分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | 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: Poecilia: Greek, poikilos = with a lot of colours (Ref. 45335); rositae: Named for Mrs. Rosita Bonhaus, Melle, for her considerable contribution to the production process of numerous aquaristic books, including the new atlas of livebearing fishes.
Eponymy: Rosita Bonhaus is the “long-term partner” of aquarium-book publisher Hans-Albrecht Baensch (q. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 底中水層性.
Central America: Río Cahabón system in Guatemala.
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 5.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 75917)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背的軟條 (總數) : 10; 臀鰭軟條: 9; 脊椎骨: 27 - 28. Belongs to the Poecilia (M.) mexicana subgroup of shortfin mollies, which is distinguished by the following characters: longitudinal scale series 28 (rarely 27 or 29), vs. 26 to 27 in Poecilia (M.) mechthildae; predorsal scales 13-14, vs. 12-13 in
Poecilia (M.) mechthildae; caudal peduncle scales 16, vs. 18 in Poecilia (M.) mexicana; pectoral rays 15, vs. 16-17 in Poecilia (M.) mechthildae; dorsal rays 10, vs. 11 in Poecilia (M.) gracilis, 7-8 in Poecilia (M.) sulphuraria; females sometimes lack rows of black spots on body sides, vs. rows of black spots present in Poecilia (M.) sulphuraria, Poecilia (M.) mexicana, vs. weakly developed Poecilia (M.) gracilis; serrae of gonopodium ray 4p massive, vs. less massive in Poecilia (M.) mexicana, Poecilia (M.) gracilis, Poecilia (M.) mechthildae and Poecilia (M.) sulphuraria; distal spine series of gonopodium ray 3 long, vs. short in Poecilia (M.) mexicana, Poecilia (M.) mechthildae and Poecilia (M.) sulphuraria; distal membranous plate absent, vs. present in Poecilia (M.) mexicana (Ref. 75917).
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Meyer, M.K., K. Schneider, A.C. Radda, B. Wilde and M. Schartl, 2004. A new species of Poecilia, subgenus Mollienesia, from Upper Río Cahabón system, Guatemala, with remarks on the nomenclature of Mollienesia petenensis Günther, 1886 (Teleostei: Cyprinodontiformes: Poeciliidae). Zool. Abh. 54:145-154. (Ref. 75917)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-2)
瀕危 (EN) (B1ab(iii)); Date assessed: 04 February 2020
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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=0.01318 (0.00564 - 0.03080), b=3.14 (2.96 - 3.32), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
營養階層 (Ref.
69278): 2.7 ±0.3 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).
