Moenkhausia dasalmas

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Moenkhausia dasalmas Bertaco, Jerep & Carvalho, 2011

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drawing shows typical species in Characidae.

分類 / Names 俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa

Teleostei > Characiformes (Characins) 脂鯉目 (Characins) > Characidae (Characins; tetras) 脂鯉科 (Characins; tetras) > Stethaprioninae
Etymology: dasalmas: Named for the place where the species is found, rio das Almas basin; noun in apposition..

Environment: milieu / climate zone / depth range / distribution range 生態學

; 淡水 底中水層性.

分布 國家 | FAO區域 | 生態系 | 發現紀錄 | Point map | 簡介 | Faunafri

South America: Brazil.

大小 / 重量 / 年齡

Maturity: Lm ?  range ? - ? cm
Max length : 4.3 cm SL 雄魚/尚未辨別雌雄; (Ref. 86678)

簡短描述 型態特徵 | 形態測量圖

背的軟條 (總數): 9; 臀鰭軟條: 17 - 19. This species is distinguished from its congeners by the following characters: presence of iii,9 rays in the dorsal-fin (vs. ii,9); from most congeners by having 2 humeral spots, in which the first one is vertically elongate (except in M. diamantina, M. diktyota, M. eigenmanni, M. inrai, M. levidorsa, M. moisae, M. naponis, M. pankilopteryx, and M. surinamensis) (vs. absent, or horizontally elongate or diffuse humeral spot); differs from the remaining species by the number of branched anal-fin rays 17-19 (vs. 20-35); from M. diktyota, M. eigenmanni, M. georgiae, M. inrai, M. levidorsa, M. moisae, and M. naponis by the number of the lateral line scales, 36-37 (vs. 41-47 in M. moisae and 31-35 in the remaining species); from M. pankilopteryx by the number of maxillary teeth 4-5 (vs. 2-3) and the shape of the caudal peduncle spot which is vertically elongate (vs. horizontally elongate in M. pankilopteryx) (Ref. 86678).

生物學特性     字彙 (例如 epibenthic)

Inhabits streams, occurs in semi-lentic and lotic shallow areas (up to 1.0 m deep) with riparian vegetation composed by trees and shrubs. The area of collection is around 800 m above sea level. The streams have transparent water; bottom with rocks, stones, and some stretches with sand; collected syntopically with Aspidoras albater, Astyanax sp., Characidium stigmosum, Corumbataia veadeiros, Hemigrammus tocantinsi, and Trichomycterus sp. Stomach contents (UFRGS 11194, 3:24.4-27.3 mm SL) were mainly composed by Hymenoptera, Coleoptera (adults) and some fish scales, but autochthonous insects and digested vegetal organic matter (seeds) were also found (Ref. 86678).

Life cycle and mating behavior 成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚


主要參考資料 Upload your references | 參考文獻 | 合作者 | 合作者

Bertaco, V.A., F.C. Jerep and F.R. Carvalho, 2011. New species of Moenkhausia Eigenmann (Ostariophysi: Characidae) from the upper rio Tocantins basin in Central Brazil. Neotrop. Ichthyol. 9(1):57-63. (Ref. 86678)

IUCN 瀕危狀態 (Ref. 130435)

  無危 (LC) ; Date assessed: 07 November 2018

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

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國家
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生態學
食性
食物相
食物消耗量
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俗名
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新陳代謝
捕食者
生態毒物學
繁殖
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孕卵數
卵
卵發育
年龄/大小
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長度-重量
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型態特徵
仔魚
稚魚動力學
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聲音
神經毒
速度
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Otoliths
腦重體重比
眼睛色素

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Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01202 (0.00517 - 0.02796), 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 (Ref. 69278):  3.2   ±0.5 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).