Morphology Data of Microstoma microstoma
Identification keys
Abnormalities
Main Ref. Cohen, D.M., 1986
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 elongated
Cross section
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Type of scales
Diagnosis

Body silvery, darker near tail (Ref. 3978). Swim bladder faintly colored. Adults mostly silver (Ref. 37473).

Ease of Identification

Meristic characteristics of Microstoma microstoma

Lateral Lines Interrupted: No
Scales on lateral line 50 - 53
Pored lateral line scales
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
Vertebrae
preanal
total 44 - 45

Fins

Dorsal fin(s)

Attributes
Fins number 1
Finlets No. Dorsal   0 - 0
Ventral  0 - 0
Spines total 0 - 0
Soft-rays total 10 - 12
Adipose fin

Caudal fin

Attributes forked; more or less normal

Anal fin(s)

Fins number 1
Spines total 0 - 0
Soft-rays total 7 - 9

Paired fins

Pectoral Attributes  more or less normal
Spines     0
Soft-rays   7 - 8
Pelvics Attributes  more or less normal
Position    abdominal
Spines     0
Soft-rays   9 - 11
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