Australian bonytongue (Scleropages jardinii) fish species and information / pictures of Australian bonytongue - Scleropages jardinii

Australian bonytongue (Scleropages jardinii) fish species information

Scientific Name
Scleropages jardinii

Common Name
Australian bonytongue

Biology
Adults occur in still waters of streams and swamps where it is usually seen near the surface or close to shore among aquatic vegetation. Solitary, territorial and spawn prior to the wet season when surface water temperatures approach 30?C. Young feed primarily on microcrustaceans . Primarily a surface feeder, feeding on a variety of terrestrial and aquatic insects, small fishes, frogs, crustaceans, and some plant material. Mouthbrooders. Maximum weight reported in Ref. 5259 may be 12.27 kg . Important food fish and a valuable aquarium fish.

Classification

Classified By
Saville-Kent, 1892
Class
Ray-finned fishes (Actinopterygii)
Order
Bony tongues (Osteoglossiformes)
Family
Arowanas (Osteoglossidae)

Distribution

Region
Asia and Oceania
Distribution
Asia and Oceania: northern Australia and central-southern New Guinea.
Range
6°S - 14°S

Environment

Climate
Tropical
Water Temperature From
Unknown °C
Water Temperature To
15 °C
Depth From - meters
Unknown m
Depth To - meters
Unknown m
Zone
pelagic
Environment
Freshwater; pelagic
Trophic Level
2.77 s.e. 0.38 Based on diet studies.
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
100.0 cm
Common Length
55.0 cm
Phylogenetic Diversity Index
PD50 = 0.5195 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses
Fisheries: of no interest; aquaculture: commercial; gamefish: yes; aquarium: commercial
Vulnerability
High vulnerability (59 of 100)
Resilience
Low, minimum population doubling time 4.5 - 14 years (tm=4-5; Fec=30-130)
Threat To Humans
Harmless
IUCN Red List Status
Not Evaluated