Opistognathus Iyonis (Opistognathus iyonis), first described by Jordan & Thompson, 1913 is a small fish in the family Opistognathidae (order Perciformes). Adults typically reach 6.00 cm in maximum length. It inhabits marine coastal and open-ocean environments. It occurs in Temperate waters. It feeds on a mix of small fish and invertebrates as a mid-level predator. On the IUCN Red List, it is classified as Least Concern.
Physical description for Opistognathus Iyonis is currently being compiled.
Behavioural data for Opistognathus Iyonis is currently being reviewed.
Marine; demersal. Temperate Northwest Pacific: southern Japan (Ref.
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