分類 / 名稱
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Cichliformes (Cichlids, convict blennies)
鱸形目 (Cichlids, convict blennies) >
Cichlidae (Cichlids)
慈鯛科魚類 (Cichlids) > Geophaginae
Etymology: Apistogramma: Greek, apisto = uncertain + Greek, gramma = graphic signal (Ref. 45335); helkeri: Named after Oliver Helker, one of the collectors, who brought this species to the attention of the authors and provided several photos and the information on the collecting site.
Eponymy: Oliver Helker is a German aquarist, who caught the fish-keeping ‘bug’ when he was eight years old. [...] (Ref. 128868), visit book page.
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.
South America: lower río Cuao (Orinoco drainage) in Venezuela.
大小 / 重量 / 年齡
成熟度: Lm ?  range ? - ? cm
Max length : 4.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 94599)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背棘 (總數) : 14 - 15; 背的軟條 (總數) : 7; 臀棘: 3; 臀鰭軟條: 6.
Body shape (shape guide): fusiform / normal.
Collected from a black-water swamp. Occurs in association with other fish which include Nannostomus marginatus Eigenmann, 1909, N. trifasciatus Steindachner, 1876, Carnigiella strigata (Günther, 1864), the dwarf cichlids Laetacara fulvipinnis Staeck & Schindler, 2007 and Apistogramma uaupesi Kullander, 1980 (Ref. 94599).
生命週期和交配行為
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Schindler, I. and W. Staeck, 2013. Description of Apistogramma helkeri sp. n., a new geophagine dwarf cichlid (Teleostei: Cichlidae) from the lower río Cuao (Orinoco drainage) in Venezuela. Vert. Zool. 63(3):301-306. (Ref. 94599)
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=0.01820 (0.00834 - 0.03973), b=2.99 (2.82 - 3.16), 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 (10 of 100). 🛈 |