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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
বাস্তুসংস্থান
; স্বাদু পানি তলদেশ বিহারী; পোটামোড্রোমাস (Ref. 51243). Tropical
Asia: Pakistan, India, Nepal, Bangladesh and upper Myanmar.
আকৃতি / ওজন / Age
Maturity: Lm ?  range ? - ? cm
Max length : 180 cm TL পুরুষ/ লিঙ্গ অনিধর্ারিত ; (Ref. 4833); common length : 100.0 cm TL পুরুষ/ লিঙ্গ অনিধর্ারিত ; (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
পরিপক্কতা | প্রজনন | ডিম ছাড়া | ডিমসমূহ | ডিম্বধারন ক্ষমতা | শুককীট
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
মৎস্য: বাণিজ্যিক; শিকারযোগ্য মাছ: হঁ্যা
হাতিয়ার
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ইন্টারনেট সুত্র
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).
ট্রফিক পর্যায়ে (Ref.
69278): 3.6 ±0.53 se; based on food items.
স্থিতিস্থাপক (Ref.
120179): মাধ্যম , সর্বনিম্ন প্রজন দ্বিগুনের সময় ১.৪-৪.৪ বৎসর (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.