Gobionellus occidentalis (Boulenger, 1909)
Delta goby
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| Native range | All suitable habitat | Point map | Year 2050 |
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| This map was computer-generated and has not yet been reviewed. |
| Gobionellus occidentalis AquaMaps Data sources: GBIF OBIS |
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: Gobionellus: Diminutive of Latin, gobius = gudgeon (Ref. 45335).
More on author: Boulenger.
Etymology: Gobionellus: Diminutive of Latin, gobius = gudgeon (Ref. 45335).
More on author: Boulenger.
環境： 環境 / 氣候帶 / 深度上下限 / 配送範圍 生態學
海洋; 淡水; 半鹹淡水 居於水底的; 非產卵性溯降河的. 熱帶; 17°N - 11°S, 17°W - 29°E
分布 領土 | FAO區域 | 生態系 | 發現紀錄 | 分布圖 | 簡介 | Faunafri
Eastern Atlantic: southern Senegal and Guinea-Bissau (Ref. 57403) to Republic of Congo and possibly to Angola (Ref. 79590). Reportedle present in the Chiloango in Cabinda (Angola) (Ref. 120641). Also collected from mangroves at Bula Bemba (lower Congo River) and from Banana (lower Congo River estuary) in Democratic Republic of the Congo (Ref. 12818).
東大西洋: 幾內亞比索到加彭與離岸島嶼。
東大西洋: 幾內亞比索到加彭與離岸島嶼。
大小 / 重量 / 年齡
簡短描述 檢索表 | 型態特徵 | 形態測量圖
背棘 (總數) : 7; 背的軟條 (總數) : 12 - 13; 臀棘: 1; 臀鰭軟條: 12 - 14. Diagnosis: head and body strongly compressed; several rows of fine teeth in upper and lower jaw (Ref. 57403, 79590). Angle of mouth located below center or hind margin of eye (Ref. 57403). Interobital space 27-37% of eye diameter; 17-23 (perhaps up to 26) predorsal scales extending anteriorly to level of preoperculum or just behind eye; upper part of operculum scaled; about 57-69 scales in longitudinal series (54-66 on body and 3-5 scales on caudal fin base); 15-21 scales in rearward transverse series; 1st dorsal fin: VI; second dorsal fin: I,13 (rarely 12); anal fin: I,12-13 (perhaps 14); pectoral fins: 17-20; caudal fin lanceolate, its length about 40% of standard length, with 17 segmented rays, 15 of which are branched (Ref. 57403, 79590).
Coloration: Preserved specimens: head and body generally pale or yellowish with indistinct pigmentation except for a dark triangular patch on operculum and a basicaudal spot; a faint large oval spot below 1st dorsal fin beneath pectoral fin rays often visible; anterior margin of 1st dorsal fin spine with 2-4 black spots; flanks pale with several diffuse dark areas along midline (Ref. 57403, 79590).
Body shape (shape guide): elongated.
Body shape (shape guide): elongated.
Occur inshore, over sand (Ref. 4343, 5299). Marine species also found in brackish waters (Ref. 57403, 79590), including lagoons (Ref. 57403, 79590) and estuaries (Ref. 4343, 5299, 57403, 79590) and in the lower course of streams (Ref. 4343, 5299). Adults may occupy subtidal burrows (Ref. 79590). Maximum reported total length 19.6 cm (Ref. 57403).
生活在沿岸地區, 在沙子之上; 在河口與溪流的下游中.(參考文獻 4343,5299)
生活在沿岸地區, 在沙子之上; 在河口與溪流的下游中.(參考文獻 4343,5299)
生命週期和交配行為 成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
東大西洋: 幾內亞比索到加彭與離岸島嶼。
主要參考資料
上傳您的推薦信 | 參考文獻 | 合作者 | 合作者
Harrison, I.J., P.J. Miller and F. Pezold, 2003. Gobiidae. p. 625-666 In C. Lévêque, D. Paugy and G.G. Teugels (eds.) Faune des poissons d'eaux douce et saumâtres de l'Afrique de l'Ouest, Tome 2. Coll. Faune et Flore tropicales 40. Musée Royal de l'Afrique Centrale, Tervuren, Belgique, Museum National d'Histoire Naturalle, Paris, France and Institut de Recherche pour le Développement, Paris, France. 815 p. (Ref. 57403)
CITES
Not Evaluated
對人類具威脅
無害處的
人類使用
FAO - Publication: search | FishSource |
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基於模型的估計
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系統發育多樣性指數 (參考文獻 82804) |
PD50 = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high]. |
| Bayesian length-weight | a=0.00708 (0.00335 - 0.01497), b=3.07 (2.89 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
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營養階層 (參考文獻 69278) |
3.5 ±0.5 se; based on size and trophs of closest relatives |
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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.). |
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釣魚的脆弱性 (Ref. 59153) |
Low to moderate vulnerability (28 of 100). 🛈 |