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); rutiliflavidus: Derived from the Latin adjectives rutilus (reddish), and flavidus (yellowish), in reference to the in vivo coloration of fins, respectively, in males and females..
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 底中水層性.
South America: known only from córrego Pipa, upper Rio Paraguai in Brazil.
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 5.8 cm SL 雄魚/尚未辨別雌雄; (Ref. 74929)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背的軟條 (總數) : 11; 臀鰭軟條: 18 - 23; 脊椎骨: 32 - 33. Distinguished from all other members of the genus Hyphessobrycon by the following combination of characters: black humeral spot, slightly diffuse at its tips; presence of caudal-peduncle blotch; midlateral longitudinal body stripe, conspicuous in its posteriormost portion , from vertical through anterior third of pectoral fin to caudal-peduncle blotch, reaching to the tips of the middle caudal rays; iii,15 - iv,9 anal fin rays (mode iv,17); upper jaw length 42.3-49.5% HL; 2-5 teeth (mode 3) on maxilla; all fins reddish orange in males and yellowish in females (Ref. 74929).
Prefers to inhabit lentic areas with cold and transparent water and with mostly silt and rock substrates (Ref. 74929). Occurs syntopically with Parodon aff. nasus, Astyanax asuncionensis, Knodus chapadae, Hypostomus sp., Ancistrus sp. (Ref. 74929). Feeds on vascular plants, algae and arthropods belonging to Aranae and Hymenoptera-Formicidae (Ref. 74929).
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
Carvalho, F.R., F. Langeani, C.S. Miyazawa and W.P. Troy, 2008. Hyphessobrycon rutiliflavidus n.sp., a new characid fish from the upper rio Paraguai, State of Mato Grosso, Brazil (Characiformes: Characidae). Zootaxa 1674:39-49. (Ref. 74929)
IUCN 瀕危狀態 (Ref. 130435)
無危 (LC) ; Date assessed: 07 November 2018
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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=0.01413 (0.00671 - 0.02974), b=3.08 (2.91 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-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).
