分類 / 名稱
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Centrarchiformes (Basses)
鱸形目 (Basses) >
Dichistiidae (Galjoen fishes)
雙帆魚科 (Galjoen fishes)
Etymology: Dichistius: Greek, dichao, dichasis = divided in two parts (Ref. 45335).
More on author: Cuvier.
環境: 環境 / 氣候帶 / 深度上下限 / 配送範圍
生態學
海洋 礁區魚類; 深度上下限 10 - ? m (Ref. 5213). 亞熱帶的; 12°S - 36°S, 10°E - 34°E
Southeast Atlantic to southwestern Indian Ocean: southern Angola to Natal, South Africa.
東南大西洋: 南方的安哥拉到南非的納塔爾。
初熟時的長度 / 大小 / 重量 / 年齡
成熟度: Lm 34.0  range ? - ? cm
Max length : 80.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 4370); 最大體重: 6.5 kg (Ref. 4370)
背棘 (總數) : 10; 背的軟條 (總數) : 18 - 19; 臀棘: 3; 臀鰭軟條: 13 - 14. Changes from black to silver almost instantly to blend with environment; occasionally mottled or with 7-9 crossbars (Ref. 4370).
Body shape (shape guide): short and / or deep.
改變從黑色到銀色的幾乎立即地以環境混合; 偶然有斑點或具有 7-9個交叉的條紋.(參考文獻 4370)
Found in inshore reefs, rocky and sandy areas. Feeds on mollusks, crustaceans, and other invertebrates (Ref. 5213). Abundant in winter, breeding occurs in deeper water. Becoming scarce because of overfishing (Ref. 36731).
發現於近海岩礁,岩石及沙地區域了。 吃軟體動物,甲殼動物與其他的無脊椎動物。 (參考文獻 5213) 豐富的冬天時,繁殖出現於較深的水域中。 變成難得的由於捕撈過度。 (參考文獻 36731)
生命週期和交配行為
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
東南大西洋: 南方的安哥拉到南非的納塔爾。
Smith, M.M., 1986. Coracinidae. p. 601-602. In M.M. Smith and P.C. Heemstra (eds.) Smiths' sea fishes. Springer-Verlag, Berlin. (Ref. 4370)
IUCN 瀕危狀態 (Ref. 130435: Version 2025-2 (Global))
人類使用
漁業: 商業性; 游釣魚種: 是的
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基於模型的估計
系統發育多樣性指數 (參考文獻 82804) |
PD50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01622 (0.00655 - 0.04018), b=3.01 (2.79 - 3.23), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245). |
營養階層 (參考文獻 69278) |
3.3 ±0.45 se; based on food items. |
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Generation time |
8.5 ( na - na) years. Estimated as median ln(3)/K based on 2 growth studies. |
回復力 (參考文獻 120179) |
低的, 最小族群倍增時間4.5 - 14 年 (K=0.13). |
釣魚的脆弱性 (Ref. 59153) |
High vulnerability (60 of 100). 🛈 |
價格種類 (Ref. 80766) |
Unknown.
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營養素 (Ref. 124155) |
Calcium = 16.5 [7.8, 32.0] mg/100g; Iron = 0.449 [0.259, 0.748] mg/100g; Protein = 19.3 [18.1, 20.5] %; Omega3 = 0.155 [0.089, 0.271] g/100g; Selenium = 24.8 [11.8, 51.6] μg/100g; VitaminA = 23.6 [5.9, 90.6] μg/100g; Zinc = 0.598 [0.394, 0.888] mg/100g (wet weight); |