Tongan spiny basslet (Acanthoplesiops naka)

Scientific name: Acanthoplesiops naka Mooi & Gill, 2004

The Tongan spiny basslet (Acanthoplesiops naka) is a marine fish of the family Plesiopidae. Native range: Eastern Central Pacific, Tonga.

Biology

Dorsal spines (total): 18; Dorsal soft rays (total): 4; Anal spines: 7; Anal soft rays: 4; Vertebrae: 27. This species is characterized by the following: D XVIII,4; anterior dorsal-fin pterygiophore formula ?/?/I+I/I/I/I/I/I/I//I/I/I/I; dentary pores 3; intertemporal pores 2, generally brownish head and body with darker pigment spots (from shrunken melanophores), except the pale stripe from the anterior half of the symphyseal flap to origin of dorsal fin continuous with a pale first dorsal spine, pectoral fin base with a pale spot, pale caudal peduncle continuous with pale bases of last 3 segmented dorsal- and anal-fin rays, the median fins slightly darker than body color with pale tips to their rays, first pelvic-fin ray dark on proximal 2/3 and pale on distal third, second pelvic-fin ray dark except for extreme distal tip; scales ctenoid; last dorsal- or anal-fin rays no membranous attachment to caudal fin.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Acanthoplesiops naka
Family
Plesiopidae (Roundheads)
Order
Perciformes (Perch-like fish)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
1.0
Depth range
21–32 m (69–105 ft)
Environment
Marine; pelagic-neritic; depth range 21 - 32 m
Climate
Tropical
Distribution
Eastern Central Pacific: Tonga.
Conservation status (IUCN)
Not Evaluated
Threat to humans
Harmless
Resilience
Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.)

Sources

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

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