Trichonotus is a genus of marine gobiiform fishes. Species of Trichonotus are distributed throughout the Indo-West Pacific. This genus is the only member of the family Trichonotidae. Trichonotus species have jutting lower jaws, five soft rays, and single pelvic spines. In males, the anterior rays on their dorsal fins may be extended. Their lateral lines run along the middle flank. On the back end of the lateral line scales is a deep, V-shaped notch. The type species is Trichonotus setiger. Learn more about Sand-diver
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