Scientific Name
Clarias fuscus

Common Name
Hong Kong catfish

Biology
Dorsal soft rays (total): 59-63; Anal soft rays: 42 - 46. Nude body without scale, sticky. Yellowish brown or dark gray, white and gray stomach. Lateral white dots on the sides (Ref. 40531). Sometimes confused with the channel catfish, but Clarias fuscus can be differentiated by its rounded tail and long dorsal and anal fins (Ref. 44091).

Classification

Classified By

Lacep?de, 1803

Class

Ray-finned fishes (Actinopterygii)

Order

Catfish (Siluriformes)

Family

Airbreathing catfishes (Clariidae)

Distribution

Region

Asia

Distribution

Asia: China, Taiwan, Philippines (Ref. 41299) and Vietnam (Ref. 44416). Oceania: Hawaii (Ref. 5360).

Range

26°N - 17°N

Environment

Climate

Subtropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

3 m

Depth To - meters

Unknown m

Zone

demersal

Environment

Freshwater; demersal; depth range 3 - ? m

Trophic Level

3.74 s.e. 0.59 Based on food items.

Occurs in Marine / Salt water

False

Occurs in Brackish water

False

Occurs in Fresh Water

True

Occurs on Reefs

False

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

24.5 cm

Common Length

9.6 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; aquaculture: commercial

Vulnerability

Low to moderate vulnerability (27 of 100)

Resilience

High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)

Threat To Humans

Venomous (Ref. 5258)

IUCN Red List Status

Not Evaluated