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Pungu maclareni : fisheries
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Pungu maclareni
Picture by
Albering, J.
Teleostei (teleosts) >
Cichliformes
(Cichlids, convict blennies) >
Cichlidae
(Cichlids) > Pseudocrenilabrinae
Etymology:
Pungu:
Local vernacular word from Cameroon for a fish endemic in lake Barombi Mbo
;
maclareni:
Named in reference to P.I.R Maclaren, collector of the male holotype in 1948 (Ref.
53949
)
.
More on author:
Trewavas
.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; demersal, usually 1 - 3 m (Ref.
52307
). Tropical; 28°C - 30°C (Ref.
26185
)
Africa: endemic to Lake Barombi Mbo, west Cameroon (Ref.
81260
).
Size / Weight / Age
Maturity: L
m
 
?
  range ? - ? cm
Max length : 10.0 cm SL male/unsexed; (Ref.
26185
)
Short description
Morphology
|
Morphometrics
Dorsal
spines
(total): 15 - 17;
Dorsal
soft rays
(total): 10-11;
Anal
spines
: 3;
Anal
soft rays
: 8 - 9;
Vertebrae
: 29. Diagnosis: mouth terminal (Ref.
26185
,
53940
). Distinctive fleshy lips (Ref.
26185
,
52307
), from which protrude rows of outwardly directed jaw teeth (Ref.
26185
,
53949
). Inner jaw teeth usually with 3 subequal cusps, outer row notched in juveniles but with simple replacements in adults (Ref.
26185
,
53940
). 7-8 lower outer teeth, 12-23 upper outer teeth; blade and dentigerous area of lower pharyngeal bone subequal, with slender teeth, firm and unicuspid posteriorly; colour variable, often silver-yellow (pale or intense) with dusky mottling concentrated on head and, to a lesser extent, midline (Ref.
26185
). No Tilapia-spot on dorsal fin (Ref.
26185
,
52307
,
53940
,
53949
). Metallic blue highlights on operculum, dorsal and caudal fins (Ref.
26185
).
Usually found in smaller groups (Ref.
52307
) in shallow waters of lake shore (<4 m deep)(Ref.
26185
). Feeds mainly on benthic invertebrates (mayfly, caddis and chironomid midge larvae) (Ref.
26185
) and the endemic sponge
Corvospongilla thysi
(Ref.
53950
,
58527
,
81260
), but diatoms and terrestrial macrophytes are also sometimes eaten in quantity (Ref.
26185
). Maternal (Ref.
52307
) mouthbrooder (Ref.
13614
,
52307
,
58527
).
Life cycle and mating behavior
Maturity
|
Reproduction
|
Spawning
|
Eggs
|
Fecundity
|
Larvae
Eggs green (Ref.
26185
,
53940
,
58527
) and ovoid, large (4x3mm) and few in number (Ref.
26185
,
53940
). Female is mouthbrooding (Ref.
13614
), but possibly variable biparental mouthbrooder (variably one of the parents or both incubate eggs)(Ref.
58527
).
Teugels, G.G.
, 1991. Pungu. p. 420. In J. Daget, J.-P. Gosse, G.G. Teugels and D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ISNB, Brussels; MRAC, Tervuren; and ORSTOM, Paris. Vol. 4. (Ref.
4998
)
IUCN Red List Status (Ref.
130435
)
Critically Endangered (CR)
(B1ab(iii)+2ab(iii)); Date assessed:
01 March 2007
CITES
Not Evaluated
Not Evaluated
Threat to humans
Harmless
Human uses
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Zoological Record
Estimates based on models
Phylogenetic diversity index (Ref.
82804
): PD
50
= 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01514 (0.00700 - 0.03275), b=2.97 (2.80 - 3.14), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245
).
Trophic level (Ref.
69278
): 2.7 ±0.30 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 (10 of 100).
Price category (Ref.
80766
):
Unknown
.
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