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) > Cheirodontinae
Etymology: Pseudocheirodon: Greek, pseudes = false + Greek, cheir = hand + Greek, odous = teeth (Ref. 45335).
Issue
Redescribed (as Cheirodon terrabae) in Fink & Weitzman (1974).
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 底中水層性. 熱帶; 21°C - 30°C (Ref. 36880)
Central America: Grande de Terraba, Jicote, and Pirris River basins in Costa Rica.
中美洲: 重大的 de Terraba , Jicote 與 Pirris 河流域。
大小 / 重量 / 年齡
Maturity: Lm ?  range ? - ? cm
Max length : 5.1 cm SL 雄魚/尚未辨別雌雄; (Ref. 37055)
Inhabits creeks and river backwaters in current of low to moderate velocity. Found between 0 and 680 m elevation. Abounds on shorelines with considerable vegetation. Ingests "aufwuchs", filamentous algae and diatoms (Ref. 36880).
在低到中速度的水流中棲息於小溪與河洄水區。 發現在 0 與 680 公尺海拔之間了。 大量存在於海岸線,植物多的地方。 攝取 " 附著生物 " ,菌絲藻與矽藻。 (參考文獻 36880)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
中美洲: 重大的 de Terraba , Jicote 與 Pirris 河流域。
Malabarba, L.R., 1998. Monophyly of the Cheirodontinae, characters and major clades (Ostariophysi: Characidae). p. 193-233. In L.R. Malabarba, R.E. Reis, R.P. Vari, Z.M.S. Lucena and C.A.S. Lucena (eds.) Phylogeny and classification of neotropical fishes. Porto Alegre: EDIPUCRS. (Ref. 34064)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-2)
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01349 (0.00511 - 0.03560), b=3.05 (2.83 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 2.0 ±0.00 se; based on food items.
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).