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).
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 大洋性; 深度上下限 2 - ? m (Ref. 57546). 亞熱帶的
South America: Argentina.
南美洲: 阿根廷。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 6.1 cm SL 雄魚/尚未辨別雌雄; (Ref. 57546)
Diagnosis: Distinct from its congeners in having a round or trapezoidal black humeral spot, dorsal to the lateral line; a branch of the infraorbital sensory canal directed ventrally, continued as a series of pores totally or partially traversing the third infraorbital; body relatively slender (31.8-37.4% SL); eye large (41.1-45.8% HL); snout short (15.5-20.9% HL); caudal peduncle relatively slender (10.3-12% SL); one pentacuspid maxillary tooth; pored lateral line scales 38-42; and anal fin rays v-vi, 23-29. The males have breeding tubercles on the head and scales, and bony hooks on all fins (Ref. 57546).
鑑別: 在有一個方面不同於它的同類圓或梯形的黑色肩部的斑點，背部的到側線; 眶下知覺管的一個分支方向朝向腹側了, 繼續的當一系列的孔完全地或部份地穿越那第三眶下的; 身體相當細長的 (31.8-37.4% SL); 眼大的 (41.1-45.8% HL); 吻短 (15.5-20.9% HL); 尾柄相當細長的 (10.3-12% SL); 一個 pentacuspid 上頜骨牙齒; 有細孔的側線鱗片 38-42; 而且臀鰭棘條 v-vi, 23-29. 雄性有頭部與鱗片上繁殖小瘤, 與在所有的鰭上多骨的鉤.(參考文獻 57546)
Collected from a creek which is a relatively extensive watercourse, with sections about 50 m wide and pools over 2 m deep; vegetated with grasses and other plants, and the bottom consists of mud and clay (Ref. 57546).
採集自一條小溪是一個相當廣泛的水道, 藉由部分大約 50 公尺寬與超過 2 的水池公尺深; 以草與其他的植物植物生長的.，而且底部由泥與泥土組成。 (參考文獻 57546)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
南美洲: 阿根廷。
Protogino, L., A.M. Miquelarena and H.L. López, 2006. A new species of Astyanax (Teleostei, Characiformes, Characidae), with breeding tubercles, from Paraná and Uruguay river basins. Zootaxa 1297:1-16. (Ref. 57546)
IUCN 瀕危狀態 (Ref. 130435)
近危 (NT) (B1a+2a); Date assessed: 05 September 2020
人類使用
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產卵群集孕卵數卵卵發育
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
參考文獻養殖養殖資訊品種遺傳學Electrophoreses遺傳率疾病加工NutrientsMass conversion
合作者照片Stamps, Coins Misc.聲音神經毒速度泳型鰓區Otoliths腦重體重比眼睛色素
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01148 (0.00526 - 0.02507), 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): 2.9 ±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).
