Ref. principal | Hata, H. and H. Motomura, 2021 |
Aparência se refere a | |
Bones in OsteoBase |
órgãos especializados | no special organs |
Aparência diferente | males alike females |
Cores diferentes | males alike females |
Notas |
Características determinantes | none |
Forma lateral do corpo | elongated |
Seção transversal | circular |
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 | sub-terminal/inferior |
Type of scales | cycloid scales |
Diagnose |
This species is distinguished by the following set of characters: unbranched dorsal and anal fin rays 3; branched pectoral-fn rays 11-14 (modally 12); pseudobranchial flaments 16-22 (16); first gill arch with upper limb gill rakers 12-14 (13), lower limb 16-18 (17), total 28-32 (30); second gill arch with upper limb gill rakers 10-11 (10), lower limb 12-17 (16), total 22-27 (27); third gill arch with upper limb gill rakers 8-9 (9), lower limb 10-11 (10), total 18-20 (18); fourth gill arch with upper limb gill rakers 6-8 (7), lower limb 8-9 (8), total 14-16 (19); gill rakers 3-5 (4) on hind face of third gill arch; spine-like scutes on abdomen 3-6 (4); transverse scales 8-9 (9); exposed urohyal bony, without fleshy knobs; head is large, its length 28.3-29.8% (mean 28.9%) of SL; maxilla rather is long, its length 19.0-20.7% (19.9%) of SL, its posterior tip just reaching to anterior margin of preopercle; lower jaw is rather long, its length 19.1-20.5% (19.7%) of SL; orbit is long, its diameter 8.3-8.8% (8.6%) of SL; snout is long, its length 4.9-5.2% (5.1%) of SL; body is elongate, its depth 13.3-15.3% (14.5%) of SL; pelvic fin is short, its length 8.7-9.4% (9.0%) of SL (Ref. 124514). |
Facilidade de Identificação |
Linhas laterais | Interrompido(a): No |
Escamas na linha lateral | 39 - 43 |
Escamas da linha lateral com poros | |
Escamas em séries laterais | |
Fileiras de escamas acima da linha lateral | 0 - 0 |
Fileiras de escamas abaixo da linha lateral | 0 - 0 |
Escamas em torno do pedúnculo caudal | |
Barbilhões | 0 |
Aberturas branquiais (tubarões/raias apenas) | |
Rastros branquiais | |
no membro inferior | 17 - 18 |
no membro superior | |
total | |
Vértebras | |
Pré-anal | |
total |
Atributos | no striking attributes |
Número de nadadeiras | 1 |
Nro. de pínulas | Dorsal 0 - 0 |
Ventral 0 - 0 | |
Total de espinhos | 0 - 0 |
Total de raios | |
Nadadeira adiposa | absent |
Atributos | forked; more or less normal |
Número de nadadeiras | 1 |
Total de espinhos | 0 - 0 |
Total de raios | 15 - 15 |
Peitoral | Atributos more or less normal |
espinhos 0 | |
raios | |
Pélvicas | Atributos more or less normal |
Posição abdominal before origin of D1 | |
espinhos 0 | |
raios 7 - 7 |