Tongan spiny basslet (Acanthoplesiops naka) fish species and information / pictures of Tongan spiny basslet - Acanthoplesiops naka

Tongan spiny basslet (Acanthoplesiops naka) fish species information

Scientific Name
Acanthoplesiops naka

Common Name
Tongan spiny basslet

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 (Ref. 75897).

Classification

Classified By
Mooi & Gill, 2004
Class
Ray-finned fishes (Actinopterygii)
Order
Perch-like fish (Perciformes)
Family
Roundheads (Plesiopidae)

Distribution

Region
Eastern Central Pacific
Distribution
Eastern Central Pacific: Tonga.
Range
Unknown

Environment

Climate
Tropical
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
21 m
Depth To - meters
32 m
Zone
pelagic-neritic
Environment
Marine; pelagic-neritic; depth range 21 - 32 m (Ref. 75897)
Trophic Level
s.e. 0.00 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
1.0 cm
Common Length
Unknown cm
Phylogenetic Diversity Index
PD50 = 0.5312 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses
Unknown
Vulnerability
Low vulnerability (10 of 100)
Resilience
Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.)
Threat To Humans
  Harmless
IUCN Red List Status
  Not Evaluated