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) > Stethaprioninae
Etymology: Hyphessobrycon: Greek, hyphesson, -on, -on = a little smaller + Greek, bryko = to bite (Ref. 45335); otrynus: The specific epithet otrynus is from the Greek meaning spur, in reference to the two very
large spur-like hooks (processes of last unbranched and first branched anal-fin rays)..
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 大洋性.
South America: Orinoco River Basin.
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 3.4 cm SL 雄魚/尚未辨別雌雄; (Ref. 101340)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
This species is distinguished from all other known congeners, except for H. diancistrus, by the presence of two very large bony hooks (in adult males) curving dorsally on each side of anal fin, and caudalfin rays black at distal third of their length (distal tips of caudal-fin rays hyaline) (Ref. 75593).
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
Benine, R.C. and G.A.M. Lopes, 2008. A new species of Hyphessobrycon (Characiformes: Characidae) from río Portuguesa, río Orinoco basin, Venezuela. Zootaxa 1747:61-68. (Ref. 75593)
IUCN 瀕危狀態 (Ref. 130435)
無危 (LC) ; Date assessed: 15 November 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=0.01259 (0.00520 - 0.03049), b=3.08 (2.90 - 3.26), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
營養階層 (Ref.
69278): 2.9 ±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).
