Sepik grunter (Hephaestus transmontanus) fish species and information / pictures of Sepik grunter - Hephaestus transmontanus

Sepik grunter (Hephaestus transmontanus) fish species information

Scientific Name
Hephaestus transmontanus

Common Name
Sepik grunter

Biology
Dorsal spines (total): 11 - 12; Dorsal soft rays (total): 10-11; Anal spines: 3; Anal soft rays: 10 - 11

Classification

Classified By
Mees & Kailola, 1977
Class
Ray-finned fishes (Actinopterygii)
Order
Perch-like fish (Perciformes)
Family
Grunters or tigerperches (Terapontidae)

Distribution

Region
Oceania
Distribution
Oceania: Ramu and Sepik River systems of northern Papua New Guinea.
Range
3°S - 7°S

Environment

Climate
Tropical
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
Unknown m
Depth To - meters
Unknown m
Zone
demersal
Environment
Freshwater; demersal
Trophic Level
3.17 s.e. 0.46 Based on size and trophs of closest relatives
Occurs in Marine / Salt water
False
Occurs in Brackish water
False
Occurs in Fresh Water
True
Occurs on Reefs
False
Is kept in Aquariums
False

Physical Size and Genetics

Maximum Length
12.5 cm
Common Length
9.0 cm
Phylogenetic Diversity Index
PD50 = 0.5001 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses
Unknown
Vulnerability
Low vulnerability (23 of 100)
Resilience
High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)
Threat To Humans
  Harmless
IUCN Red List Status
  Not Evaluated