Gasterosteus Nipponicus (Gasterosteus nipponicus) is a ray-finned fish of the family Gasterosteidae. It inhabits diadromous, migrating between freshwater and the sea waters. This species can reach a maximum total length of 7.2 cm. With a trophic level of 3.3, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Least Concern on the IUCN Red List.
Dorsal spines (total): 3; Dorsal soft rays (total): 10 - 15; Anal soft rays: 7 - 11; Vertebrae: 30 - 34. Gasterosteus nipponicus is distinguished from its congeners by the combination of the following characters: lateral plates complete, abruptly reducing in size above the anus, depth of lateral plate above the anus
Behavioural data for Gasterosteus Nipponicus is currently being reviewed.
Diet information for Gasterosteus Nipponicus is currently being compiled.
Reproduction data for Gasterosteus Nipponicus is currently being compiled.
Marine; freshwater; brackish; benthopelagic. Subtropical west to the southern and eastern coasts of Korean Peninsula, the Maritime Territory and north to Sakhalin Island, Russia.
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