Morphology Data of Monodactylus argenteus
Identification keys
Abnormalities
Main Ref. Masuda, H., K. Amaoka, C. Araga, T. Uyeno and T. Yoshino, 1984
Appearance refers to
Bones in OsteoBase

Sex attributes

Specialized organs
Different appearance
Different colors
Remarks

Descriptive characteristics of juvenile and adult

Striking features none
Body shape lateral short and / or deep
Cross section compressed
Dorsal head profile clearly convex
Type of eyes more or less normal
Type of mouth/snout more or less normal
Position of mouth terminal
Type of scales
Diagnosis

Description: Body diamond-shaped, depth 1.2-1.6 times in standard length (Ref. 52193). Eyes large; mouth small; maxilla width 3.4-5.0 in orbit diameter (Ref. 52193, 90102). Dorsal fin with 8 spines and 27-30 soft rays; anal fin with 3 spines and 27-30 soft rays; pelvic fins small or absent (Ref. 52193). Scales small, 52-58 in lateral line; scales over base of dorsal and anal fins (Ref. 52193).

Colouration: Adults bright silver with yellow and dusky dorsal fin tip; small juveniles more colourful with yellow over most of the dorsal fin and two vertical black bands over the head, one through the eye and the second behind the head (Ref. 48636, 52193). Fins yellow except pectoral translucent. (Ref. 90102).

Ease of Identification

Meristic characteristics of Monodactylus argenteus

Lateral Lines 1 Interrupted: No
Scales on lateral line 50 - 65
Pored lateral line scales
Scales in lateral series
Scale rows above lateral line
Scale rows below lateral line
Scales around caudal peduncle
Barbels 0
Gill clefts (sharks/rays only)
Gill rakers
on lower limb 18 - 22
on upper limb 6 - 8
total 25 - 28
Vertebrae
preanal
total

Fins

Dorsal fin(s)

Attributes no striking attributes
Fins number 1
Finlets No. Dorsal   
Ventral  
Spines total 7 - 8
Soft-rays total 27 - 31
Adipose fin absent

Caudal fin

Attributes more or less truncate; more or less normal

Anal fin(s)

Fins number 1
Spines total 3 - 3
Soft-rays total 27 - 32

Paired fins

Pectoral Attributes  more or less normal
Spines     0
Soft-rays   16 - 18
Pelvics Attributes  suppressed/absent
Position    absent
Spines     1
Soft-rays   2 - 3
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
Comments & Corrections
Back to Search
cfm script by eagbayani, 17.10.00, php script by rolavides, 13/03/08 ,  last modified by sortiz, 06.27.17