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Gobiiformes (Gobies) >
Gobiidae (Gobies) > Gobiinae
Etymology: alasanicus: Name 'alasanicus' from the type locality of the species, Alazani River.
Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied
Ecologie
; zoet water benthopelagisch. Subtropical
Asia: Georgia.
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ?  range ? - ? cm
Max length : 6.1 cm SL mannelijk / geslacht onbekend; (Ref. 137637)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Anale stekels: 1; Anale zachte stralen: 10 - 12. This species is distinguished by the following set of characters: D - VI, D I / 15½-16½, A I / 10½ - 12½; nape scaled completely, scales cycloid and ctenoid, cycloid scales covering upper part of opercle; lateral line system with suborbital row d continuous; predorsal area is linearly concave in middle; D1 with oblique black stripe between first two or three rays, the tip of the first 3-4 rays is transparent white; one large dark spot at the base of the pectoral fin; ventral disc has oval/elongated shape, short, not reaching anus (Ref. 137637).
Body shape (shape guide): elongated; Cross section: oval.
This species inhabits lowland rivers and swampy habitats with substrate composed of sand and plant. They are specifically found around submerged trees and roots where they feed on aquatic invertebrates (Ref. 137637).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Epitashvili, G., B. Japoshvili and L. Mumladze, 2023. Ponticola alasanicus sp. n. (Gobiiformes, Gobiidae) from the Alazani River Basin, Georgia. Biodiversity Data Journal 11:e101095. (Ref. 137637)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2 (Global))
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: van geen belang
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Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00851 (0.00376 - 0.01926), b=3.09 (2.92 - 3.26), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Trofisch niveau (Ref.
69278): 3.4 ±0.4 se; based on size and trophs of closest relatives
Weerstandsvermogen (Ref.
120179): Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (Preliminary K or Fecundity.).
Kwetsbaarheid van de visserij (Ref.
59153): Low vulnerability (10 of 100).
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