分類 / 名前
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Gobiiformes (Gobies) >
Gobiidae (Gobies) > Gobiinae
Etymology: alasanicus: Name 'alasanicus' from the type locality of the species, Alazani River.
環境:環境 / 気候帯 / 深さの範囲 / 分布範囲
生態学
; 新鮮な水 底生の漂泳性. Subtropical
分布
領土 | 国連食糧農業機関の区域 | エコシステム | 事件 | 目的のマップ | 導入 | Faunafri
Asia: Georgia.
サイズ / 重さ / 年齢
成熟: Lm ?  range ? - ? cm
Max length : 6.1 cm SL オス/雌雄の選別がない; (Ref. 137637)
簡単な記述
検索表 | 形態学 | 形態計測学
肛門の骨: 1; 臀鰭: 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).
ライフサイクルと交尾行動
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
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)
IUCNのレッドリストの状況は (Ref. 130435: Version 2025-2 (Global))
人間の用途
水産業: 興味がない
用具
特記事項
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インターネットの情報源
モデルに基づく推定値
系統多様性指数 (参照 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). |
栄養段階 (参照 69278) |
3.4 ±0.4 se; based on size and trophs of closest relatives |
回復力 (参照 120179) |
高い, 15か月以下の倍増期間の最小個体群 (Preliminary K or Fecundity.). |
漁業の脆弱性 (Ref. 59153) |
Low vulnerability (14 of 100). 🛈 |