Morphology Summary - Encrasicholina devisi
Dados morfológicos de Encrasicholina devisi
Chaves de identificação
Abnormalities
Ref. principal Whitehead, P.J.P., G.J. Nelson and T. Wongratana, 1988
Aparência refere-se a
Bones in OsteoBase

Atributos do sexo

órgãos especializados no special organs
aparência diferente males alike females
cores diferentes males alike females
Notas

Características descritivas dos juvenis e dos adultos

Características determinantes none
Forma lateral do corpo  (shape guide) elongated
Secção 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
Tipo de balança cycloid scales
Diagnose

Diagnosis: Body rather cylindrical, belly rounded, with 5-6, rarely 3 or 4, sharp needle-like pre-pelvic scutes; maxilla tip pointed, projecting beyond second supra-maxilla and reaching to sub-operculum; isthmus short, preceded by a small bony plate on urohyal between branchial membranes; lower gillrakers 20-27; unbranched dorsal and anal finrays 3, anal fin short, with usually 15-17 branched finrays; in life, a bright silver band on flank, with a thin blue line above, back blue/grey (Ref. 189). It closely resembles Encrasicholina heteroloba, which has only 2 unbranched dorsal and anal finrays, a dull silver/grey band on flank, and the back beige; Encrasicholina oligobranchus has only 17-18 gillrakers; other species of Encrasicholina have a fleshy urohyal plate and a maxilla tip blunt and not projecting beyond the second supra-maxilla; species of Stolephorus have a long isthmus reaching to the margin of the branchial membrane (Ref. 189).

Description: Body rather cylindrical, belly rounded (Ref. 189). Snout prominent; tip of maxilla pointed (Ref. 2871, 30573). A small silvery plate in front of isthmus (Ref. 2871). Number of gill rakers on upper limb 19-21 and on lower limb 20-27 (Ref. 189, 122132). With 3 unbranched dorsal- and anal-fin rays; anal fin origin behind base of last dorsal-fin ray (Ref. 30573). With 3-6 sharp needle-like pre-pelvic scutes, no post-pelvic scutes (Ref. 189, 30573).

Colouration: In life, a bright silver band on flank, with a thin blue line above, back blue/grey (Ref. 189, 30573). A small silvery plate in front of isthmus (Ref. 30573).

Facilidade de identificação

Características merísticas de Encrasicholina devisi

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 0
Fissuras branquiais (tubarões/raias apenas)
Raios branquiais
no membro inferior 20 - 27
no membro superior 19 - 21
total
Vértebras
Pré-anal
total

Barbatana

Barbatana(s) dorsal(dorsais)

Atributos no striking attributes
Número de barbatanas 1
No. de pínulas Dorsal   
Ventral  
Total de espinhos
Total de raios moles
Barbatana adiposa absent

Barbatana caudal  (shape guide)

Atributos forked; more or less normal

Barbatana(s) anal(anais)

Número de barbatanas 1
Total de espinhos 0 - 0
Total de raios moles 18 - 20

Barbatana pares

Peitoral Atributos  more or less normal
espinhos     
Raios moles   
Pélvica Atributos  more or less normal
posição    abdominal  before origin of D1
espinhos     
Raios moles   
(ex. 9948)
(ex. oophagy)
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Comentários & correcções
cfm script by eagbayani, 17.10.00, php script by rolavides, 13/03/08 ,  modificado pela última vez por sortiz, 06.27.17