Doumea stilicauda : fisheries

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Doumea stilicauda Ferraris, Skelton & Vari, 2010

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Doumea stilicauda
Picture by Ferraris Jr., C.J.

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

Teleostei > Siluriformes (Catfishes) 鯰形目 (Catfishes) > Amphiliidae (Loach catfishes) 無棘鯰科 (Loach catfishes) > Doumeinae
Etymology: Doumea: Taken form a locality, Doumé, in Congo (Ref. 45335);  stilicauda: The species name, stilicauda, from the Latin stilus, a stake, and cauda, tail, refers to the stake-like caudal peduncle; treated as a noun (Ref. 85844).
More on authors: Ferraris, Skelton & Vari.

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

; 淡水 居於水底的.

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

Africa: only known from the So'o River, a tributary of the Nyong River, in Cameroon (Ref. 85844).

大小 / 重量 / 年齡

Maturity: Lm ?  range ? - ? cm
Max length : 17.5 cm SL 雄魚/尚未辨別雌雄; (Ref. 85844)

簡短描述 型態特徵 | 形態測量圖

背棘 (總數): 0; 背的軟條 (總數): 7; 臀棘 0; 臀鰭軟條: 8 - 10. Diagnosis: Doumea stilicauda is distinguished from all its congeners, except D. chappuisi and D. reidi, by having the dorsolateral and ventrolateral vertebral processes extending through the dermis to form longitudinal bony ridges from slightly anterior to the base of the adipose fin posteriorly to the caudal-fin base and from somewhat anterior of the anal-fin origin to the caudal-fin base; the exposed processes are in shape of longitudinal bars with slightly corrugated surfaces that together form irregular longitudinal ridges (Ref. 85844). Doumea stilicauda differs from D. chappuisi in predorsal length 27-30% of standard length, vs. 32-37%; head length 15-17% of standard length, vs. 19-23%; caudal-peduncle length 35-41% of standard length, vs. 22-29%; and caudal-peduncle depth 19.6-25.8 times in caudal-peduncle length, vs. 7.3-14.5 times (Ref. 85844). Doumea stilicauda differs from D. reidi in predorsal length 27-30% of standard length, vs. 33%; head length 15-17% of standard length, vs. 18%; caudal-peduncle length 35-41% of standard length, vs. 22-29%); and caudal-peduncle depth 19.6-25.8 times in caudal-peduncle length, vs. 11.8 times (Ref. 85844).

生物學特性     字彙 (例如 epibenthic)

It is found in a 'blackwater' rainforest system with low pH waters, its mean pH 6.2 (Ref. 85844).

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

Ferraris, C.J., P. Skelton and R.P. Vari, 2010. Species of the Doumea chappuisi complex (Siluriformes, Amphiliidae) with the descriptions of new species from the upper Sanaga River and Nyong River basins. Copeia 2010(4):705-715. (Ref. 85844)

IUCN 瀕危狀態 (Ref. 130435)

  未評估 

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

對人類具威脅

 





人類使用

漁業:
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更多資訊

國家
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生態系
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簡介
Stocks
生態學
食性
食物相
食物消耗量
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俗名
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生態毒物學
繁殖
成熟度
產卵場
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孕卵數
卵
卵發育
年龄/大小
成長
長度-重量
長度-長度
長度-頻率
形態測量圖
型態特徵
仔魚
稚魚動力學
入添量
豐度
BRUVS
參考文獻
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養殖資訊
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速度
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鰓區
Otoliths
腦重體重比
眼睛色素

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網路資源

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Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5020   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref. 93245).
營養階層 (Ref. 69278):  3.1   ±0.4 se; based on size and trophs of closest relatives
回復力 (Ref. 120179):  中等的, 族群倍增時間最少 1.4 - 4.4年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (11 of 100).