Morphology Data of Corvula sanctaeluciae
Identification keys
Abnormalities
Main Ref. Chao, N.L., 2003
Appearance refers to
Bones in OsteoBase

Sex attributes

Specialized organs
Different appearance
Different colors
Remarks

Descriptive characteristics of juvenile and adult

Striking features
Body shape lateral fusiform / normal
Cross section
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Type of scales
Diagnosis

Colour grey or greyish blue on back, silvery below. Sides with faint streaks, oblique above and longitudinal below lateral line. Fins pale, yellowish, dusted with dark spots. A faint dark spot at pectoral-fin origin. Mouth moderate in size, slightly oblique, terminal. Preopercular margin thin, nearly smooth. Anal fin second spine moderately strong, less than 2/3 the length of first soft ray. Gas bladder with 2 chambers; anterior one yoke-shaped, without appendages on posterior margin, posterior one carrot-shaped. Lapillus (small earstone) enlarged, more than half the size of sagitta (Ref 51721).

Ease of Identification

Meristic characteristics of Corvula sanctaeluciae

Lateral Lines 1 Interrupted: No
Scales on lateral line
Pored lateral line scales 50 - 50
Scales in lateral series
Scale rows above lateral line
Scale rows below lateral line
Scales around caudal peduncle
Barbels
Gill clefts (sharks/rays only)
Gill rakers
on lower limb
on upper limb
total 21 - 25
Vertebrae
preanal
total

Fins

Dorsal fin(s)

Attributes
Fins number 1
Finlets No. Dorsal   0 - 0
Ventral  0 - 0
Spines total 11 - 11
Soft-rays total 21 - 24
Adipose fin absent

Caudal fin

Attributes more or less truncate; more or less normal

Anal fin(s)

Fins number 1
Spines total 2 - 2
Soft-rays total 7 - 8

Paired fins

Pectoral Attributes  more or less normal
Spines     
Soft-rays   
Pelvics Attributes  more or less normal
Position    thoracic  beneath origin of D1
Spines     
Soft-rays   
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
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