First record of a ponyfish, Secutor indicius, from Japan (Perciformes: Leiognathidae).

概要

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A leiognathid fish, Secutor indicius, is reported here for the northernmost record of the genus and species, and the first record of the species from Japan, based on a single specimen collected from Uchinoura Bay, Kagoshima Prefecture, Kyushu Island. The description of the specimen is provided and a new Japanese name, "Hoso-ukeguchi-hiiragi", is proposed. The genus Secutor is distinguished from all other leiognathid genera by having the mouth angled upwards, located at the level of center of the eye, the lower jaw anterior profile almost vertical when mouth closed, and a black line from the anteroventral margin of the orbit to the lower jaw articulation. Secutor indicius is distinguishable from its congeners by the following combination of characters: cheek without scales; preorbital spine single, not forked; 87-111 lateral line scales; and 15-22 dark vertical markings on dorsolateral surface of body.
日本魚類学会の論文