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Characiformes (Characins) >
Characidae (Characins; tetras) > Stevardiinae
Etymology: Chrysobrycon: Greek, chrysos = golden + Greek, ebryko = to bite; eliasi: The species is named as patronym in honor and memory to the late Elias Vanegas G., father of the senior author (J.V-R.) (Ref. 88954).
Environment: milieu / climate zone / depth range / distribution range
生態学
; 新鮮な水 外洋の. Tropical; 12°S - 13°S, 69°W - 70°W
South America: Peru. Known from different localities of the río Madre de Dios basin and the upper río Manuripe basin, both flowing into the río Madeira basin, Peru (Ref. 88954).
サイズ / 重さ / 年齢
Maturity: Lm ? range ? - ? cm
Max length : 4.0 cm SL オス/雌雄の選別がない; (Ref. 88954); 4.4 cm (female)
簡単な記述
形態学 | 形態計測学
Chrysobrycon eliasi is distinguished from its congeners by the maxillary teeth, tricuspidates, bicuspidates, and conical, vs. all maxillary teeth tricuspidate to pentacuspidate in C. myersi and C. hesperus. Chrysobrycon eliasi also has the terminal lateral-line tube developed between caudal-fin rays 10-11 vs. absence of the terminal lateral-line tube in C. myersi and C. hesperus. Furthermore, Chrysobrycon eliasi differs from C. hesperus by the presence of 6-15 (mode = 11; n = 28) maxillary teeth occupying more than 70% of the length of the maxilla in adults, vs. maxilla with 2-9 teeth (mode = 3; n = 11) occupying less than 70% of its length in adults, and a lower number of predorsal scales 18-22 (mode = 19; n = 28) vs. 22-23 (mode = 22; n = 11), respectively. Chrysobrycon eliasi is also readily differentiated from C. myersi by a smaller dorsal-fin to hypural complex length 36.32-41.17% SL vs. 42.19-47.38% SL; smaller gill-gland length in males, 3.57-5.05% SL vs. 6.52-6.66% SL; shorter maxillary length, 33.76-38.75% HL vs. 39.85-48.28% HL; and a lower number of branched anal-fin rays, 24-30 vs. 33-36. Chrysobrycon eliasi has a different pattern of scales near to the pouch scale of males; the additional small scale is set under the pouch scale and its ventral border is not seen in the lateral view (Ref. 88954).
Life cycle and mating behavior
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Vanegas-Ríos, J.A., M.d.l.M. Azpelicueta and H. Ortega, 2011. Chrysobrycon eliasi, new species of stevardiine fish (Characiformes: Characidae) from the río Madre de Dios and upper río Manuripe basins, Peru. Neotrop. Ichthyol. 9(4):731-740. (Ref. 88954)
Human uses
より多くの情報
共通名の類義語代謝捕食動物生態毒性繁殖成熟放精卵の集合体生産力卵卵の開発
Age/Size成長体長-重さLength-length体長組成形態計測学形態学幼生幼生の動力補充豊度BRUVS
参考文献水産養殖水産養殖の紹介緊張遺伝子のElectrophoreses遺伝病気行列NutrientsMass conversion
協力者画像Stamps, Coins Misc.音シガテラ（食中毒の名前）速度泳ぐ 型式カマOtoliths脳視覚
用具
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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 = 0.5312 [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).
栄養段階 (Ref.
69278): 3.0 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
