Classification / Names
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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.
Environment: milieu / climate zone / profondeur / distribution range
Écologie
; eau douce démersal. Tropical
Africa: endemic to Lake Tanganyika, only known from the type locality (Ref. 75075).
Taille / Poids / Âge
Maturité: Lm ? range ? - ? cm
Max length : 24.3 cm SL mâle / non sexé; (Ref. 75075)
Épines dorsales (Total) : 1; Rayons mous dorsaux (Total) : 6; Épines anales: 0; Rayons mous anaux: 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).
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Hardman, M., 2008. A new species of catfish genus Chrysichthys from Lake Tanganyika (Siluriformes: Claroteidae). Copeia 2008(1):43-56. (Ref. 75075)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2024-2)
Menace pour l'homme
Harmless
Utilisations par l'homme
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Estimates based on models
Phylogenetic diversity index (Réf.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01047 (0.00456 - 0.02402), b=2.98 (2.80 - 3.16), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Niveau trophique (Réf.
69278): 3.3 ±0.4 se; based on size and trophs of closest relatives
Résilience (Réf.
120179): Haut, temps minimum de doublement de population inférieur à 15 mois (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (20 of 100).
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