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Tropheus duboisi : fisheries, aquarium
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Tropheus duboisi
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Teleostei (teleosts) >
Cichliformes
(Cichlids, convict blennies) >
Cichlidae
(Cichlids) > Pseudocrenilabrinae
Etymology:
Tropheus:
Greek, tropaion = defeat, a memorial of a fighting war, trophy; because of their specialized teeth were such an obvious feeding adaptation (Ref.
45335
)
.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; demersal; pH range: 8.5 - 9.0; dH range: 10 - 12. Tropical; 24°C - 26°C (Ref.
1672
); 3°S - 6°S
Africa: endemic to Lake Tanganyika, patchy distribution in the northern part of the lake (Ref.
6770
,
46829
,
97323
).
Size / Weight / Age
Maturity: L
m
 
?
  range ? - ? cm
Max length : 12.0 cm TL male/unsexed; (Ref.
5713
)
Prefers the upper rocky habitat where it feeds on the algae attached to the rocks (Ref.
7343
,
46829
). Occurs to a depth of 30 m; maternal mouthbrooder; females guard their offspring for a few days after releasing them for first time (Ref.
46829
). Aquarium keeping: many females for one male; minimum aquarium size 150 cm (Ref.
51539
).
Life cycle and mating behavior
Maturity
|
Reproduction
|
Spawning
|
Eggs
|
Fecundity
|
Larvae
Produces 5-15 eggs.
Konings, A.
, 1998. Tanganyika cichlids in their natural habitat. Cichlid Press. 272 p. (Ref.
46829
)
IUCN Red List Status (Ref.
130435
)
Vulnerable (VU)
(D2); Date assessed:
31 January 2006
CITES
Not Evaluated
Not Evaluated
Threat to humans
Harmless
Human uses
Fisheries: ; aquarium: commercial
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Estimates based on models
Phylogenetic diversity index (Ref.
82804
): PD
50
= 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01905 (0.00827 - 0.04391), b=3.01 (2.82 - 3.20), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245
).
Trophic level (Ref.
69278
): 3.3 ±0.4 se; based on size and trophs of closest relatives
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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mrius-barile
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