Hemibrycon raqueliae Román-Valencia & Arcila-Mesa 2010

Diagnosed from other species of Hemibrycon by possessing the following characters: a widened first tooth on the maxilla with the remaining teeth decreasing sharply in size; the first maxilla tooth pentacuspid and wider than the others (vs. first tooth on maxilla unicuspid or tricuspid and of same size as the others, except in Hemibrycon colombianus and Hemibrycon virolinica); absence of an expansion on the ventral anterior tip of the maxilla (vs. with expansion on the ventral anterior tip of the maxilla, except in Hemibrycon metae). Diagnosed from Hemibrycon colombianus in having 42-46 pored scales in the lateral line (vs. 46-54); and from the species of Hemibrycon from the upper and middle Río Magdalena drainage in having 25-29 branched anal-fin rays (vs. 19-24) (Ref. 83529).Description: Dorsal fin ii-iii,7-8; anal fin iii-iv,23-28; pectoral fin ii,9-11; pelvic fin ii-iii,6 (Ref. 83529).

Vertebrae: 42 - 43

Inhabits creeks with surface temperature 21.5°C, air temperature 22.4°C, dissolved oxygen7.0mg/l and 60% saturation, width 5-6 m, substrate composed of stone, sand, and decaying organic in decomposition and detritus and crystalline water (Ref. 83529).

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Hemibrycon raqueliae Hemibrycon generoko animalia da. Arrainen barruko Actinopterygii klasean sailkatzen da, Characidae familian.

鋒齒半齧脂鯉，為輻鰭魚綱脂鯉目脂鯉亞目脂鯉科的其中一個種，分布於南美洲哥倫比亞馬格達萊納河及La Miel河流域，體長可達9.9公分，棲息在底中層水域，生活習性不明。