分類 / Names
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Characiformes (Characins) >
Iguanodectidae ("Lizard bite tetras")
Etymology: Bryconops: Greek, bryko = to bite + Greek, ops = appearance (Ref. 45335); piracolina: The specific epithet name piracolina is given in allusion to its type locality, Igarapé Piracolina. A noun in apposition..
Environment: milieu / climate zone / depth range / distribution range
生態学
; 新鮮な水 外洋の. Tropical; 12°S - 13°S, 60°W - 61°W
South America: Brazil. Known from its type locality, Igarapé Piracolina, a tributary to the rio Madeira, rio Amazonas drainage, about 6 km west of Vilhena, Rondônia (Ref. 87860).
サイズ / 重さ / 年齢
Maturity: Lm ? range ? - ? cm
Max length : 7.1 cm SL オス/雌雄の選別がない; (Ref. 87860)
簡単な記述
検索表 | 形態学 | 形態計測学
Bryconops piracolina belongs to the subgenus Bryconops in having no teeth or rarely one tooth on the maxilla and a naked area on the cheek between the second and third infraorbitals. It is distinguished from all species of this subgenus by the pigmentation of the dorsal fin with a large black blotch extending from near the dorsal-fin base distally in contrast to the dorsal fins of congeneres that are slightly pigmented with scattered chromatophores. Bryconops piracolina furthermore is distinguished from all congeners, except B. inpai Knöppel, Junk & Géry, 1968, by possessing an entirely black adipose fin. It differs from B. inpai by its lack of humeral spots. It further differs from all species of the subgenus Bryconops , except for B. caudomaculatus (Günther, 1864), by having the last scales of the longitudinal series of scales that bears the lateral line series not pored beyond the end of the hypural plate. Bryconops piracolina differs from B. caudomaculatus by the number of pored lateral line scales (31-36, mean 34.6, n = 8, vs. 37-43, mean = 40.6, n = 101, respectively) (Ref. 87860).
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 幼生
Wingert, J.M. and L.R. Malabarba, 2011. A new species of Bryconops (Teleostei: Characidae) from the rio Madeira basin, Northern Brazil. Neotrop. Ichthyol. 9(3):471-476. (Ref. 87860)
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=0.00912 (0.00294 - 0.02831), b=3.10 (2.85 - 3.35), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
栄養段階 (Ref.
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
