Ref. principal | Aquino, A.E. and S.A. Schaefer, 2010 |
Aparência refere-se a | |
Bones in OsteoBase |
órgãos especializados | |
aparência diferente | |
cores diferentes | |
Notas | Male urogenital papilla is elongated; patch of tightly arranged small odontodes on four paired plates between pelvic-fin origin and anus; with soft-tissue flap on dorsal proximal surface of first branched pelvic-fin ray. Female anus tubular, without separate urogenital papilla; the size and arrangement of odontodes on plates lateral to anus similar to adjacent plates, without distinct patch of differentially arranged odontodes (Ref. 84367). |
Características determinantes | |
Forma lateral do corpo | elongated |
Secção transversal | |
Perfil dorsal da cabeça | |
Tipo de olhos | |
Tipo de boca/focinho | |
Posição da boca | |
Type of scales | |
Diagnose |
This species is distinguished from its congeners except H. sternoptychum, by the pattern of abdominal plates, consisting of a pair of slender plates posterior to the coracoids followed by a series of 1-3 unpaired medial abdominal plates (vs. 2-3 series of abdominal plates), by having the posterior process of the coracoids strongly curved, the distal tip pointing dorsally (vs. posterior process smoothly curved, with distal tip pointing posterodorsally), and by the absence of basipterygium fenestrae (vs. with basipterygium fenestrae). It is distinguished from H. sternoptychum by the absence of thoracic plates and fewer total lateral plates 20-22 (20) (vs. 21-22 (21)), fewer dentary teeth 20-31 (24) (vs. 21-37 (30)), narrow dorsal interorbital distance with mean dorsal interorbital distance of 58.5 (vs. 63.5), pelvic fin placed more anteriorly and mean abdominal length 12.7 (vs. 15.5), shorter pectoral fin; length not reaching anal-fin origin with mean pectoral-fin spine length 29.8 (vs. 39.3), and by the absence of marginal odontodes (vs. marginal odontodes present in adults longer of 35 mm SL) (Ref. 84367). |
Facilidade de identificação |
Linhas laterais | interrompido: No |
Escamas na linha lateral | |
Escamas da linha lateral com poros | |
Escamas em séries laterais | |
Fileiras de escamas acima da linha lateral | |
Fileiras de escamas abaixo da linha lateral | |
Escamas em torno do pedúnculo caudal | |
Barbilhões | |
Fissuras branquiais (tubarões/raias apenas) | |
Raios branquiais | |
no membro inferior | |
no membro superior | |
total | |
Vértebras | |
Pré-anal | |
total | 25 - 25 |
Atributos | |
Número de barbatanas | |
No. de pínulas | Dorsal |
Ventral | |
Total de espinhos | |
Total de raios moles | |
Barbatana adiposa |
Atributos |
Número de barbatanas | |
Total de espinhos | |
Total de raios moles |
Peitoral | Atributos |
espinhos | |
Raios moles | |
Pélvica | Atributos |
posição | |
espinhos | |
Raios moles |