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Drepane africana  Osório, 1892

African sicklefish
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Image of Drepane africana (African sicklefish)
Drepane africana
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分类 / Names 俗名 | 同种异名 | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii 辐鳍鱼纲 (条鳍鱼) > Perciformes (Perch-likes) > Drepaneidae (Sicklefishes)
Etymology: Drepane: Greek, drepane = sickle (Ref. 45335).

环境 / 气候 / 范围 生态学

; 海洋; 半咸淡水 底中水层性; 深度上下限 10 - 75 m (Ref. 27000), usually 20 - 50 m (Ref. 81287).    , preferred 27°C (Ref. 107945); 30°N - 17°S, 27°W - 13°E

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Eastern Atlantic: West African coast, from Senegal to Angola (Ref. 7350, 81287). Also reported from the Canary Islands, Cape Verde (Ref. 7350) and Mauritania (Ref. 5377).

大小 / 重量 / 年龄

Maturity: Lm ?  range ? - ? cm
Max length : 45.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 1380); common length : 30.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 3609); 最大体重: 750.00 g (Ref. 4883)

简单描述 型态特徵 | 形态测量图

背棘 (总数): 8 - 9; 背的软条 (总数): 17-18; 臀棘 3; 臀鳍软条: 20 - 21. Diagnosis: body deep and strongly compressed, its anterior profile very steep up to dorsal-fin origin, and strongly compressed; head small; snout short; mouth small, terminal, strongly protrusible, with fleshy lips; teeth slender and pointed, set in bands in upper jaw; roof of mouth toothless; dorsal fin deeply notched; 1st dorsal fin spine small, forward-pointing and visible only in young individuals; pectorals falcate, very long, their tips almost reaching to caudal-fin base; hind margin of caudal fin slightly rounded; pelvic fins thoracic; scales finely ctenoid, covering body, bases of dorsal and anal fins and head, except snout and preopercle; preopercular margin denticulate; lateral line strongly arched (Ref. 81287). Coloration: silvery grey, darker on back, almost white on belly; sides with a series of 8 brown, more or less faded vertical bars, always more distinct in young individuals (Ref. 81287).

生物学特性     字汇 (例如 epibenthic)

Neritic species (Ref. 7350). Essentially marine, often living in groups (Ref. 81287) over sandy and muddy bottoms (Ref. 2683), between 20 and 50 m depth, and entering coastal lagoons where sexual maturation begins (Ref. 81287). Feeds of fish eggs, benthic invertebrates and detritus (Ref. 28587).

Life cycle and mating behavior 成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼


主要参考文献 Upload your references | 参考文献 | 合作者 | 合作者

Desoutter, M., 1990. Ephippidae. p. 834-836. In J.C. Quero, J.C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes of the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI, Paris; and UNESCO, Paris. Vol. 2. (Ref. 7350)

世界自然保护联盟红皮书 (Ref. 115185)

  最不相关 (LC) 

CITES (Ref. 94142)

Not Evaluated

对人类的威胁

 




人类利用

渔业: 低经济
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Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.7500   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01349 (0.00698 - 0.02607), b=2.99 (2.81 - 3.17), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
营养阶层 (Ref. 69278):  3.1   ±0.41 se; Based on food items.
回复力 (Ref. 69278):  中等的, 族群倍增时间最少 1.4 - 4.4年 (K=0.13-0.25).
脆弱性 (Ref. 59153):  High vulnerability (56 of 100) .
价格分类 (Ref. 80766):   Unknown.