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Cypriniformes (Carps) >
Nemacheilidae (Brook loaches)
Etymology: parvinae: Named for Parvin E'tesami, also Parvin Etesami, a 20th-century famous Persian poet of Iran.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
; sötvatten bottenlevande. Subtropical
Asia: Sirvan River drainage, Tigris river basin in Iran.
Storlek / Vikt / Ålder
Könsmognad: Lm ? range ? - ? cm
Max length : 6.4 cm SL hane/ej könsbestämd; (Ref. 115530)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Oxynoemacheilus parvinae is distinguished from other congeners in Tigris River drainage by a combination of the following characters: dorsal fin with 8½-9½ branched rays (vs. 7½-8½ in O. bergianus, 8½ in O. longipinnis, 9½-10½ in O. karunensis); large to medium dark-brown spots especially on the post-dorsal part in some individuals independent of size and sexual dimorphism (vs. pale body pattern in O. longipinnis, small and more regular bar like in O. bergianus and O. karunensis); caudal fin slightly to deeply emarginated (vs. deeply emarginated to forked in O. longipinnis); and angular shape of bony capsule of swim bladder with developed posterior process. It also differs from O. karunensis by the lack of two prominent black spots at the caudal-fin base (vs. presence) (Ref. 115530).
Body shape (shape guide): elongated.
The river at the Sefidbarg sampling site measures 5 m wide, with substrate consisting of coarse gravel and small boulders, and semi fast-flowing and semi-transparent waters. The riverbanks are composed of some vegetation (Ref. 115530).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Sayyadzadeh, G., S. Eagderi and H.R. Esmaeili, 2016. A new loach of the genus Oxynoemacheilus from the Tigris River drainage and its phylogenetic relationships among the nemacheilid fishes (Teleostei: Nemacheilidae) in the Middle East based on mtDNA COI. Iranian Journal of Ichthyology 3(4):236-250. (Ref. 115530)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
Fiskeri: saknar intresse
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Särskilda rapporter
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Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00741 (0.00347 - 0.01582), b=3.01 (2.84 - 3.18), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 2.8 ±0.3 se; based on size and trophs of closest relatives
Resiliens (Ref.
120179): Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Preliminary K or Fecundity.).
Sårbarhet i fisket (Ref.
59153): Low vulnerability (10 of 100).
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