Classification / Names
Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa
Teleostei (teleosts) >
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.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; demersal. Tropical
Asia: Guangxi, China.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 16.5 cm SL male/unsexed; (Ref. 54505)
Short description
Identification keys | Morphology | Morphometrics
Dorsal soft rays (total): 7; Anal soft rays: 14 - 15; Vertebrae: 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).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
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)
IUCN Red List Status (Ref. 130435: Version 2024-1)
Threat to humans
Harmless
Human uses
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Internet sources
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00661 (0.00317 - 0.01379), b=3.00 (2.82 - 3.18), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.3 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).