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Siluriformes (Catfishes) >
Bagridae (Bagrid catfishes)
Etymology: Tachysurus: Greek, tachys, -eia, y = quick + Greek, oura = tail (Ref. 45335); wuyueensis: Name based on the two rival states Wu and Yue which were bordered by the Qiantang-Jiang in southeast China more than 2000 years ago. The onomatopoeic Chinese sound of this species is 'Wu Yue Ni Chang'.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
; sötvatten bottenlevande. Temperate
Asia: China.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 12.4 cm SL hane/ej könsbestämd; (Ref. 130972)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 1; Mjukstrålar i ryggfenan (totalt) : 7; Taggstrålar i analfenan: 0; Mjukstrålar i analfenan: 21 - 25; Ryggkotor: 45 - 47. This species is distinguished from its congeners by the following set of characters: pectoral-fin spine with a smooth anterior margin; maxillary barbels short not extending beyond the base of the pectoral-fin spine; dorsal spine short not exceeding two-thirds of head length; prepelvic length 40.0-46.4% SL; vertebrae 45-47; A 21-25; body depth 10.1-13.5% SL; caudal fin slightly emarginated (Ref. 130972),
Cross section: circular.
Occurs in mountain streams of the river basin where it is found. Associated species include Acrossocheilus fasciatus, Pseudogastromyzon fasciatus, Rhinogobius niger and Tachysurus albomarginatus (Ref. 130972).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Zhou, J.-J., L.-Y. Yuan and W.-H. Shao, 2024. Tachysurus wuyueensis (Teleostei, Bagridae), a new species of catfish from the Qiantang-Jiang basin, southeast China. Zoosyst. Evol. 100(2):583-595. (Ref. 130972)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
Fiskeri: saknar intresse
Verktyg
Särskilda rapporter
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Internet-källor
Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref. 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=0.01000 (0.00466 - 0.02144), b=2.92 (2.75 - 3.09), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245). |
Trofisk nivå (Ref. 69278) |
3.5 ±0.4 se; based on size and trophs of closest relatives |
Resiliens (Ref. 120179) |
Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.). |
Sårbarhet i fisket (Ref. 59153) |
Low vulnerability (25 of 100). 🛈 |