Marine Biodiversity in Kagoshima

Fish of Kagoshima Vol. 3 Plecoglossus altivelis ryukyuensis

Plecoglossus altivelis ryukyuensis

Bite marks

1. Contributor: Gen Kume (Aquatic Sciences)
2. Japanese name: Ryukyu Ayu
3. Scientific name: Plecoglossus altivelis ryukyuensis Nishida, 1988
4. Characteristics: Wild population is distributed only in Amami-Oshima, Kagoshima Prefecture and designated as endangered now. They are morphologically similar to a subspecies Plecoglossus altivelis altivelis, but, their maximum size is smaller. They are amphidromous fish and their larvae and juveniles are seen in estuarine and coastal waters from winter to spring.
(2015.5.27)