Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) > Siluriformes
(Catfish) > Bagridae
Etymology: Sperata: After Mr. M.A. Sperat.
Environment / Climate / Range
Freshwater; brackish; demersal; potamodromous (Ref. 51243). Tropical; 39°N - 8°N
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 150 cm TL male/unsexed; (Ref. 4833); common length : 40.0 cm TL male/unsexed; (Ref. 4833)
soft rays: 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.
Asia: Afghanistan, Pakistan, India, Nepal and Bangladesh (Ref. 4833). Reported from Thailand (Ref. 37773) and Yunnan, China (Ref. 84139).
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).
Talwar, P.K. and A.G. Jhingran, 1991. Inland fishes of India and adjacent countries. Volume 2. A.A. Balkema, Rotterdam.
IUCN Red List Status (Ref. 90363)
Threat to humans
Fisheries: commercial; aquaculture: likely future use; gamefish: yes
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
CollaboratorsPicturesStamps, CoinsSoundsCiguateraSpeedSwim. typeGill areaOtolithsBrainsVision
Estimates of some properties based on empirical models
Phylogenetic diversity index (Ref. 82805
= 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00537 (0.00228 - 0.01266), b=3.12 (2.91 - 3.33), based on LWR estimates for this Subfamily-BS (Ref. 93245
Trophic Level (Ref. 69278
): 3.7 ±0.5 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278
): High, minimum population doubling time less than 15 months (Fec = 20,064).
Vulnerability (Ref. 59153
): Very high vulnerability (83 of 100) .