Long barbeled grunter (Hapalogenys sennin) fish species and information / pictures of Long barbeled grunter - Hapalogenys sennin

Long barbeled grunter (Hapalogenys sennin) fish species information

Scientific Name
Hapalogenys sennin

Common Name
Long barbeled grunter

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

Classification

Classified By
Iwatsuki & Nakabo, 2005
Class
Ray-finned fishes (Actinopterygii)
Order
Perch-like fish (Perciformes)
Family
Barbeled grunters (Hapalogenyidae)

Distribution

Region
Northwest Pacific
Distribution
Northwest Pacific: Currently known only from southern Japan except in the Ryukyu and Ogasawara isalnds.
Range
Unknown

Environment

Climate
Temperate
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
Unknown m
Depth To - meters
50 m
Zone
pelagic-neritic
Environment
Marine; pelagic-neritic; depth range ? - 50 m (Ref. 56360)
Trophic Level
3.93 s.e. 0.63 Based on size and trophs of closest relatives
Occurs in Marine / Salt water
True
Occurs in Brackish water
False
Occurs in Fresh Water
False
Occurs on Reefs
False
Is kept in Aquariums
False

Physical Size and Genetics

Maximum Length
29.6 cm
Common Length
Unknown cm
Phylogenetic Diversity Index
PD50 = 0.5039 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses
Unknown
Vulnerability
Low to moderate vulnerability (26 of 100)
Resilience
Unknown
Threat To Humans
  Harmless
IUCN Red List Status
  Not Evaluated