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Siluriformes (Catfishes) >
Amblycipitidae (Torrent catfishes)
Etymology: Xiurenbagrus: Because of mister Ning Xiuren, Hangzhou, Institute of Oceanography; oceanographer and phytoplankton specialist; gigas: The specific name, gigas, means giant because it is the largest known species in the Amblycipitidae.
Eponymy: Gigas was a giant in Greek mythology, the child of Uranus and Gaea. The name is applied to taxa that are giants of their kind. (Ref. 128868), visit book page.
Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
; eau douce démersal. Tropical
Asia: Guangxi, China.
Taille / Poids / Âge
Maturité: Lm ? range ? - ? cm
Max length : 16.5 cm SL mâle / non sexé; (Ref. 54505)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Rayons mous dorsaux (Total) : 7; Rayons mous anaux: 14 - 15; Vertèbres: 40 - 43. Distinguished from all other species of Amblycipitidae by the following combination of characters: two patches of vomerine teeth; gill rakers 7-9; head large (head length 27.9%-34.9% SL; head depth 14.4-17.9% SL; and head width 22.4-29.4% SL; adipose fin low (4.6-6.0% SL); distance from dorsal origin to adipose origin short (25.7-32.0% SL); dorsal fin (21.2-24.9%SL), pectoral fin (18.4-20.7% SL) and pelvic fin (13.1-14.3% SL) long (Ref. 54505).
Body shape (shape guide): elongated.
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Zhao, Y., J. Lan and C. Zhang, 2004. A new species of amblycipitid catfish, Xiurenbagrus gigas (Teleostei: Siluriformes), from Guangxi, China. Ichthyol. Res. 51:228-232. (Ref. 54505)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2 (Global))
Menace pour l'homme
Harmless
Utilisations par l'homme
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Estimations basées sur des modèles
Indice de diversité phylogénétique (Réf.
82804): PD
50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00661 (0.00312 - 0.01398), b=3.00 (2.82 - 3.18), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Niveau trophique (Réf.
69278): 3.3 ±0.4 se; based on size and trophs of closest relatives
Vulnérabilité de la pêche (Ref.
59153): Low vulnerability (10 of 100).
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