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Clarias fuscus in Hong Kong
Whitespotted clarias

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Clarias fuscus   (Lacepède, 1803)
Family:	Clariidae (Airbreathing catfishes)			picture (Clfus_u0.jpg) by Shao, K.T.
Order:	Siluriformes  (catfish)
Class:	Actinopterygii (ray-finned fishes)
FishBase name:	Whitespotted clarias
Max. size:	24.5 cm SL (male/unsexed; Ref. 40531)
Environment:	demersal ; depth range - 3 m
Climate:	subtropical; 26°N - 17°N
Global Importance:	fisheries: minor commercial; aquaculture: commercial
Resilience:	High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)
Distribution:	Asia: China, Taiwan, Philippines (Ref. 41299) and Viet Nam (Ref. 44416). Oceania: Hawaii (Ref. 5360).
Diagnosis:	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).
Biology:	Occurs in streams, ponds, ditches and reservoirs. Prefers deeper pools and tends to hide under thick mats of vegetation; a nocturnal feeder on small fishes, worms, crustaceans and insects (Ref. 44091). Benthic (Ref. 58302). Oviparous (Ref. 205)
Threatened:	Not Evaluated, see IUCN Red List  , (Ref. 36508)
Dangerous:	venomous , Man, S.H. and I.J. Hodgkiss. 1981
Coordinator:
Main Ref:	Kottelat, M.. 2001. (Ref. 43281)
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Hong Kong country information
Common names:	Bak fu ue, Cat-fish, Tong sat		Ref:  Man, S.H. and I.J. Hodgkiss, 1981
Status:	native		Ref:
Salinity:	freshwater
Aquaculture:	commercial		Ref:  FAO Fishery Information, Data and Statistics Service, 1993
Uses:	no uses
Country Information:	www.cia.gov/cia/publications/factbook/geos/hk.html
Occurrences:	Occurrences    Point map
Main Ref:	Man, S.H. and I.J. Hodgkiss, 1981
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More information:	Countries FAO areas Occurrences Introductions Ecosystem Ecology Diet Food items Food consumption Ration Predators Ciguatera Fish loss Common names Synonyms Pictures Sounds Reproduction Maturity Spawning Eggs Egg dev. Larvae Larval dynamics References Growth L-W relationship L-L relationship Length frequencies Recruitment Max. age & size Metabolism Morphology Morphometrics Gill area Brains Vision Collaborators Genetics Allele frequencies Heritability Strains Aquaculture Aquaculture profile Diseases Ecotoxicology Processing Speed Swim. type Stamps
	Note: No data are available if label is black .
Tools:	Biogeographic modelling | E-book | Field guide | Length-frequency Wizard | Life-history tool | Point map |
Internet sources:	Alien/Invasive species database | BiOSC Point Data | CISTI | FAO aquaculture | Google | GOBASE | GenBank ( genome, nucleotide ) | National databases | PubMed | Recipes | Scirus | Tree of Life | Zoological Record FishWatcher |
	Note: use the Back button of your browser to return to FishBase.
	Modified:  Sampang, Arlene G.	Entered:  Torres, Armi G.

	Ref.:				Glossary
		(e.g. 9948)				(e.g. cephalopods)
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Page created by: Eli, 20.10.03, last modified by Eli, 26.06.07