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Pharyngochromis darlingi, Zambezi happy : fisheries
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Pharyngochromis darlingi
Picture by
Mertens, P.
Teleostei (teleosts) >
Cichliformes
(Cichlids, convict blennies) >
Cichlidae
(Cichlids) > Pseudocrenilabrinae
Etymology:
Pharyngochromis:
Greek, pharyngx = pharynx + Greek, chromis = a fish, perhaps a perch (Ref.
45335
)
.
More on author:
Boulenger
.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; demersal. Tropical
Africa: Okavango and the upper Save-Runde Rivers, Zambezi River system in Angola, Namibia, Botswana, Zambia and Zimbabwe (Ref.
5596
). Also reported from the Kunene in Angola (Ref.
11970
). Reported from upper tributaries of the Kasai (middle Congo River basin)(Ref.
11970
) questionable and unconfirmed.
Size / Weight / Age
Maturity: L
m
 
?
  range ? - ? cm
Max length : 22.0 cm TL male/unsexed; (Ref.
5596
)
Very adaptive, found in almost every habitat type within its distributional range; feeds mainly on small fish, aquatic insects and crustaceans; females only spawn once a year, around September during the rainy season; spawns of approximately 200 eggs per female are possible; males excavate shallow craters in shallow waters for spawning (Ref.
52307
).
Life cycle and mating behavior
Maturity
|
Reproduction
|
Spawning
|
Eggs
|
Fecundity
|
Larvae
Balon, E.K.
, 1974. Fishes of Lake Kariba, Africa. T.F.H. Publications, Neptune City, New Jersey. (Ref.
3126
)
IUCN Red List Status (Ref.
130435
)
Not Evaluated
CITES
Not Evaluated
Not Evaluated
Threat to humans
Harmless
Human uses
Fisheries: minor commercial
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Zoological Record
Estimates based on models
Phylogenetic diversity index (Ref.
82804
): PD
50
= 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01413 (0.00793 - 0.02517), b=2.96 (2.81 - 3.11), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245
).
Trophic level (Ref.
69278
): 3.2 ±0.44 se; based on food items.
Generation time: 2.1 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
Resilience (Ref.
120179
): High, minimum population doubling time less than 15 months (K=0.5).
Fishing Vulnerability (Ref.
59153
): Low vulnerability (25 of 100).
Price category (Ref.
80766
):
Unknown
.
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- 20 July 2016
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