Threespot grunter (Hephaestus trimaculatus) fish species and information / pictures of Threespot grunter - Hephaestus trimaculatus

Threespot grunter (Hephaestus trimaculatus) fish species information

Scientific Name
Hephaestus trimaculatus

Common Name
Threespot grunter

Biology
Dorsal spines (total): 13; Dorsal soft rays (total): 11-13; Anal spines: 3; Anal soft rays: 10 - 11

Classification

Classified By
Macleay, 1883
Class
Ray-finned fishes (Actinopterygii)
Order
Perch-like fish (Perciformes)
Family
Grunters or tigerperches (Terapontidae)

Distribution

Region
Oceania
Distribution
Oceania: known only from the vicinity of Port Moresby, Papua New Guinea in the Laloki River and its tributaries including the Brown and Goldie rivers.
Range
9°S - 10°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
3.22 s.e. 0.47 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
True

Physical Size and Genetics

Maximum Length
22.0 cm
Common Length
Unknown 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
Aquarium: commercial
Vulnerability
Low to moderate vulnerability (34 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
  Data deficient (DD)