt robust fisheries regulations after Brexit.
Private equity fund acquires Morenot majority stake
Norway FSN Capital V has acquired a majority stake in Norway based Mørenot Holding II, a world leading supplier of equipment and services to the world’s fishery- and aquaculture industries as well as marine seismic.
Snow crab trap fishery MSC certificate suspended
Canada The Marine Stewardship Ccouncil certificate for the Southern Gulf of St. Lawrence snow crab trap fishery in Canada has been suspended by certifier SAI Global.
Maruha Nichiro Corporation
Nichirei Corporation -Headquarter-
Pesquera El Golfo S.A.
Ventisqueros - Productos del Mar Ventisqueros S.A
Wärtsilä Corporation -Wartsila Group Headquarter-
ITOCHU Corporation -Headquarter-
BAADER - Nordischer Maschinenbau Rud. Baader GmbH+Co.KG (Head Office)
Inmarsat plc - Global Headquarters
Marks & Spencer
Tesco PLC (Supermarket) - Headquarters
Sea Harvest Corporation (PTY) Ltd.
I&J - Irvin & Johnson Holding Company (Pty) Ltd.
Blue Continent Products (Pty) Ltd - (Oceana Group Limited)
Pesquera San Jose S.A.
Nutreco N.V. - Head Office
CNFC China National Fisheries Corporation - Group Headquarters
W. van der Zwan & Zn. B.V.
SMMI - Sunderland Marine Mutual Insurance Co., Ltd. - Headquarters
Icicle Seafoods Inc. -Headquarter-
Starkist Seafood Co. - Headquearters
Trident Seafoods Corp.
American Seafoods Group LLC - Head Office
Marel - Group Headquarters
SalMar ASA - Group Headquarters
Sajo Industries Co., Ltd
Hansung Enterprise Co.,Ltd.
BIM - Irish Sea Fisheries Board (An Bord Iascaigh Mhara)
CEFAS - Centre for Environment, Fisheries & Aquaculture Science
COPEINCA ASA - Corporacion Pesquera Inca S.A.C.
Chun Cheng Fishery Enterprise Pte Ltd.
VASEP - Vietnam Association of Seafood Exporters & Producers
Gomes da Costa
Furuno Electric Co., Ltd. (Headquarters)
NISSUI - Nippon Suisan Kaisha, Ltd. - Group Headquarters
FAO -Food and Agriculture Organization- Fisheries and Aquaculture Department (Headquarter)
Hagoromo Foods Co., Ltd.
Koden Electronics Co., Ltd. (Headquarters)
A.P. Møller - Maersk A/S - Headquarters
BVQI - Bureau Veritas Quality International (Head Office)
UPS - United Parcel Service, Inc. - Headquarters
Hamburg Süd Group - (Headquearters)
Armadora Pereira S.A. - Group Headquarters
NOAA - National Oceanic and Atmospheric Administration (Headquarters)
Omega Protein Corporation -Headquarter-
Marona S.A.
Marine Harvest ASA - Headquarters
Marubeni Europe Plc -UK-
Findus Ltd
Icom Inc. (Headquarter)
WWF Centroamerica
Oceana Group Limited
The David and Lucile Packard Foundation
Ajinomoto Co., Inc. - Headquarters
Friosur S.A. - Headquarters
Cargill, Incorporated - Global Headquarters
Benihana Inc.
Leardini Pescados Ltda
Mitsubishi Corporation Marine Products Depts. D.Team
CJ Corporation  - Group Headquarters
Greenpeace International - The Netherlands
David Suzuki Foundation
Fisheries and Oceans Canada -Communications Branch-
Mitsui & Co.,Ltd - Headquarters
NOREBO Group (former Ocean Trawlers Group)
Natori Co., Ltd.
Carrefour Supermarket - Headquarters
FedEx Corporation -Headquarter-
AKBM - Aker BioMarine ASA
Seafood Choices Alliance -Headquarter-
Austevoll Seafood ASA
Walmart / Wal-Mart Stores, Inc. (Supermarket) -Headquarter-
New Japan Radio Co.Ltd (JRC) -Head Office-
Gulfstream JSC
INVE Group - Head Office
Marine Stewardship Council - MSC Worldwide Headquarters
Royal Dutch Shell plc (Headquarter)
Genki Sushi Co.,Ltd -Headquarter-
Iceland Pelagic ehf
AXA Assistance Argentina S.A.
Caterpillar Inc. - Headquarters
Tiger Brands Limited
Morpol ASA - Group Headquarters
National Geographic Society
AmazonFresh, LLC - AmazonFresh

Copyright 1995 - 2018 Fish Info & Services Co.Ltd| All Rights Reserved.   DISCLAIMER