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Setting up your tank

DIY Fish Tank Stand

250L community aquarium

Big-snout croaker (Johnius macrorhynus) fish species and information / pictures of Big-snout croaker - Johnius macrorhynus

Big-snout croaker (Johnius macrorhynus) fish species information

Scientific Name
Johnius macrorhynus

Common Name
Big-snout croaker

Biology
Dorsal spines (total): 11; Dorsal soft rays (total): 27-30; Anal spines: 2; Anal soft rays: 7. Lower part of body with a golden tinge; pectoral, pelvic and anal fins yellow; a faint steel blue blotch on gill cover (Ref. 9772).

Classification

Classified By

Mohan, 1976

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Drums or croakers (Sciaenidae)

Distribution

Region

Indo-Pacific

Distribution

Indo-Pacific: India and Sri Lanka to the South China Sea, Borneo and the Malay Peninsula.

Range

Unknown

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

Unknown m

Depth To - meters

Unknown m

Zone

benthopelagic

Environment

Marine; benthopelagic

Trophic Level

3.32 s.e. 0.40 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

30.0 cm

Common Length

22.0 cm

Phylogenetic Diversity Index

PD50 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Fisheries: minor commercial

Vulnerability

Low vulnerability (22 of 100)

Resilience

High, minimum population doubling time less than 15 months (K=0.5-0.8)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated