Morphology Data of Osmerus eperlanus
Identification keys
Abnormalities
Main Ref. Keith, P. and J. Allardi (coords.), 2001
Appearance refers to
Bones in OsteoBase Skull, Spine

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 long and slim (Ref. 4545). Head rather pointed (Ref. 4545). Snout pointed (Ref. 4545). Upper jaw reaching to hind margin of eye, lower jaw projecting a little (Ref. 4545, Ref. 51442). Teeth in lower jaw larger than those of upper, strong teeth on tongue and canines on vomer (Ref. 4545). Dorsal fin origin behind base of pelvic fins (Ref. 4545). Incomplete lateral line is developed near the head (Ref. 51442). Dorsal side light olive green, flanks silver stripe, belly creamy white (Ref. 4545).

Ease of Identification

Meristic characteristics of Osmerus eperlanus

Lateral Lines Interrupted: No
Scales on lateral line
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 27 - 38
Vertebrae
preanal
total 55 - 62

Fins

Dorsal fin(s)

Attributes
Fins number 1
Finlets No. Dorsal   0 - 0
Ventral  0 - 0
Spines total 0 - 0
Soft-rays total 9 - 12
Adipose fin present

Caudal fin

Attributes pointed; more or less normal

Anal fin(s)

Fins number 1
Spines total 0 - 0
Soft-rays total 12 - 16

Paired fins

Pectoral Attributes  more or less normal
Spines     
Soft-rays   
Pelvics Attributes  more or less normal
Position    abdominal  beneath origin of D1
Spines     1
Soft-rays   8 - 8
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
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