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分類 / 名稱 俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei > Characiformes (Characins) > Acestrorhamphidae (American tetras) > Hyphessobryconinae
Etymology: Hyphessobrycon:Greek, hyphesson, -on, -on = a little smaller + Greek, bryko = to bite (Ref. 45335); eilyos:From the Greek eilyos, den, lurking-place, in allusion to the habitat (backwaters chocked with vegetal matter) occupied by the new species (and according to local information, shared with anacondas, Eunectes murinus). Noun in apposition.
脊椎骨: 32 - 34. Diagnosis: Hyphessobrycon eilyos is distinguished from its congeners by the absence of humeral and caudal spots; by the presence of numerous dark chromatophores on the lateral surface of the body, with the chromatophores intensely concentrated on the ventral region from the pelvic-fin origin to the end of the caudal-fin base; dorsal, adipose, and caudal fins with carmine red pigmentation in life; the presence of 7-11 maxillary teeth; 6 or 7 horizontal scale rows between the dorsal fin origin and the lateral line; and 15 to 19 branched anal-fin rays. Detailed comparisons between H. eilyos and congeners sharing a general dark color pattern are presented in the "Discussion" (Ref. 52338). Body shape (shape guide): elongated; Cross section: compressed. 鑑別: Hyphessobrycon eilyos 被與它的同類藉由缺少肱骨而尾部的斑點區分; 藉由有在身體的側面表面上的很多深色的色素胞,與色素胞密集專注於尾鰭基底的腹區域從腹鰭起點到末端; 背部的, 用洋紅色紅色的顏色活著時的脂肪 , 與尾鰭; 那有 7-11 上顎齒; 在背鰭起源與側線之間的 6 或 7 水平的鱗片列; 而且 15 到 19個分枝的臀鰭棘條。 在 H. eilyos 與分享一個一般的深色彩色斑紋的同類之間的詳細比較在 " 討論 " 出現。 (參考文獻 52338)
Lima, F.C.T. and C.R. Moreira, 2003. Three new species of Hyphessobrycon (Characiformes: Characidae) from the upper rio Araguaia basin in Brazil. Neotrop. Ichthyol. 1(1):21-33. (Ref. 52338)
