Dados morfológicos de Ichthyborus monodi
Chaves de identificação
Abnormalities
Ref. principal Vari, R.P., 2007
Aparência refere-se a
Bones in OsteoBase

Atributos do sexo

órgãos especializados no special organs
aparência diferente
cores diferentes
Notas

Características descritivas dos juvenis e dos adultos

Características determinantes striking type of mouth
Forma lateral do corpo elongated
Secção transversal compressed
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
Type of scales ctenoid scales
Diagnose

Diagnosis: snout longer than half the head length (southern Nigeria and Cameroon); body depth 5.25-7x and head length 2.8-3x SL; head 3.75-4.85x longer than wide; snout more than half of head length (53-58%); scale formula 11.5-13.5/95-100/11-13 (Ref. 2936, 86396). 92-104 (Ref. 81638) or 95-100 (Ref. 2936, 86396) lateral line scales.

Description: originally named Gavialocharax on account of its long, beak-like snout; upper jaw with 2 canines anteriorly, followed by 18-27 teeth becoming gradually smaller; lower jaw armed with single anterior canine and 17-23 lateral teeth; 25-28 scales around caudal peduncle; 7-8.5 scales between lateral line and pelvic-fin bases (Ref. 2936, 86396). Jaws very elongate and slender, with upper jaw pivoting upwards on snout to result in pronounced gape when mouth open; anterior teeth becoming progressively shorter posteriorly with posterior teeth more closely packed; caudal fin forked with lobes rounded and densely covered with small scales; 7-8 scales between anal fin origin and lateral line; D: II-III,11-13; A: II-III,13-15 (Ref. 81638). Small scales, strongly ctenoid (Ref. 2936, 81638, 86396).

Coloration: side and lower part of body silvery; back, snout and top of head olivaceous green (Ref. 2936, 86396). Preserved specimens yellowish brown; mid-dorsal region of body dark from rear of head to origin of dorsal fin (Ref. 81638). Dark mid-lateral band from eye to central part of caudal fin; a second dorso-lateral dark band from nape to base of caudal fin, joining mid-dorsal profile at level of adipose fin (Ref. 2936, 86386). Lobes of caudal fin with 2 transverse dark bands and with distal dark spots variable present on distal portions of each lobe (Ref. 81638).

Facilidade de identificação

Características merísticas de Ichthyborus monodi

Linhas laterais 1 interrompido: No
Escamas na linha lateral 92 - 104
Escamas da linha lateral com poros
Escamas em séries laterais
Fileiras de escamas acima da linha lateral 11.5 - 13.5
Fileiras de escamas abaixo da linha lateral 11 - 13
Escamas em torno do pedúnculo caudal 25 - 28
Barbilhões 0
Fissuras branquiais (tubarões/raias apenas)
Raios branquiais
no membro inferior
no membro superior
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 0 - 0
Total de raios moles 13 - 17
Barbatana adiposa present

Barbatana caudal

Atributos forked; more or less normal

Barbatana(s) anal(anais)

Número de barbatanas 1
Total de espinhos 0 - 0
Total de raios moles 15 - 18

Barbatana pares

Peitoral Atributos  more or less normal
espinhos     
Raios moles   
Pélvica Atributos  more or less normal
posição    abdominal  beneath origin of D1
espinhos     
Raios moles   9 - 10
Ref. principal (ex. 9948)
Glossário ( ex. cephalopods )
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cfm script by eagbayani, 17.10.00, php script by rolavides, 13/03/08 ,  modificado pela última vez por sortiz, 06.27.17