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Paracobitis rhadinaea (Regan, 1906)

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drawing shows typical species in Nemacheilidae.

Iran country information

Common names: [No common name]
Occurrence: native
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Sistan, Caspian Sea and Tedzhen River basins (Ref. 39702). Also Ref. 97574.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/ir.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Coad, B.W., 1995
National Database:

Common names from other countries

Helmandi hinktrulling, Mřenka helmandská, ... more

Classification / Names Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa

Teleostei (teleosts) > Cypriniformes (Carps) > Nemacheilidae (Brook loaches)
Etymology: Paracobitis: Greek, para = the side of + Greek, kobitis, -idos = a kind of sardine; also related with the voice Greek, kobios, Latin gobius = gudgeon (Ref. 45335).
  More on author: Regan.

Environment: milieu / climate zone / depth range / distribution range Ecology

Freshwater; demersal.   Subtropical

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Asia: Sistan basin in Iran and Helmand River in Afghanistan (Ref. 97574). Reported from Zhob river drainage (Ref. 39701).

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 23.6 cm SL male/unsexed; (Ref. 97574)

Short description Morphology | Morphometrics

Distinguished from other epigean species Paracobitis in the Middle East by a combination of non-unique characters: body completely scaled (vs. scales absent or restricted to posterior flank behind origin of dorsal fin in all other congeners in the Middle East except P. longicauda), midlateral row of blotches on flank posterior to base of dorsal fin irregularly set and shaped large dark-brown (vs. irregularly set, small dark-brown blotches or short bars not forming a midlateral row in P. longicauda), caudal fin slightly emarginate or truncate (vs. deeply emarginate or slightly forked in P. vignai) and posterior nare opening is slit-shaped (vs. ovoid or roundish in all congeners except P. rhadinaea and P. vignai).

Biology     Glossary (e.g. epibenthic)

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator | Collaborators

Freyhof, J., H.R. Esmaeili, G. Sayyadzadeh and M. Geiger, 2014. Review of the crested loaches of the genus Paracobitis from the Iran and Iraq with the description of four new species (Teleostei: Nemacheilidae). Ichthyol. Explor. Freshwat. 25(1):11-38. (Ref. 97574)

IUCN Red List Status (Ref. 130435)

  Not Evaluated 

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless




Human uses

FAO(Publication : search) | FishSource |

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Summary page | Point data | Common names | Photos

Internet sources

Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes(genus, species) | DiscoverLife | ECOTOX | Faunafri | Fishtrace | GenBank(genome, nucleotide) | GloBI | GOBASE | | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Scirus | SeaLifeBase | Tree of Life | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoological Record

Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00813 (0.00436 - 0.01515), b=3.00 (2.85 - 3.15), in cm Total Length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).
Trophic level (Ref. 69278):  2.6   ±0.3 se; based on size and trophs of closest relatives
Resilience (Ref. 120179):  Very Low, minimum population doubling time more than 14 years (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (19 of 100).