Morphology Data of Spratelloides gracilis
Identification keys
Abnormalities
Main Ref. Whitehead, P.J.P., 1985
Appearance refers to
Bones in OsteoBase

Sex attributes

Specialized organs no special organs
Different appearance males alike females
Different colors males alike females
Remarks

Descriptive characteristics of juvenile and adult

Striking features none
Body shape lateral fusiform / normal
Cross section oval
Dorsal head profile more or less straight
Type of eyes more or less normal
Type of mouth/snout more or less normal
Position of mouth terminal
Type of scales cycloid scales
Diagnosis

Maxilla toothed, triangular pre-maxillae, 2 supra-maxillae, second supra-maxilla asymmetrical (lower part larger than upper part), vertical striae on scales not meeting at center; W-shaped pelvic scute; few branchiostegal rays (6 or 7).

Description: Characterized by bluish body color; predorsal scales about 18-20; depth of body 5.8-7.6 in SL (Ref. 90102).

Ease of Identification

Meristic characteristics of Spratelloides gracilis

Lateral Lines 1 Interrupted: No
Scales on lateral line
Pored lateral line scales
Scales in lateral series 42 - 48
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 27 - 37
on upper limb 7 - 9
total 34 - 46
Vertebrae
preanal
total

Fins

Dorsal fin(s)

Attributes no striking attributes
Fins number 1
Finlets No. Dorsal   0 - 0
Ventral  0 - 0
Spines total 0 - 0
Soft-rays total 12 - 13
Adipose fin absent

Caudal fin

Attributes forked; more or less normal

Anal fin(s)

Fins number 1
Spines total 0 - 0
Soft-rays total 12 - 13

Paired fins

Pectoral Attributes  more or less normal
Spines     0
Soft-rays   13 - 15
Pelvics Attributes  more or less normal
Position    abdominal  behind origin of D1
Spines     0
Soft-rays   8 - 8
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
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