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Phalloceros caudimaculatus (Hensel, 1868)

Dusky millions fish
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Image of Phalloceros caudimaculatus (Dusky millions fish)
Phalloceros caudimaculatus
Male picture by Sazima, I.


Brazil country information

Common names: Barrigudinho, Guaru, Guaru guaru
Occurrence: native
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: live export: yes;
Comments: Recorded from the Pardo River (Ref. 27745), Caracu and Sao Pedro streams, tributaries of the Paraná river (Ref. 26076). Found in Córrego Barreiro (Ref. 53011). Also recorded from the Patos lagoon (Ref. 58359). Also Ref. 1739.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/br.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Pavanelli, C.S. and E.P. Caramaschi, 1997
National Database:

Common names from other countries

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

Teleostei > Cyprinodontiformes (Rivulines, killifishes and live bearers) 鱂形目 (Rivulines, killifishes and live bearers) > Poeciliidae (Poeciliids) 花鱂科 (Poeciliids) > Poeciliinae
Etymology: Phalloceros: Greek, phallos = penis + Greek, keras = horn (Ref. 45335).

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

; 淡水; 半鹹淡水 大洋性; pH range: 7.0 - 8.0; dH range: 9 - 19; 非遷移的.   熱帶; 20°C - 24°C (Ref. 1672)

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

South America: Rio de Janeiro, Brazil southward to Uruguay and Argentina (Ref. 9086). Introduced mainly for mosquito control (Ref. 1739). At least one country reports adverse ecological impact after introduction.
南美洲: 巴西里約熱內盧向南至烏拉圭與阿根廷。 (參考文獻 9086) 主要地為控制蚊子引入。 (參考文獻 1739) 至少一個國家報告引入後的不利的生態衝擊。

大小 / 重量 / 年齡

Maturity: Lm ?  range ? - ? cm
Max length : 3.5 cm SL 雄魚/尚未辨別雌雄; (Ref. 26681); 6.0 cm TL (female)

簡短描述 型態特徵 | 形態測量圖

背的軟條 (總數): 7-9. Dorsal fin short; pectoral fin small, not reaching back to level of pelvic fin bases; body and fins covered with a profusion of black patches; tip of gonopodium of male with a distinctly downturned hook (Ref 54372).

生物學特性     字彙 (例如 epibenthic)

Inhabits swamps and drains of Perth metropolitan area, Western Australia (Ref. 44894). Omnivorous.

雜食性。

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

After about 24 days gestation, 10 to 50 young are born.南美洲: 巴西里約熱內盧向南至烏拉圭與阿根廷。 (參考文獻 9086) 主要地為控制蚊子引入。 (參考文獻 1739) 至少一個國家報告引入後的不利的生態衝擊。

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

Paxton, J.R., D.F. Hoese, G.R. Allen and J.E. Hanley, 1989. Pisces. Petromyzontidae to Carangidae. Zoological Catalogue of Australia, Vol. 7. Australian Government Publishing Service, Canberra, 665 p. (Ref. 7300)

IUCN 瀕危狀態 (Ref. 130435)

  無危 (LC) ; Date assessed: 09 November 2020

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

對人類具威脅

潛能有害之物




人類使用

水族館: 商業性
FAO(Publication : search) | FishSource |

更多資訊

俗名
同種異名
新陳代謝
捕食者
生態毒物學
繁殖
成熟度
產卵場
孕卵數

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
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稚魚動力學
入添量
豐度
參考文獻
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養殖資訊
品種
遺傳學
Electrophoreses
遺傳率
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加工
Mass conversion
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Stamps, Coins Misc.
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Otoliths
腦重體重比
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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=0.00871 (0.00437 - 0.01737), b=3.15 (2.98 - 3.32), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
營養階層 (Ref. 69278):  3.0   ±0.2 se; based on diet studies.
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).