Laeviscutella dekimpei, Roundbelly pellonuline : fisheries

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Laeviscutella dekimpei Poll, Whitehead & Hopson, 1965

Roundbelly pellonuline
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Laeviscutella dekimpei
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分类 / Names 俗名 | 同种异名 | Catalog of Fishes(, ) | ITIS | CoL | WoRMS | Cloffa

Actinopteri > Clupeiformes (Herrings) > Clupeidae (Herrings, shads, sardines, menhadens) > Dorosomatinae
Etymology: Laeviscutella: Latin, laevis = flat + Latin, scutum, scutella, diminutive = shield (Ref. 45335);  dekimpei: Named in honour of M.P. De Kimpe, Ing. Eaux et Forêts, Gx., Fisheries Officer at Cotonou (Dahomey) for his services in collecting this and other species for the Musée Royal de l'Afrique Centrale in Tervuren (Ref. 42928).
More on authors: Poll, Whitehead & Hopson.

Environment: milieu / climate zone / depth range / distribution range 生态学

; 淡水; 半咸淡水 大洋性. 熱帶; 10°N - 7°S, 6°W - 15°E (Ref. 188)

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Africa: lower parts of rivers and lagoons in West Africa (Ref. 188), from the Casamance River to the Niger delta (Ref. 2849, 28136, 81269), lower Ogowe River in Gabon (Ref. 81631) and Loémé River in Republic of Congo (Ref. 81631). Also reported to occur in the Congo River (Ref. 188, 28136), but this needs confirmation.
非洲: 在潟湖中的河川下游 (卡薩芒斯在塞內加爾到剛果)(參考文獻 28136)(湖 Ebrie, 象牙海岸; 湖 Nokue, 貝南). 也記錄自尼日。 (參考文獻 2849)

Length at first maturity / 大小 / 重量 / 年龄

Maturity: Lm 3.8, range 4 - 4 cm
Max length : 4.6 cm SL 雄鱼/尚未辨别雌雄; (Ref. 81631)

简单描述 型态特徵 | 形态测量图

背棘 (总数): 0; 背的软条 (总数): 14-16; 臀棘 0; 臀鳍软条: 17 - 20; 脊椎骨: 39 - 42. Diagnosis: Laeviscutella dekimpei is distinguished by its congeners by the following characters: belly rounded, prepelvic scutes 7 or 8, with lateral arms but without keels and hidden by scales; postpelvic scutes without arms, but supporting a low membranous keel; lower gillrakers 21 to 26 (Ref. 188, 81269, 81631). In all other West African pellonulines with scutes, the postpelvic scutes have lateral arms, except Sierrathrissa, in which the prepelvic scutes also lack arms and the pelvic fin insertion is well before the dorsal fin origin (Ref. 188, 81631).
可能不超过大约 4 公分标准长度。 前腹鳍鳞甲 7 或 8, 与侧部武装但是没有龙骨脊而且藏在了鳞片; 没有手臂的在腹鳍之后的鳞甲, 但是支撑一个低的膜状龙骨脊。 用鳞甲与所有的其他西非 pellonulines 区分了,藉由缺少侧部武装在它的在腹鳍之后的鳞甲, 除了 Sierrathrissa 以外 , 前腹鳍鳞甲缺乏手臂。

生物学特性     字汇 (例如 epibenthic)

A riverine species, chiefly near the coast and entering lagoons, where salinities vary with the tides; it is presumably euryhaline, although it may escape high salinities (Ref. 188). Ripe females of 3.5 to 4.0 cm standard length were recorded in Ebrié Lagoon (Ref. 188, 1989).

出现于河, 主要地在海岸的附近而且进入泻湖, 在哪里盐度改变随着潮水。 此鱼种是可能广盐性, 虽然它可能逃脱高的盐度。 3.5 到 4 公分 SL 的成熟雌性在湖 Ebrie 被记录。

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

非洲: 在潟湖中的河川下游 (卡薩芒斯在塞內加爾到剛果)(參考文獻 28136)(湖 Ebrie, 象牙海岸; 湖 Nokue, 貝南). 也記錄自尼日。 (參考文獻 2849)

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

Gourène, G. and G.G. Teugels, 2003. Clupeidae. p. 125-142. In D. Paugy, C. Lévêque and G.G Teugels (eds.) The fresh and brackish water fishes of West Africa Volume 1. Coll. faune et flore tropicales 40. Institut de recherche de développement, Paris, France, Muséum national d'histoire naturelle, Paris, France and Musée royal de l'Afrique Central, Tervuren, Belgium, 457p. (Ref. 81269)

世界自然保护联盟红皮书 (Ref. 125652)

  最不相关 (LC) ; Date assessed: 19 October 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

对人类的威胁

  无害处的





人类利用

渔业: 自给性渔业
FAO - Publication: search | FishSource |

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Estimates based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 1.0000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00891 (0.00425 - 0.01868), b=3.04 (2.87 - 3.21), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
营养阶层 (Ref. 69278):  3.1   ±0.3 se; based on size and trophs of closest relatives
回复力 (Ref. 120179):  高度, 族群倍增时间少于 15个月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100) .
Climate Vulnerability (Ref. 125649):   (0 of 100) .
价格分类 (Ref. 80766):   Low.