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> 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 Ökologie

; süßwasser pelagisch. Tropical

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Africa: endemic to Lake Tanganyika, present in Lufuko River at Mpala (Ref. 42032, 94006) and in Lukuga River outflow (Ref. 97302).

Size / Gewicht / Alter

Maturity: L_m ? range ? - ? cm
Max length : 9.0 cm SL Männchen/unbestimmt; (Ref. 4967)

Kurzbeschreibung Bestimmungsschlüssel | Morphologie | Morphometrie

Rückenflossenstacheln (insgesamt) : 2; Rückenflossenweichstrahlen (insgesamt) : 8; Afterflossenstacheln: 3; Afterflossenweichstrahlen: 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 Maturities | Fortpflanzung | Spawnings | Egg(s) | Fecundities | Larven

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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 Rote Liste Status (Ref. 130435)

Daten mangelhaft (DD) ; Date assessed: 31 January 2006

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

Harmless

Nutzung durch Menschen

FAO - Publication: search | FishSource |

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 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

Widerstandsfähigkeit (Ref. 120179): hoch, Verdopplung der Population dauert weniger als 15 Monate. (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

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