Classificazione / Nomi
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Siluriformes (Catfishes) >
Claroteidae (Claroteid catfishes)
Etymology: Chrysichthys: Greek, chrysos = golden + Greek, ichthys = fish (Ref. 45335); acsiorum: The specific name is a genitive noun recognizing the men and women engaged in achieving the goals of the All Catfish Species Inventory (ACSI) and specifically honoring its principal coordinators (Ref. 75075).
Eponymy: ACSI stands for All Catfish Species Inventory. The Chrysichthys acsiorum binomial is to honour all those who are involved in achieving ACSI’s objectives. (Ref. 128868), visit book page.
Ambiente: milieu / zona climatica / distribuzione batimetrica / gamma di distribuzione
Ecologia
; acqua dolce demersale. Tropical
Africa: endemic to Lake Tanganyika, only known from the type locality (Ref. 75075).
Dimensione / Peso / Età
Maturità: Lm ?  range ? - ? cm
Max length : 24.3 cm SL maschio/sesso non determinato; (Ref. 75075)
Spine dorsali (totale) : 1; Raggi dorsali molli (totale) : 6; Spine anali: 0; Raggi anali molli: 11 - 12. Diagnosis: postcleithral process weakly expressed or absent; upper jaw extending beyond lower jaw; 14-16 gill-rakers on first arch; premaxillary and palatal toothplates with small and tightly packed teeth; vomerine toothplates widely separated and narrower than those on pterygoids; supraoccipital broad and contacting predorsal plate; body width at pectoral fin insertions 4.9-5.3 times in standard length; interorbital width 3.0-4.1 times in head length; distance between posterior nares 4.0-4.8 times in head length; maxillary barbels 4.1-5.5 times in standard length; distance between posterior margins of adipose fin and hypural plate 5.1-6.0 times in standard length (Ref. 75075).
Body shape (shape guide): elongated.
Caught at a depth of approximately 30 m (Ref. 75075).
Ciclo vitale e comportamento di accoppiamento
Maturità | Riproduzione | Deposizione | Uova | Fecondità | Larve
Hardman, M., 2008. A new species of catfish genus Chrysichthys from Lake Tanganyika (Siluriformes: Claroteidae). Copeia 2008(1):43-56. (Ref. 75075)
Stato della Lista Rossa IUCN (Ref. 130435: Version 2025-2 (Global))
Minaccia per l'uomo
Harmless
Usi umani
Strumenti
Rapporti speciali
Scarica XML
Fonti Internet
Stime basate su modelli
Indice di diversità filogenetica (Fonte Biblio. 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01047 (0.00458 - 0.02392), b=2.98 (2.80 - 3.16), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245). |
Livello trofico (Fonte Biblio. 69278) |
3.3 ±0.4 se; based on size and trophs of closest relatives |
Resilienza (Fonte Biblio. 120179) |
Alto, tempo minimo di raddoppiamento della popolazione meno di 15 mesi (Preliminary K or Fecundity.). |
Vulnerabilità della pesca (Ref. 59153) |
Low to moderate vulnerability (27 of 100). 🛈 |