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Clarias fuscus, Hong Kong catfish : fisheries, aquaculture
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Clarias fuscus
Picture by
CAFS
Teleostei (teleosts) >
Siluriformes
(Catfishes) >
Clariidae
(Airbreathing catfishes)
Etymology:
Clarias:
Greek, chlaros = lively, in reference to the ability of the fish to live for a long time out of water
.
More on author:
Lacepède
.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; demersal; depth range 3 - ? m. Subtropical; 26°N - 17°N
Asia: China, Taiwan, Philippines (Ref.
41299
) and Vietnam (Ref.
44416
). Oceania: Hawaii (Ref.
5360
).
Size / Weight / Age
Maturity: L
m
 
?
  range ? - ? cm
Max length : 24.5 cm SL male/unsexed; (Ref.
40531
); common length : 9.6 cm SL male/unsexed; (Ref.
35840
)
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
).
Facultative air-breathing (Ref.
126274
); Adults occur in streams, ponds, ditches and reservoirs. They prefer deeper pools and tend to hide under thick mats of vegetation; are nocturnal feeders foraging on small fishes, worms, crustaceans and insects (Ref.
44091
). Benthic (Ref.
58302
). Oviparous (Ref.
205
).
Life cycle and mating behavior
Maturity
|
Reproduction
|
Spawning
|
Eggs
|
Fecundity
|
Larvae
Oviparous (Ref.
205
).
Kottelat, M.
, 2001. Fishes of Laos. WHT Publications Ltd., Colombo 5, Sri Lanka. 198 p. (Ref.
43281
)
IUCN Red List Status (Ref.
130435
)
Least Concern (LC)
; Date assessed:
26 October 2020
CITES
Not Evaluated
Not Evaluated
Threat to humans
Venomous (Ref.
5258
)
Human uses
Fisheries: minor commercial; aquaculture: commercial
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Estimates based on models
Phylogenetic diversity index (Ref.
82804
): PD
50
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00776 (0.00343 - 0.01757), b=2.97 (2.79 - 3.15), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245
).
Trophic level (Ref.
69278
): 3.7 ±0.59 se; based on food items.
Resilience (Ref.
120179
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153
): Low vulnerability (20 of 100).
Price category (Ref.
80766
):
Unknown
.
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Page last modified by :
mrius-barile
- 20 July 2016
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