| Ref. principal | Paugy, D., 2003 |
| Aparência refere-se a | |
| Bones in OsteoBase |
| órgãos especializados | no special organs |
| aparência diferente | always different morphology between mature adults |
| cores diferentes | males alike females |
| Notas | Pronounced sexual dimorphism affecting the shape of the anal fin. |
| Características determinantes | none |
| Forma lateral do corpo (shape guide) | fusiform / normal |
| Secção transversal | |
| Perfil dorsal da cabeça | more or less straight |
| Tipo de olhos | more or less normal |
| Tipo de boca/focinho | more or less normal |
| Posição da boca | terminal |
| Tipo de balança | cycloid scales |
| Diagnose |
Diagnosis: multicuspid teeth set in two rows and not overlapping the jaws when the mouth is closed; teeth stout, not compressed; eyes without or with weakly developed adipose lids; anal fin with 22-26 rays (Ref. 28714). At most 27 gill rakers on lower limb of first gill arch (18-27); 3 unbranched and 18-23 branched anal-fin rays; dorsal-fin origin distinctly behind level of pelvic-fin insertions (Ref. 2880, 81279). Scales small (Ref. 28714), 43-51 in lateral line (Ref. 2880, 81279). Description: dorsal-fin origin behind level of pelvic-fin insertions, but not as far back as in A. baremoze; well developed fontanel (Ref. 2880, 81279). See additional characters for A. baremoze for sexual dimorphism in Alestes species. Colouration: silvery color, back darker gray or bluish, belly white; fins grayish or slightly tinted with yellow orange; inferior lobe of caudal red; both caudal lobes edged with black along fork; no humeral or precaudal spots (Ref. 2880, 81279). |
| Facilidade de identificação |
| Linhas laterais | 1 interrompido: No |
| Escamas na linha lateral | 43 - 51 |
| Escamas da linha lateral com poros | |
| Escamas em séries laterais | |
| Fileiras de escamas acima da linha lateral | 7.5 - 8.5 |
| Fileiras de escamas abaixo da linha lateral | 3.5 - 3.5 |
| Escamas em torno do pedúnculo caudal | |
| Barbilhões | 0 |
| Fissuras branquiais (tubarões/raias apenas) | |
| Raios branquiais | |
| no membro inferior | 18 - 27 |
| no membro superior | |
| total | |
| Vértebras | |
| Pré-anal | |
| total | 45 - 48 |
| Atributos | no striking attributes |
| Número de barbatanas | 1 |
| No. de pínulas | Dorsal |
| Ventral | |
| Total de espinhos | |
| Total de raios moles | |
| Barbatana adiposa | present |
| Atributos | forked; more or less normal |
| Número de barbatanas | 1 |
| Total de espinhos | 0 - 0 |
| Total de raios moles | 21 - 26 |
| Peitoral | Atributos more or less normal |
| espinhos | |
| Raios moles | |
| Pélvica | Atributos more or less normal |
| posição abdominal before origin of D1 | |
| espinhos | |
| Raios moles |