Classification / Names
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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.
More on author: Hamilton.
Environment: milieu / climate zone / depth range / distribution range
पारिस्थितिकी
; स्वच्छ जल, अलवण जल ड़िमरसल; पोटामोड़िरोमस (Ref. 51243). Tropical
Asia: Pakistan, India, Nepal, Bangladesh and upper Myanmar.
आकार / वज़न / Age
Maturity: Lm ?  range ? - ? cm
Max length : 180 cm TL पुल्लिंग / अलिंग; (Ref. 4833); common length : 100.0 cm TL पुल्लिंग / अलिंग; (Ref. 4833)
Found in rivers, ponds, lakes, channels and reservoirs (Ref. 4833). Predatory, adults feed on small fishes and worms (Ref. 44149). Oviparous, distinct pairing possibly like other members of the same genus (Ref. 205).
Life cycle and mating behavior
परिपक्व अवधि | पुनरुत्पत्ति | मछलीऔ का अंडे देना | अंडे | Fecundity | लार्वा
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)
IUCN Red List Status (Ref. 130435: Version 2024-1)
Threat to humans
Harmless
Human uses
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इंटरनेट स्रोत
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00759 (0.00602 - 0.00955), b=2.91 (2.85 - 2.97), in cm total length, based on LWR estimates for this species (Ref.
93245).
Trophic level (Ref.
69278): 3.6 ±0.53 se; based on food items.
लौटाव (Ref.
120179): माध्यम, न्यूनतम जनसंख्या दुगनी होने का समय 1.4 - 4.4 वर्ष। (K=0.23, assuming Fec > 10,000).
Fishing Vulnerability (Ref.
59153): Very high vulnerability (90 of 100).
Nutrients (Ref.
124155): Calcium = 48.6 [17.3, 139.4] mg/100g; Iron = 1.17 [0.61, 2.28] mg/100g; Protein = 17.6 [16.0, 19.3] %; Omega3 = 0.335 [0.106, 0.979] g/100g; Selenium = 118 [48, 267] μg/100g; VitaminA = 20.7 [4.7, 81.5] μg/100g; Zinc = 0.328 [0.203, 0.608] mg/100g (wet weight); based on
nutrient studies.