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Characiformes (Characins) >
Alestidae (African tetras)
Etymology: Hydrocynus: Greek, hydr = water + Greek, kyon = dog (Ref. 45335).
Eponymy: Goliath of Gath (about 1,030 BC) was a Philistine warrior of giant size who was killed with a slingshot by David, later King of the Jews (see 1 Samuel XVII. [...] (Ref. 128868), visit book page.
More on author: Boulenger.
Ambiente: milieu / zona climatica / distribuzione batimetrica / gamma di distribuzione
Ecologia
; acqua dolce pelagico; pH range: 6.5 - 7.5; dH range: ? - 25. Tropical; 23°C - 26°C (Ref. 2060)
Africa: Congo River basin, from the marine lower Congo (Ref. 51114) up to the upper Lualaba (Ref. 2970), in Democratic Republic of the Congo and Republic of Congo. Also reported from Lake Tanganyika (Ref. 4967).
Dimensione / Peso / Età
Maturità: Lm ?  range ? - ? cm
Max length : 133 cm FL maschio/sesso non determinato; (Ref. 40637); peso massimo pubblicato: 50.0 kg (Ref. 4537)
Breve descrizione
Chiavi di identificazione | Morfologia | Morfometria
Inhabits lakes and large rivers (Ref. 4967).
Ciclo vitale e comportamento di accoppiamento
Maturità | Riproduzione | Deposizione | Uova | Fecondità | Larve
Robins, C.R., R.M. Bailey, C.E. Bond, J.R. Brooker, E.A. Lachner, R.N. Lea and W.B. Scott, 1991. World fishes important to North Americans. Exclusive of species from the continental waters of the United States and Canada. Am. Fish. Soc. Spec. Publ. (21):243 p. (Ref. 4537)
Stato della Lista Rossa IUCN (Ref. 130435: Version 2025-2 (Global))
Minaccia per l'uomo
Harmless
Usi umani
Pesca: commerciale; Pesce da pesca sportiva: si
Strumenti
Rapporti speciali
Scarica XML
Fonti Internet
Stime basate su modelli
Indice di diversità filogenetica (Fonte Biblio.
82804): PD
50 = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01072 (0.00491 - 0.02339), b=3.02 (2.84 - 3.20), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Livello trofico (Fonte Biblio.
69278): 3.8 ±0.6 se; based on size and trophs of closest relatives
Resilienza (Fonte Biblio.
120179): Basso, tempo minimo di raddoppiamento della popolazione 4.5 - 14 anni (Preliminary K or Fecundity.).
Vulnerabilità della pesca (Ref.
59153): Very high vulnerability (89 of 100).
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Nutrienti (Ref.
124155): Calcium = 45 [19, 111] mg/100g; Iron = 1.41 [0.72, 3.77] mg/100g; Protein = 19.6 [17.4, 21.9] %; Omega3 = 0.448 [0.165, 1.278] g/100g; Selenium = 59.7 [23.4, 133.7] μg/100g; VitaminA = 40.6 [11.6, 141.4] μg/100g; Zinc = 1 [1, 2] mg/100g (wet weight);