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Clarias stappersii, Blotched catfish : fisheries
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Clarias stappersii
Picture by
RMCA / Mark Hanssens
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:
Boulenger
.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; demersal. Tropical
Africa: Luapula-Moero system (upper Congo River basin), upper Kasai drainage (middle Congo River basin), Kafue River, upper Zambezi system, Cunene River and Okavango (Ref.
248
).
Size / Weight / Age
Maturity: L
m
 
?
  range ? - ? cm
Max length : 41.0 cm SL male/unsexed; (Ref.
7248
)
Dorsal
spines
(total): 0;
Dorsal
soft rays
(total): 60-80;
Anal
soft rays
: 56 - 63;
Vertebrae
: 58 - 61. Characterized by its lateral line which appears as a thick white band; barbels extremely short. Head long, broad and flattened. Frontal fontanelle long and extremely narrow. Occipital fontanelle rather small. The `dermosphenotic' and supraorbital bones are separated. Tooth plate extremely broad. Pectoral spine straight and robust. Suprabranchial organ well developed but not completely filling the chamber.
Facultative air-breathing (Ref.
126274
); Occurs in well-vegetated sluggish river channels and floodplain lagoons. Breeds during the summer rainy season (Ref.
7248
). Eats invertebrates and, when older, other fishes (Ref.
7248
,
78218
).
Life cycle and mating behavior
Maturity
|
Reproduction
|
Spawning
|
Eggs
|
Fecundity
|
Larvae
Teugels, G.G.
, 1986. A systematic revision of the African species of the genus
Clarias
(Pisces; Clariidae). Ann. Mus. R. Afr. Centr., Sci. Zool., 247:199 p. (Ref.
248
)
IUCN Red List Status (Ref.
130435
)
Least Concern (LC)
; Date assessed:
22 May 2018
CITES
Not Evaluated
Not Evaluated
Threat to humans
Harmless
Human uses
Fisheries: subsistence fisheries
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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=0.00794 (0.00432 - 0.01461), b=2.98 (2.83 - 3.13), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245
).
Trophic level (Ref.
69278
): 4.5 ±0.6 se; based on diet studies.
Resilience (Ref.
120179
): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153
): Moderate vulnerability (40 of 100).
Price category (Ref.
80766
):
Unknown
.
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mrius-barile
- 20 July 2016
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