Classification / Names
Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa
Teleostei (teleosts) >
Siluriformes (Catfishes) >
Sisoridae (Sisorid catfishes) > Glyptosterninae
Etymology: Exostoma: Greek, exos = outside + Greek, stoma = mouth (Ref. 45335); gaoligongense: Named for the Gaoligong Mountain in which the type locality is located, an adjective..
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; demersal. Tropical
Asia: China (four tributaries of the Salween River drainage in Yunnan).
Size / Weight / Age
Maturity: Lm ? range ? - ? cm
Max length : 7.7 cm SL male/unsexed; (Ref. 118107)
Short description
Identification keys | Morphology | Morphometrics
This species is distinguished by the following characters: adipose fin is confluent with the emarginate caudal fin; pectoral fin extending to the vicinity of dorsal-fin origin; pelvic fin reaching anus, gill opening extending to the ventral surface of the body, nasal barbels reaching or surpassing anterior edge of eye; maxillary barbels just reaching or slightly surpassing pectoral-fin origin, branched pectoral-fin rays 9-11; abdominal vertebrae 23-25; snout length 39.7%-53.3% HL; length of dorsal-fin base 8.3%-12.1% SL, length of anal fin 13.1%-15.8% SL, length of adipose-fin base 31.7%-45.2% SL; caudal-peduncle length 18.8%-22.3% SL, caudal-peduncle depth 7.3%-10.8% SL, body depth at anus 1.3%-16.9% SL; nterorbital width 27.5%-35.1% HL, length of dorsal fin/dorsal to adipose distance 90.3%-287.0%, anal to caudal distance/pelvic to anal distance 88.2%-116.7% (Ref. 118107).
Life cycle and mating behavior
Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larvae
Chen, X.-Y., W.J. Poly, D. Catania and W.-S. Jiang, 2017. A new species of sisorid catfish of the genus Exostoma from the Salween drainage, Yunnan, China. Zool. Res. 38(5):291-299. (Ref. 118107)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = No PD50 data [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00589 (0.00260 - 0.01333), b=3.08 (2.88 - 3.28), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.1 ±0.4 se; based on size and trophs of closest relatives
Resilience (Ref.
120179): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
