Ruff (Arripis georgianus) fish species and information / pictures of Ruff - Arripis georgianus

Ruff (Arripis georgianus) fish species information

Scientific Name
Arripis georgianus

Common Name
Ruff

Biology
Dorsal spines (total): 9; Dorsal soft rays (total): 16; Anal spines: 3; Anal soft rays: 10; Vertebrae: 25. Large eyes, diameter of which about one fifth of the head length. Body scales are slightly rough to touch. Body coloration: green above and silvery below with vertical rows of golden spots on the upper sides, tips of the caudal fin are black. Juveniles have dark golden bars on their sides (Ref. 6390). Length of upper lobe of caudal fin 9701).

Classification

Classified By
Valenciennes, 1831
Class
Ray-finned fishes (Actinopterygii)
Order
Perch-like fish (Perciformes)
Family
Australian salmon (Arripidae)

Distribution

Region
Eastern Indian Ocean
Distribution
Eastern Indian Ocean: endemic to the southern coasts of Australia.
Range
26°S - 39°S, 112°E - 150°E

Environment

Climate
Temperate
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
1 m
Depth To - meters
Unknown m
Zone
pelagic-neritic
Environment
Marine; brackish; pelagic-neritic; depth range 1 - ? m (Ref. 6390)
Trophic Level
4.31 s.e. 0.76 Based on food items.
Occurs in Marine / Salt water
True
Occurs in Brackish water
True
Occurs in Fresh Water
False
Occurs on Reefs
False
Is kept in Aquariums
False

Physical Size and Genetics

Maximum Length
41.0 cm
Common Length
Unknown cm
Phylogenetic Diversity Index
PD50 = 0.6250 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses
Fisheries: commercial; gamefish: yes
Vulnerability
Low vulnerability (21 of 100)
Resilience
Medium, minimum population doubling time 1.4 - 4.4 years (K=0.8-1; tm=2-4; tmax=7; Fec=190,000)
Threat To Humans
  Harmless
IUCN Red List Status
  Not Evaluated