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Siluriformes (Catfishes) >
Bagridae (Bagrid catfishes)
Etymology: Sperata: After Mr. M.A. Sperat.
Eponymy: Maria Adolfine Sperat was the late mother-in-law of author Maximilian Holly (q.v.) who had supported Holly’s studies with ‘great understanding’. (Also see Maria) (Ref. 128868), visit book page.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
; sötvatten; brackvatten bottenlevande; flodvandrande (Ref. 51243). Tropical; 39°N - 8°N
Asia: Afghanistan, Pakistan, India, Nepal and Bangladesh (Ref. 4833). Reported from Thailand (Ref. 37773) and Yunnan, China (Ref. 84139).
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 150 cm TL hane/ej könsbestämd; (Ref. 4833); common length : 40.0 cm TL hane/ej könsbestämd; (Ref. 4833)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 1; Mjukstrålar i ryggfenan (totalt) : 7; Taggstrålar i analfenan: 0; Mjukstrålar i analfenan: 11 - 12. Body elongate and compressed; snout broad and spatulate. Barbels extend posteriorly to pelvic fins or beyond to anal fin. Dorsal spine weakly serrated on its posterior edge; adipose fin base short, about as long as the rayed dorsal fin base. Color is brownish-gray on back, silvery on flanks and belly. A dark well-defined spot is on the adipose dorsal fin.
Body shape (shape guide): elongated; Cross section: oval.
Found in rivers, canals, beels, ditches, inundated fields and other freshwater areas. Adults fight well and provide good sport. Carnivore. Breeding occurs before the commencement of monsoons. Oviparous, distinct pairing possibly like other members of the same genus (Ref. 205).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Talwar, P.K. and A.G. Jhingran, 1991. Inland fishes of India and adjacent countries. Volume 2. A.A. Balkema, Rotterdam, i-xxii + 543-1158, 1 pl. (Ref. 4833)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
Fiskeri: kommersiell; Vattenbruk: trolig framtida användning; sportfisk: ja
Verktyg
Särskilda rapporter
Ladda ner XML
Internet-källor
Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref. 82804) |
PD50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00776 (0.00650 - 0.00927), b=2.91 (2.86 - 2.96), in cm total length, based on LWR estimates for this species (Ref. 93245). |
Trofisk nivå (Ref. 69278) |
3.8 ±0.1 se; based on size and trophs of closest relatives |
Resiliens (Ref. 120179) |
Hög, lägsta populationsfördubblingstid mindre än 15 månader (Fec = 20,064). |
Sårbarhet i fisket (Ref. 59153) |
Very high vulnerability (82 of 100). 🛈 |
Priskategori (Ref. 80766) |
Unknown.
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Näringsämnen (Ref. 124155) |
Calcium = 82.3 [25.9, 180.8] mg/100g; Iron = 0.933 [0.496, 1.681] mg/100g; Protein = 16.8 [15.2, 18.4] %; Omega3 = 0.116 [0.056, 0.243] g/100g; Selenium = 84.6 [43.7, 171.3] μg/100g; VitaminA = 12.4 [3.3, 41.2] μg/100g; Zinc = 0.333 [0.211, 0.550] mg/100g (wet weight); based on nutrient studies. |