Long barbeled grunter (Hapalogenys sennin)

Scientific name: Hapalogenys sennin Iwatsuki & Nakabo, 2005

The Long barbeled grunter (Hapalogenys sennin) is a marine fish of the family Hapalogenyidae. Native range: Northwest Pacific, Currently known only from southern Japan except in the Ryukyu and Ogasawara isalnds.

Biology

Dorsal spines (total): 11; Dorsal soft rays (total): 16-18. Diagnosis. Distinguished from its congerners by the following: dorsal-fin rays XI, 16-18 (usually XI, 17); scales above lateral line 9-12 (usually 10 or 11), below 15-19 (usually 16 or 17); scales on maxilla absent; 10 pores on and behind chin, including one very smalei pore near each side of symphysis, two moderate sized pores anteroventrally on each dentary, a single large pore ventrally, midway along each dentary (usually obscured by dense papillae), and a single large pore ventrally at articulation of dentary (two posteriormost pores slit-like concave traces); cluster of short and long dense papillae and barbels on fleshy lower lip, its posterior part naked; shape of dorsal- and anal-fin rays strongly angulated, usually angular, anal more strong than dorsal; body uniformly dark brown, sometimes with two indistinct oblique dark bands, the first descending from nape to behind pectoral fin, the second from base of 7

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Hapalogenys sennin
Family
Hapalogenyidae (Barbeled grunters)
Order
Perciformes (Perch-like fish)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
29.6
Depth range
50 m (164 ft)
Environment
Marine; pelagic-neritic; depth range ? - 50 m
Climate
Temperate
Distribution
Northwest Pacific: Currently known only from southern Japan except in the Ryukyu and Ogasawara isalnds.
Conservation status (IUCN)
Not Evaluated
Threat to humans
Harmless

Sources

Taxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.

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