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Oxynoemacheilus zarzianus Freyhof & Geiger, 2017

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Teleostei (teleosts) > Cypriniformes (Carps) > Nemacheilidae (Brook loaches)
Etymology: zarzianus: Named for the Zarzian culture, an archaeological culture of late Paleolithic and Mesolithic in Kurdistan. An adjective..

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

Freshwater; demersal. Subtropical

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

Asia: Lesser Zab drainage, Iraq.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 7.5 cm SL male/unsexed; (Ref. 115565)

Short description Identification keys | Morphology | Morphometrics

Dorsal soft rays (total): 8; Anal soft rays: 5. Oxynoemacheilus zarzianus can be diagnosed from all its congeners in Tigris drainage by a combination of non-unique characters: a member of the species group (Oxynoemacheilus chomanicus, O. frenatus, O. gyndes; O. hazarensis, O. kentritesensis, O. kiabii, O. zagrosensis) which have no suborbital groove in males (vs. present in O. bergainus, O.. euphraticus; O. hanae, O. longipinnis, O. karunensis, O. kurdistanicus and O. parvinae) and slightly emarginate or truncate caudal fin (deeply emarginate or forked in O. chomanicus, O. frenatus, O. gyndes; O. hazarensis, O. kentritesensis, O. kiabii, O. zagrosensis) which have no suborbital groove in males (vs. present in O. bergainus, O.. euphraticus; O. hanae, O. longipinnis, O. bergainus, O. euphraticus; O. hanae, O. longipinnis, O. karunensis, O. kurdistanicus and O. parvinae) (Ref. 115565).

Biology     Glossary (e.g. epibenthic)

Life cycle and mating behavior Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larvae

Main reference Upload your references | References | Coordinator | Collaborators

Freyhof, J. and M. Geiger, 2017. Oxynoemacheilus zarzianus, a new loach from the Lesser Zab River drainage in Iraqi Kurdistan (Teleostei: Nemacheilidae). Zootaxa 4273(2):258-270. (Ref. 115565)

IUCN Red List Status (Ref. 130435)

  Not Evaluated 

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

FAO - Publication: search | FishSource |

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Internet sources

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: genus, species | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genome, nucleotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia: Go, Search | World Records Freshwater Fishing | Zoobank | 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=0.00724 (0.00339 - 0.01546), b=3.01 (2.84 - 3.18), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245).
Trophic level (Ref. 69278):  2.8   ±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.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).