Petrocephalus pulsivertens : fisheries

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Petrocephalus pulsivertens Lavoué, Sullivan & Arnegard, 2010

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drawing shows typical species in Mormyridae.

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

Teleostei > Osteoglossiformes (Bony tongues) 骨舌魚目 (Bony tongues) > Mormyridae (Elephantfishes) 象鼻魚科 (Elephantfishes)
Etymology: Petrocephalus: Latin, petra = stone + Greek, kephale = head (Ref. 45335);  pulsivertens: The species name comes from the Latin 'pulsus', meaning impulse, beating; and from 'vertere', meaning to turn, exchange; the name describes the unusual EOD waveform of the species (Ref. 85331).

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

Africa: middle Congo River basin (Ref. 85331, 113655) in Cameroon, Central African Republic and Republic of Congo.

大小 / 重量 / 年齡

Maturity: Lm ?  range ? - ? cm
Max length : 11.5 cm SL 雄魚/尚未辨別雌雄; (Ref. 85331)

簡短描述 型態特徵 | 形態測量圖

Diagnosis: Petrocephalus pulsivertens is distinguished from all other Petrocephalus species in Central Africa by the following combination of characteristics: dorsal fin with at least 25 branched rays; anal fin with at least 31 branched rays; mouth large, the ratio head length and mouth width between 2.0 and 3.7; 15-21 teeth in the upper jaw; 24-30 teeth in the lower jaw; and eye large, the ratio head length and eye-diameter between 3,2 and 3,5 (Ref. 85331). Pigmentation pattern consists of two distinctive melanin markings (black patches): (1) a distinct ovoid mark below the anterior base of the dorsal fin; and (2) a crescent-like mark, sometimes diffuse, centered at the base of the caudal fin and extending onto the upper and lower parts of the caudal fin (Ref. 85331).

生物學特性     字彙 (例如 epibenthic)

The EOD waveform of Petrocephalus pulsivertens resembles an inverted-polarity version of the 'typical' Petrocephalus EOD (Ref. 85331).

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

Lavoué, S., J.P. Sullivan and M.E. Arnegard, 2010. African weakly electric fishes of the genus Petrocephalus (Osteoglossomorpha: Mormyridae) of Odzala National Park, Republic of the Congo (Lékoli River, Congo River basin) with description of five new species. Zootaxa 2600:1-52. (Ref. 85331)

IUCN 瀕危狀態 (Ref. 130435)

  未評估 

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

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國家
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生態系
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食物消耗量
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生態毒物學
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孕卵數
卵
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年龄/大小
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長度-重量
長度-長度
長度-頻率
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型態特徵
仔魚
稚魚動力學
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Otoliths
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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 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01585 (0.00697 - 0.03603), b=2.85 (2.67 - 3.03), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245).
營養階層 (Ref. 69278):  3.2   ±0.4 se; based on size and trophs of closest relatives
回復力 (Ref. 120179):  高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).