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Gobiiformes (Gobies) >
Gobiidae (Gobies) > Gobiinae
Etymology: alasanicus: Name 'alasanicus' from the type locality of the species, Alazani River.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
; sötvatten bentopelagisk. Subtropical
Utbredning
Territorier | FAO områden | Ekosystem | Förekomster | Prickkarta | Utplanteringar | Faunafri
Asia: Georgia.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 6.1 cm SL hane/ej könsbestämd; (Ref. 137637)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i analfenan: 1; Mjukstrålar i analfenan: 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).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
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 på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
Fiskeri: saknar intresse
Verktyg
Särskilda rapporter
Ladda ner XML
Internet-källor
Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref. 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00851 (0.00371 - 0.01953), b=3.09 (2.92 - 3.26), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245). |
Trofisk nivå (Ref. 69278) |
3.4 ±0.4 se; based on size and trophs of closest relatives |
Resiliens (Ref. 120179) |
Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.). |
Sårbarhet i fisket (Ref. 59153) |
Low vulnerability (14 of 100). 🛈 |