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Micralestes vittatus : fisheries
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drawing shows typical species in Alestidae.
Teleostei (teleosts) >
Characiformes
(Characins) >
Alestidae
(African tetras)
Etymology:
Micralestes:
Greek, mikros = small + Greek,lestes = thief (Ref.
45335
)
.
More on author:
Boulenger
.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; pelagic. Tropical
Africa: endemic to Lake Tanganyika, present in Lufuko River at Mpala (Ref.
42032
,
94006
) and in Lukuga River outflow (Ref.
97302
).
Size / Weight / Age
Maturity: L
m
 
?
  range ? - ? cm
Max length : 9.0 cm SL male/unsexed; (Ref.
4967
)
Short description
Morphology
|
Morphometrics
Dorsal
spines
(total): 2;
Dorsal
soft rays
(total): 8;
Anal
spines
: 3;
Anal
soft rays
: 15 - 18. Body height 3.35-3.6 times in standard length (Ref.
42032
). Head length 3.95-4.1 times in standard length (Ref.
42032
). Cuspid number: on external row of upper jaw 3-5, on internal row of upper jaw 5-8, on external row of lower jaw 5-7, on internal row of lower jaw 1 (Ref.
42032
). Black mediolateral band starting behind the operculum and quickly enlarging towards the back, ending at the origin of the caudal fin (Ref.
42032
). Mediolateral band silvery in live specimens (Ref.
42032
). Fins without black spot (Ref.
42032
).
Inhabits rivers and lagoons (Ref.
4967
). Water beetles, insect remains, pieces of weed, algae, sand grains and debris found in stomach (Ref.
36899
).
Life cycle and mating behavior
Maturity
|
Reproduction
|
Spawning
|
Eggs
|
Fecundity
|
Larvae
Eccles, D.H.
, 1992. FAO species identification sheets for fishery purposes. Field guide to the freshwater fishes of Tanzania. Prepared and published with the support of the United Nations Development Programme (project URT/87/016). FAO, Rome. 145 p. (Ref.
4967
)
IUCN Red List Status (Ref.
130435
)
Data deficient (DD)
; Date assessed:
31 January 2006
CITES
Not Evaluated
Not Evaluated
Threat to humans
Harmless
Human uses
Fisheries:
FAO - Publication:
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Zoological Record
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=0.01148 (0.00528 - 0.02495), b=3.00 (2.82 - 3.18), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245
).
Trophic level (Ref.
69278
): 3.1 ±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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Page last modified by :
mrius-barile
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