Classification / Names
Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa
Teleostei (teleosts) >
Siluriformes (Catfishes) >
Sisoridae (Sisorid catfishes) > Sisorinae
Etymology: Erethistes: Greek, erethizo = that irritates (Ref. 45335); nareshi: Named for Dr. Naresh Chandra Datta, former professor and head of the Department of Zoology, University of Calcutta.
Eponymy: Dr Naresh Chandra Datta (1934–2018) was an Indian ichthyologist who was Professor and Head of the Department of Zoology, University of Calcutta. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; demersal. Tropical
Asia: Katakhal River in Assam, India.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 2.5 cm SL male/unsexed; (Ref. 101395)
Short description
Identification keys | Morphology | Morphometrics
Dorsal spines (total): 1; Dorsal soft rays (total): 5 - 6; Anal soft rays: 8 - 9. Erethistes nareshi is diagnosed by possessing the following unique combination of characters: rayed dorsal fin with a strong spine serrated along both the sides; pectoral fins equal to head with a strong flattened spine; pectoral spine serrated anteriorly, denticulated posteriorly; serration on outer edge directed towards tip and teeth on innder edge directed towards base; caudal fin deeply forked, uper lobe with an elongated filament (Ref. 101395).
Inhabits streams (Ref. 101395).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Mahapatra, B.K. and S. Kar, 2015. Hara nareshi, a new species of catfish (Pisces: Erethistidae) from the Barak River system of Assam, India. Rec. Zool. Surv. India 115:31-35. (Ref. 101395)
IUCN Red List Status (Ref. 130435: Version 2024-1)
Threat to humans
Harmless
Human uses
Tools
Special reports
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Internet sources
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01096 (0.00423 - 0.02842), b=3.03 (2.81 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.0 ±0.4 se; based on size and trophs of closest relatives
Resilience (Ref.
120179): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).