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Astyanax jordanensis Vera, Alcaraz, Pavanelli & Bertaco, 2009

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drawing shows typical species in Characidae.

Brazil country information

Common names: [No common name]
Occurrence: native
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: live export: yes;
Comments: Known from the middle and upper portions of rio Jacu and rio das Torres in the lower portions of the rio Jordão drainage, lower rio Iguaçu basin in Paraná (Ref. 81203).
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: Vera Alcaraz, H.S., C.S. Pavanelli and V.A. Bertaco, 2009
National Database:

Common names from other countries

... more

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: Astyanax: The name of Astyanax, Hector´s son in the Greek mythology (Ref. 45335);  jordanensis: Named after the drainage from where the species is described, the rio Jordão, a tributary to the rio Iguaçu basin..

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: Rio Jacu and rio das Torres in the lower portions of the rio Jordão drainage, lower rio Iguaçu basin, Paraná, Brazil

大小 / 重量 / 年齡

Maturity: Lm ?  range ? - ? cm
Max length : 7.6 cm SL 雄魚/尚未辨別雌雄; (Ref. 81203)

簡短描述 型態特徵 | 形態測量圖

背的軟條 (總數): 10-11; 脊椎骨: 34 - 37. Distinguished from other congeners by the combination of the following characters: anal fin with 13-17 branched rays; lateral line scales 35-38; one humeral spot; dentary teeth abruptly decreasing in size after the fifth tooth; orbital diameter 22.6-29.1% of HL; interorbital width 30.6-35.7% of HL; snout length 25.3-29.7% of HL; predorsal scales 12-15; dorsal procurrent rays 10-12; maxillary teeth 1 or 2; and a conspicuous midlateral band from humeral region to caudal peduncle (Ref. 81203).

生物學特性     字彙 (例如 epibenthic)

Feeds on insects and plants (Ref. 81203).

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

Vera Alcaraz, H.S., C.S. Pavanelli and V.A. Bertaco, 2009. Astyanax jordanensis (Ostariophysi: Characidae) a new species from the rio Iguaçu basin, Paraná, Brazil. Neotrop. Ichthyol. 7(2):185-190. (Ref. 81203)

IUCN 瀕危狀態 (Ref. 130435)


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