Classification / Names
Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa
Actinopteri (ray-finned fishes) > Siluriformes
(Catfishes) > Bagridae
Etymology: Rita: A vernacular name from Bangladesh; macracanthus: From the Greek makros, meaning long, and akantha, meaning thorn, in reference to the relatively long dorsal and pectoral spines of this species. Used as a noun.
Environment: milieu / climate zone / depth range / distribution range
Freshwater; benthopelagic. Subtropical
Asia: known from the Indus River drainage in Afghanisan, Pakistan, and northwestern India.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 26.3 cm SL male/unsexed; (Ref. 54793); 27.1 cm SL (female)
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Ng, H.H., 2004. Rita macracanthus, a new riverine catfish (Teleostei: Bagridae) from South Asia. Zootaxa 568:1-12. (Ref. 54793)
IUCN Red List Status (Ref. 123251)
CITES (Ref. 123416)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Phylogenetic diversity index (Ref. 82805
= 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00977 (0.00438 - 0.02182), b=3.00 (2.82 - 3.18), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic level (Ref. 69278
): 3.5 ±0.3 se; based on size and trophs of closest relatives
Resilience (Ref. 120179
): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Moderate vulnerability (43 of 100) .