分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Gobiiformes (Gobies)
鱸形目 (Gobies) >
Gobiidae (Gobies)
鰕虎魚科 (Gobies) > Gobiinae
Etymology:
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋; 淡水; 半鹹淡水 居於水底的. 溫帶
Eurasia: Caspian Sea; in Volga upriver to Astrakhan until 1977, spreaded out to Lakes Ivankovskoje and Rybinskoje (2000); invaded Don drainage (Black Sea basin) through Volga-Don canal (first record in 1972). Abundant in Lake Tsimlyansk and lower Don.
前蘇聯與亞洲: 裡海。
大小 / 重量 / 年齡
Maturity: Lm ?  range ? - ? cm
Max length : 32.6 cm TL 雄魚/尚未辨別雌雄; (Ref. 85452); common length : 12.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 2058)
This species is distinguished from its congeners in the Caspian Sea basin by the following characters: 75-95 % of distance between its origin and anus; ctenoid scales completely cover predorsal area and nape; pelvic disc fraenum with angular lobes, fraenum length 1/6-1/2 of its width at base; scales in midlateral series 68-72 + 3-4; snout length 1.5-1.6 times in eye diameter; interorbital distance 0.8-0.9 times eye diameter; first branched ray of second dorsal about as long as penultimate ray; posterior part of first dorsal without black spot. This species is different from N. kessleri in the area in having a distinctive karyotype, some osteological characters and cycloid scales on opercle and anterior part of the nape (vs. ctenoid) (Ref. 59043).
Inhabitant of inshore areas, estuaries, brackish and fresh water of lagoons and lakes, large rivers, harbours, on rock (stone or firm sand) bottom; mainly on well vegetated bottom (Ref.13696, 59043). Most females spawn for the first time at 1 year, males at 2 years, in April-May, rarely until July. Adhesive eggs are deposited on stones, shells and aquatic plants and the males guard the eggs after hatching. Feeds mostly on small fish, as well as a wide variety of invertebrates (Ref.59043).
海濱區域的棲居動物,底部為石頭或硬沙的地方。
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
前蘇聯與亞洲: 裡海。
Kottelat, M., 1997. European freshwater fishes. An heuristic checklist of the freshwater fishes of Europe (exclusive of former USSR), with an introduction for non-systematists and comments on nomenclature and conservation. Biologia, Bratislava, 52/Suppl. 5:1-271. (Ref. 13696)
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01259 (0.00681 - 0.02326), b=3.24 (3.08 - 3.40), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
營養階層 (Ref.
69278): 3.8 ±0.4 se; based on diet studies.
回復力 (Ref.
120179): 中等的, 族群倍增時間最少 1.4 - 4.4年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (23 of 100).