Nemuro local promotion of the Hanasaki crab
Hanasaki crabs mistery and potential recovery
Wednesday, July 15, 2020, 16:00 (GMT + 9)
Hanasaki crab was first landed at Nemuro on the 11th, but it has been unfished in recent years. What's happening with the seafood in the eastern part of the country freshly caught Hanasaki Crab.
When you put it in boiling water, it turns into a bright red color in no time.
Hanasakigani ( Hanasaki crab ) Paralithodes Brevipes is a type of shellfish that are classified in the shrimp eyes (Decapoda) anomura-king crab. It is a closely related species of king crab and is caught for food.
Cage fishing of Hanasaki crab has been lifted on the coast of Nemuro Peninsula. Local fisherman comment "There is something more strange than last year. This year's first landing was 5.2 tons, which was higher than 4.6 tons last year, but the number of large size crabs was few, so the maximum price was 2646 yen per kilo and last year. About 40% cheaper. The amount of Hanasaki crab landed in Nemuro was 81.5 tons last year, the worst in the past 10 years. The detailed reason for the unfishing is unknown".
Ryoji Kudo, Deputy General Manager, Nemuro Fisheries Research Institute “The seawater temperature has risen recently and the growing environment. I feel that there may be some changes between the past and now”. Nemuro Fisheries Research Institute near Cape Nosappu. We are the only researcher in Japan for Hanasaki Crab, and we breed about 600 animals.
Ryoji Kudo clarifies that “In the past, there were many Hanasaki crabs on the coast of the Nemuro Peninsula, but in recent years the resource level is low. We are trying to create juvenile crabs and release them to restore and increase coastal resources” Hanasaki crabs mating in the aquarium. The next day, the belly of the female will be filled with eggs.
Ryoji Kudo adds "It actually takes about 3 months to hatch a child from this egg next year. Until then, I will keep holding the egg for about a year".
The juvenile crab born at the Institute for Release May this year has a large shell. When it grows up to 2 mm, it is released into the sea. It takes up to 5 years for this juvenile crab to grow to a size that can be caught by fishing. Uncaught due to unknown cause. Will the seasonal crab recover?