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分類 / 名稱 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) > Gobionellinae
Etymology: Rhinogobius:Greek, rhinos = nose + Latin, gobius = gudgeon (Ref. 45335); sudoccidentalis:Name from Latin words 'sud' meaning 'south' and 'occidentalis' for 'western', for this species was discovered in Chongqing and Guizhou Province in the southwestern region of China.
背棘 (總數) : 7 - 8; 背的軟條 (總數) : 8 - 9; 臀棘: 1; 臀鰭軟條: 6 - 7; 脊椎骨: 29. This species can be distinguished from its congeners by the following characters: D1 VI-VII, D2 I,8-9; longitudinal scale series usually 22-24 (most commonly 23), while the transverse scale series typically comprises 7-8 scales (most commonly 8); predorsal scale series absent; total vertebrae 12 + 17 = 29; a black line stripe beneath the eye that extends to the mandible (Ref. 132591). Cross section: oval.
Occurs mainly in areas characterized by large cobblestone substrates and slow-flowing water at depths ranging from approximately 30-50 cm. This species utilizes the cobblestone bottom as an egg deposition site, with eggs characterized as large (size 1.6-2.1 mm). During periods of high water levels in the creek, individuals aggregate near the shore to seek refuge from the rapids (Ref. 132591).
Li, L.-Z., C.-Y. Li, W.-H. Shao, S.-X. Fu and C.-W. Zhou, 2024. Two new species of freshwater goby (Teleostei, Gobiidae) from the upper Youshui River, Chongqing, China. ZooKeys (1210):173-195. (Ref. 132591)
系統發育多樣性指數 (參考文獻 82804): PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00813 (0.00356 - 0.01856), b=3.08 (2.91 - 3.25), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245).
營養階層 (參考文獻 69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
回復力 (參考文獻 120179): 高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.).
釣魚的脆弱性 (Ref. 59153): Low vulnerability (10 of 100). 🛈