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Characiformes (Characins) >
Alestidae (African tetras)
Etymology: Micralestes: Greek, mikros = small + Greek,lestes = thief (Ref. 45335).
Eponymy: Lieutenant Maurice Joseph Auguste Marie Raphael Storms (1875–1941) is described in Boulenger’s cryptic etymology as “…a cousin of the late Raymond Storms, so well-known for his important contributions to paleoichthyology”. [...] (Ref. 128868), visit book page.
More on author: Boulenger.
Environment: milieu / climate zone / depth range / distribution range
البيئة
; المياه العذبة محيطي; pH range: 6.0 - 7.6; dH range: 18 - 25. Tropical; 22°C - 26°C (Ref. 2059)
Africa: widely distributed in the Congo River basin (Ref. 42032) in Central African Republic (Ref. 45441) and Democratic Republic of the Congo (Ref. 42032). Also reported from the Rusizi and Malagarasi in Burundi (Ref. 98755), the Lake Chad basin in Central African Republic (Ref. 83569) and the Lake Tanganyika basin in Tanzania (Ref. 4967).
الحجم / وزن / العمر
Maturity: Lm ? range ? - ? cm
Max length : 10.0 cm SL ذكر/ مختلط الجنس; (Ref. 4967)
الأشواك الظهرية (المجموع) : 2; الأشعة الظهرية الناعمة (المجموع) : 8; شوكة شرجية: 3; أشعه شرجية لينه: 15 - 16. Body height 2.9-3.9 times in standard length (Ref. 42032). Head length 3.7-3.9 times in standard length (Ref. 42032). Cuspid number: external row on upper jaw 5-6, internal row on upper jaw 6-8, external row on lower jaw 5-8, internal row on lower jaw 1 (Ref. 42032). Weakly developed black mediolateral band in front of the pelvic fins but more expressed to the back of the body (Ref. 42032). Mediolateral band silvery in live specimens (Ref. 42032). Fins without black spot (Ref. 42032).
Inhabits lakes (Ref. 4967).
Life cycle and mating behavior
النضج | التكاثر | وضع البيض | بيض | الخصوبة | Larvae
Paugy, D., 1984. Characidae. p. 140-183. In J. Daget, J.-P. Gosse and D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ORSTOM, Paris and MRAC, Tervuren. Vol. 1. (Ref. 5331)
IUCN Red List Status (Ref. 130435: Version 2024-2)
استخدامات بشرية
أدوات
تقارير خاصة
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مصادر علي الأنترنت
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=0.01072 (0.00484 - 0.02371), b=3.02 (2.84 - 3.20), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
مستوى غذائي (Ref.
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
المرونه (Ref.
120179): عالي, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع أقل من 15 شهر (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
