分類 / 名稱
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Characiformes (Characins) >
Acestrorhamphidae (American tetras) > Pristellinae
Etymology: Hemigrammus: Greek, hemi = half + Greek, gramma = letter, signal (Ref. 45335).
環境: 環境 / 氣候帶 / 深度上下限 / 配送範圍
生態學
; 淡水 底中水層性.
分布
領土 | FAO區域 | 生態系 | 發現紀錄 | 分布圖 | 簡介 | Faunafri
South America: Colombia.
大小 / 重量 / 年齡
成熟度: Lm ?  range ? - ? cm
Max length : 4.9 cm SL 雄魚/尚未辨別雌雄; (Ref. 101436)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
This species is distinguished by the following characters: coloration - a vertically elongated humeral spot, a vermilion longitudinal band which runs from operculum along the body up to the dorsal part of the caudal peduncle and to the rays of caudal fin, an elongated caudal spot which is asymmetrically on the lower part of the caudal peduncle and the basis of caudal fin sometimes up to the tips of the fin rays; pored lateral line scales 10-15, relatively long; scales in longitudinal row 34-36; scales transversal before dorsal fin 6/1/3½ to 4; A iii- iv, 19-21; maxillary teeth 1-4; (x=2,32); body depth 2,91 (2,70-3,26) times in standard length; head length 3,99 (3,58 to 4,61) times in standard length; dorsal fin begins before midbody (Ref. 101436).
Body shape (shape guide): fusiform / normal; Cross section: compressed.
生命週期和交配行為
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Zarske, A., 2015. Hemigrammus rubrostriatus spec. nov.- ein neuer Salmler aus Kolumbien und Revalidierung von Hemigrammus falsus Meinken, 1958 (Teleostei: Ostariophysi: Characidae). Vert. Zool. 65(1):3-14. (Ref. 101436)
IUCN 瀕危狀態 (Ref. 130435: Version 2025-2 (Global))
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基於模型的估計
系統發育多樣性指數 (參考文獻 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01259 (0.00515 - 0.03077), b=3.05 (2.86 - 3.24), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245). |
營養階層 (參考文獻 69278) |
3.3 ±0.4 se; based on size and trophs of closest relatives |
回復力 (參考文獻 120179) |
高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.). |
釣魚的脆弱性 (Ref. 59153) |
Low vulnerability (11 of 100). 🛈 |