Scientific Name
Arius microcephalus

Common Name
Squirrelheaded catfish

Biology
Found in inshore and turbid brackish waters and tidal reaches of rivers (Ref. 38478). Probably feeding on mollusks or thick-shelled crustaceans (Ref. 38478).

Classification

Classified By

Bleeker, 1855

Class

Ray-finned fishes (Actinopterygii)

Order

Catfish (Siluriformes)

Family

Sea catfishes (Ariidae)

Distribution

Region

Western Pacific

Distribution

Western Pacific: Eastern Thailand and throughout Borneo.

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; brackish; benthopelagic

Trophic Level

3.67 s.e. 0.49 Based on size and trophs of closest relatives

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

60.0 cm

Common Length

Unknown 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

Unknown

Vulnerability

Moderate to high vulnerability (51 of 100)

Resilience

Low, minimum population doubling time 4.5 - 14 years (Preliminary K or Fecundity.)

Threat To Humans

Traumatogenic (Ref. 58010)

IUCN Red List Status

Not Evaluated