Taxonomic Remarks
Acipenser colchicus was described as a subspecies of A. gueldenstaedti, then considered as a subspecies of A. persicus, and is now recognized as a species by some works. On the other end, other works suggest that A. persicus, which is similar to A. gueldenstaedti, is a synonym of the latter. We will wait that the taxonomoic situation gets more clarity before changing the list of valid species, which follows the World Sturgeon Conservation Society one. Check ECoF, IUCN and FAO for more details. Anyway in FishBase, it is possible to retrieve the information under the name that was used as valid in each publication.
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Indice de diversité phylogénétique (Réf. 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
| Bayesian length-weight | a=0.00389 (0.00218 - 0.00693), b=3.14 (2.99 - 3.29), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245). |
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Niveau trophique (Réf. 69278) |
3.7 ±0.59 se; based on food items. |
| Generation time | 18.9 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies. |
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Résilience (Réf. 120179) |
Très faible, temps minimum de doublement de population supérieur à 14 ans (Preliminary K or Fecundity.). |
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Vulnérabilité de la pêche (Ref. 59153) |
Very high vulnerability (85 of 100). 🛈 |
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Catégorie de prix (Ref. 80766) |
Unknown. |