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Characiformes (Characins) >
Characidae (Characins; tetras) > Stevardiinae
Etymology: Hemibrycon: Greek, hemi = half + Greek, bryko = to bite (Ref. 45335); rafaelensis: The specific name refers to San Rafael Creek, the drainage system where the new species was collected.
Environment: milieu / climate zone / depth range / distribution range
生態学
; 新鮮な水 底生の漂泳性. Tropical; 18°C - ? (Ref. 77138)
South America: San Rafael Creek and Apia River in the Risaralda River system, upper Cauca River in Colombia.
サイズ / 重さ / 年齢
Maturity: Lm ? range ? - ? cm
Max length : 9.0 cm SL オス/雌雄の選別がない; (Ref. 77138)
簡単な記述
検索表 | 形態学 | 形態計測学
脊つい: 40 - 41. Differs from all other species of the genus by the number of cusps on the row of internal premaxilla teeth (3-5 vs. 5-7 except Hemibrycon surinamensis), the number of predorsal scales (10-12 vs.12-17, except Hemibrycon jelskii and Hemibrycon orcesi ), and by postcleithrum 1 much closer to postcleithrum 2 (vs. postcleithrum 1 and 2 clearly separated).
Inhabits clear water with stone and sand substrates (Ref. 77138).
Life cycle and mating behavior
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Román-Valencia, C. and D.K. Arcila-Mesa, 2008. Hemibrycon rafaelense n. sp. (Characiformes, Characidae), a new species from the upper Cauca River, with keys to Colombian species. Anim. Biodivers. Conserv. 31(1):67-75. (Ref. 77138)
IUCNのレッドリストの状況は (Ref. 130435: Version 2024-1)
Human uses
用具
特記事項
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インターネットの情報源
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=0.00955 (0.00443 - 0.02057), b=3.06 (2.88 - 3.24), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
栄養段階 (Ref.
69278): 3.0 ±0.4 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 高い, １５か月以下の倍増期間の最小個体群 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
