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); scutulatus: Specific name derived from Latin 'scutula', in allusion to the lozenge or diamond shaped marks formed by the dark lines bordering the scales of the dorsal portion of the body..
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 底中水層性. 熱帶
South America: upper rio Tapajós system in Brazil.
南美洲: 在巴西的 rio Tapajos 系統上游。
大小 / 重量 / 年齡
Maturity: Lm ?  range ? - ? cm
Max length : 3.5 cm SL 雄魚/尚未辨別雌雄; (Ref. 54770)
簡短描述
型態特徵 | 形態測量圖
背的軟條 (總數): 11; 臀鰭軟條: 21 - 24; 脊椎骨: 37 - 38. Distinguished from all Hyphessobrycon species by the following characters: 7-8 tricuspid teeth in the inner premaxillary tooth row; 5-9 tricuspid teeth in maxilla; 18-21 anal-fin branched rays; small dark spot centered on the basal portion of the median caudal-fin rays, sometimes extending to their distal portions; humeral spot and longitudinal stripe absent; male pelvic fins with hooks; hooks sometimes present in the anal fin (Ref. 54770).
在特徵之後與所有的 Hyphessobrycon 種區分了藉由: 在內部的上頜骨前的齒列中的 7-8 三尖齒; 在顎骨中的 5-9個三尖齒; 18-21個臀鰭分支條; 小的深色斑點在中央尾鰭鰭條的基部部分上集中了, 有時延伸至他們的遠端部份; 肩部的斑點與縱向的斑紋不存在; 雄魚腹鰭有鉤; 鉤在臀鰭中有時候有。 (參考文獻 54770)
描述: 背鰭鰭條 ii,9; 臀鰭棘條 iii,19;(iii,18-21) 胸鰭鰭條 i,10;(i,10-12) 腹鰭鰭條 i,7.(參考文獻 54770)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
南美洲: 在巴西的 rio Tapajos 系統上游。
Lucena, C.A.S. de, 2003. New characid fish, Hyphessobrycon scutulatus, from the rio Teles Pires drainage, upper rio Tapajós system (Ostariophysi: Characiformes: Characidae). Neotrop. Ichthyol. 1(2):93-96. (Ref. 54770)
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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=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this 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).