分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Characiformes (Characins) >
Stevardiidae (Stevardiids) > Diapominae
Etymology: Monotocheirodon: Greek, monos = one + Greek, cheir = hand + Greek, odous = teeth (Ref. 45335); drilos: The specific name drilos is Greek masculine meaning penis. It is used in reference to the
prominent male inseminating organ. A noun in apposition.
Environment: milieu / climate zone / 深度上下限 / distribution range
生態學
; 淡水 底中水層性.
South America: Ríos Tambopata and Madre de Dios, Río Madre de Dios basin in Peru.
大小 / 重量 / 年齡
成熟度: Lm ? range ? - ? cm
Max length : 3.3 cm SL 雄魚/尚未辨別雌雄; (Ref. 94699); 3.8 cm SL (female)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背的軟條 (總數) : 9 - 10; 臀鰭軟條: 11 - 14; 脊椎骨: 37 - 38. This species can be distinguished from its congeners by having the following characters: urogenital papilla externally visible in both males and females (vs. absent in M. pearsoni); length of urogenital papilla of sexually active males is shorter, half length of anal-fin base (vs. about equal to length of anal fin-base in M. kontos); dorsal fin height 16.1-17.8% SL in females and juveniles (vs. 13.4-15.8% SL in M. kontos); and 5 premaxillary tooth cusps (vs. 7 in M. kontos) (Ref. 94699).
Body shape (shape guide): fusiform / normal.
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Menezes, N.A., S.H. Weitzman and I. Quagio-Grassiotto, 2013. Two new species and a review of the inseminating freshwater fish genus Monotocheirodon (Characiformes: Characidae) from Peru and Bolivia. Papéis Avulsos de Zoologia (Museu de Zoologia da Universidade de São Paulo) 53(10):129-144. (Ref. 94699)
IUCN 瀕危狀態 (Ref. 130435: Version 2025-1)
人類使用
漁業: 沒有興趣
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Estimates based on models
Phylogenetic diversity index (參考文獻
82804): PD
50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01585 (0.00672 - 0.03736), b=3.00 (2.80 - 3.20), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (參考文獻
69278): 2.8 ±0.3 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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