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Actinopteri (ray-finned fishes) > Cyprinodontiformes (Rivulines, killifishes and live bearers) > Aphaniidae (Oriental killifishes)
Etymology: saourensis: The species name comes from the geographical toponym "Saoura", the name of the valley from which the type series was collected, and the only known locality with an extant population (Ref. 57144).

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

Freshwater; benthopelagic. Subtropical

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

Africa: Algeria .

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 3.2 cm SL male/unsexed; (Ref. 57144); 3.4 cm SL (female)

Short description Morphology | Morphometrics

Dorsal soft rays (total): 8-11; Anal soft rays: 10 - 11. Body moderately elongated (Ref. 57144). Preorbital length 0.9-1.3 in eye-diameter (Ref. 57144). Dorsal fin inserted before origin of anal fin, on the same axis, with 7-8 (rarely 9) branched dorsal-fin rays (Ref. 57144). A long and narrow caudal peduncle, its length 1.7-2.0 in body least depth (Ref. 57144). Body pigmentation of live males a profusely mottled blue and silver, not forming vertical bars; females without conspicuous black spots, except a spot at the junction of the caudal peduncle and central caudal fin rays (Ref. 57144).

This species could be considered as critically endangered following IUCN criteria (Ref. 57144). Excessive ground water withdrawal for agricultural purposes, the drying of wetlands, and water pollution are, along with the introduced Gambusia, the major threats to the survival of this species (Ref. 57144).

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

Main reference Upload your references | References | Coordinator | Collaborators

Blanco, J.L., T. Hrbek and I. Doadrio, 2006. A new species of the genus Aphanius (Nardo, 1832) (Actinopterygii, Cyprinodontidae) from Algeria. Zootaxa 1158:39-53. (Ref. 57144)

IUCN Red List Status (Ref. 125652)

Critically Endangered (CR) (B1ab(i,ii,iii,iv,v)+2ab(i,ii,iii,iv,v)); Date assessed: 17 October 2007

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

FAO - Publication: search | FishSource |

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Estimates based on models

Phylogenetic diversity index (Ref. 82805): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00955 (0.00428 - 0.02132), b=3.22 (3.04 - 3.40), in cm total length, based on LWR estimates for this Genus-BS (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) .

Climate Vulnerability (Ref. 125649): (0 of 100) .

Entered by Boden, Gert

Modified by Bailly, Nicolas

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Aphanius saourensis Blanco, Hrbek & Doadrio, 2006