Actinopteri (ray-finned fishes) > Siluriformes
(Catfishes) > Bagridae
Etymology: Rita: A vernacular name from Bangladesh. More on author: Hamilton.
Environment: milieu / climate zone / depth range / distribution range
Freshwater; brackish; demersal; pH range: 6.5 - 8.0; dH range: ? - 30; potamodromous (Ref. 51243); depth range - m (Ref. ), usually - m (Ref. ). Tropical; 18°C - 26°C (Ref. 13614)
Asia: Afghanistan, Pakistan, India, Nepal, Bangladesh and Myanmar.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 150 cm TL male/unsexed; (Ref. 4833)
Inhabits rivers and estuaries, preferably muddy to clear water (Ref. 1479). Prefers backwater of quiet eddies (Ref. 12045). Feeds on insects, mollusks, shrimps and fishes (Ref. 1479). A very good food fish.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Talwar, P.K. and A.G. Jhingran, 1991. Inland fishes of India and adjacent countries. Volume 2. A.A. Balkema, Rotterdam. (Ref. 4833)
IUCN Red List Status (Ref. 124695)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
Estimates based on models
Phylogenetic diversity index (Ref. 82805
= 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00603 - 0.01658), b=3.01 (2.87 - 3.15), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245
Trophic level (Ref. 69278
): 3.7 ±0.57 se; based on food items.
Resilience (Ref. 120179
): Very Low, minimum population doubling time more than 14 years (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Very high vulnerability (83 of 100) .
Nutrients (Ref. 124155
): Calcium = 177 [79, 418] mg/100g ; Iron = 2.72 [1.43, 5.70] mg/100g ; Protein = 17.1 [15.6, 18.6] % ; Omega3 = 0.25 [0.08, 0.70] g/100g ; Selenium = 109 [48, 240] μg/100g ; VitaminA = 10.5 [3.5, 31.7] μg/100g ; Zinc = 3.46 [1.74, 5.72] mg/100g (wet weight); based on nutrient studies.