>
Characiformes (Characins) >
Alestidae (African tetras)
Eponymy: Frederick Otis Barton (1899–1992) was a wealthy American who was a deep-sea diver, inventor and actor. [...] (Ref. 128868), visit book page.
More on authors: Nichols & LaMonte.
Issue
Affinities: B. bartoni is similar to B. longipennis; the two are distinguished by predorsal scale counts; it is also similar to B. intermedius and B. tholloni but has fewer scales in transverse row between lateral line and dorsal fin origin (Ref. 80290).
Environment: milieu / climate zone / depth range / distribution range
البيئة
; المياه العذبة محيطي. Tropical
Africa: found in the Ngounié River, a tributary of the Ogowe River in Gabon (Ref. 80290) and in the Kouilou-Niari basin in the Republic of Congo (Ref. 92841).
الحجم / وزن / العمر
Maturity: Lm ? range ? - ? cm
Max length : 9.2 cm SL ذكر/ مختلط الجنس; (Ref. 80290); 7.4 cm SL (female)
Diagnosis: fronto-parietal fontanel narrow, pore-like, but present; head length/snout length 3.5; 34-35 lateral line scales; 5.5 scales between lateral line and dorsal fin; 13 predorsal scales; 18 anal fin branched rays; 12-14 gill rakers on lower limb of first gill arch; 6 teeth in outer premaxillary row (Ref. 80290).
Life cycle and mating behavior
النضج | التكاثر | وضع البيض | بيض | الخصوبة | Larvae
Paugy, D. and S.A. Schaefer, 2007. Alestidae. p. 347-411. In M.L.J. Stiassny, G.G. Teugels and C.D. Hopkins (eds.) Poissons d'eaux douces et saumâtres de basse Guinée, ouest de l'Afrique centrale/The fresh and brackish water fishes of Lower Guinea, west-central Africa. Vol. 1. Coll. Faune et Flore tropicales 42. Istitut de recherche pour le développement, Paris, France, Muséum nationale d'histoire naturelle, Paris, France and Musée royale de l'Afrique centrale, Tervuren, Belgique. 800 p. (Ref. 80290)
IUCN Red List Status (Ref. 130435: Version 2024-2)
في خطر (EN) (B1ab(iii)+2ab(iii)); Date assessed: 16 February 2009
استخدامات بشرية
أدوات
تقارير خاصة
Download XML
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=0.01122 (0.00496 - 0.02540), b=3.01 (2.83 - 3.19), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
مستوى غذائي (Ref.
69278): 3.1 ±0.3 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).
