Morocco country information

Common names: Zayan barbel
Occurrence: endemic
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: live export: yes;
Comments: Type locality of the holotype of Luciobarbus zayanensis: 'Chbouka River, Oum er Rbia Basin, El Herri (Elhri), Atlantic slope in Morocco (32.859510, -5.621355)' (Ref. 107618). Known from Oum er Rbia River (Ref. 107618).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/mo.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Doadrio, I., M. Casal-López, S. Perea and A. Yahyaoui, 2016
National Database:

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> Cypriniformes (Carps) > Cyprinidae (Minnows or carps) > Barbinae
Etymology: zayanensis: The species name zayanensis has been selected because it is mainly distributed around Middle Atlas region, in the area inhabited by the Zayanes shepherds (Ref. 107618).

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

; süßwasser benthopelagisch. Subtropical

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Africa: Oum er Rbia River basin in Morocco (Ref. 107618).

Size / Gewicht / Alter

Maturity: L_m ? range ? - ? cm
Max length : 17.8 cm SL Männchen/unbestimmt; (Ref. 107618)

Kurzbeschreibung Bestimmungsschlüssel | Morphologie | Morphometrie

Rückenflossenstacheln (insgesamt) : 0; Rückenflossenweichstrahlen (insgesamt) : 11 - 13; Afterflossenstacheln: 0; Afterflossenweichstrahlen: 8; Wirbelzahl: 41 - 43. Diagnosis: This species differs from other species of Luciobarbus by the following combination of characters: 49-53 scales along the lateral line, 8.5-9.5 scales above lateral line, and 5.5-7.5 scales below lateral line; the last single ray of the dorsal fin is strongly ossified with a maximum width of 12-14.5% of its length; the last single dorsal fin ray is densely denticulate along its length and, in adults, the number of denticulations is maller than 23; the skull is narrow, with the width of the ethmoid bone smaller than its length; the inter-orbital distance is 1.2-1.9 times eye diameter; the pharyngeal teeth formula in adults is 4.3.2; the number of vertebrae is 41-43; large deep caudal peduncle 2.1-2.6% of anal peduncle length; and lachrymal bone with narrow posterior segment, a manubrium (Ref. 107618).

Found in riffle areas in headwaters of large rivers (Ref. 107618). Spawning takes place from late April to early May (Ref. 107618).

Life cycle and mating behavior Maturities | Fortpflanzung | Spawnings | Egg(s) | Fecundities | Larven

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Doadrio, I., M. Casal-López, S. Perea and A. Yahyaoui, 2016. Taxonomy of rheophilic Luciobarbus Heckel, 1842 (Actinopterygii, Cyprinidae) from Morocco with the description of two new species. Graellsia 72(1,e039):1-17. (Ref. 107618)

IUCN Rote Liste Status (Ref. 130435)

gefährdet, siehe IUCN Red List (VU) (B1ab(i,ii,iii,iv,v)+2ab(i,ii,iii,iv,v)); Date assessed: 17 May 2021

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

Harmless

Nutzung durch Menschen

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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=0.00631 (0.00319 - 0.01247), b=3.02 (2.86 - 3.18), in cm Total Length, based on LWR estimates for this Genus-body shape (Ref. 93245).

Trophic level (Ref. 69278): 2.9 ±0.3 se; based on size and trophs of closest relatives

Widerstandsfähigkeit (Ref. 120179): hoch, Verdopplung der Population dauert weniger als 15 Monate. (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Low vulnerability (12 of 100).

Luciobarbus zayanensis Doadrio, Casal-López & Yahyaoui, 2016