Morphology Data of Gymnocranius microdon
Identification keys
Abnormalities
Main Ref. Carpenter, K.E. and G.R. Allen, 1989
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 fusiform / normal
Cross section oval
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 ctenoid scales
Diagnosis

Description: Eye is large, its diameter about equal to the width of preorbital and interorbital spaces. The mouth is relatively small. The posterior part of the jaws reaches to about the level of the nostril openings. Overall color is silvery to brownish. Scale borders have a narrow brown border. Numerous vertically elongate blue spots are on the snout and cheek and sometimes on the operculum. Fins are clear to yellow or reddish, caudal fin sometimes dusky brown. Juveniles with a mostly vertical banded pattern (Ref. 48635). Body depth 2.5-3.0 in SL (Ref. 90102).

Ease of Identification

Meristic characteristics of Gymnocranius microdon

Lateral Lines 1 Interrupted: No
Scales on lateral line 50 - 52
Pored lateral line scales 46 - 52
Scales in lateral series
Scale rows above lateral line 5.5 - 5.5
Scale rows below lateral line
Scales around caudal peduncle
Barbels 0
Gill clefts (sharks/rays only)
Gill rakers
on lower limb 5 - 6
on upper limb 2 - 4
total 7 - 10
Vertebrae
preanal
total

Fins

Dorsal fin(s)

Attributes no striking attributes
Fins number 1
Finlets No. Dorsal   0 - 0
Ventral  0 - 0
Spines total 10 - 10
Soft-rays total 9 - 10
Adipose fin absent

Caudal fin

Attributes forked; more or less normal

Anal fin(s)

Fins number 1
Spines total 3 - 3
Soft-rays total 9 - 10

Paired fins

Pectoral Attributes  more or less normal
Spines     0
Soft-rays   14 - 14
Pelvics Attributes  more or less normal
Position    thoracic  beneath origin of D1
Spines     1
Soft-rays   5 - 5
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
Entered by Reyes, Rodolfo B.
Modified by Olisa, Kristine Elaine Paz
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cfm script by eagbayani, 17.10.00, php script by rolavides, 13/03/08 ,  last modified by sortiz, 06.27.17