Morphology Data of Salmo trutta
Identification keys
Abnormalities
Main Ref. Stresemann, E., 1974
Appearance refers to Male; Female
Bones in OsteoBase

Sex attributes

Specialized organs no special organs
Different appearance males alike females
Different colors different colors during breeding season only
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

Fusiform body (Ref. 51442). Head little and pointed (Ref. 51442). Mouth large, extending mostly after the eye and has well developed teeth (Ref. 51442). Teeth on shaft of vomer numerous and strongly developed (Ref. 7251). Caudal fin with 18-19 rays (Ref. 2196). Caudal peduncle thick and rounded (Ref. 51442). Little scales (Ref. 51442). Body is grey-blue colored with numerous spots, also below the lateral line (Ref. 51442). Blackish colored on upper part of body, usually orange on sides, surrounded by pale halos. Adipose fin with red margin.

Ease of Identification

Meristic characteristics of Salmo trutta

Lateral Lines Interrupted: No
Scales on lateral line 105 - 130
Pored lateral line scales
Scales in lateral series
Scale rows above lateral line 24 - 30
Scale rows below lateral line
Scales around caudal peduncle
Barbels 0
Gill clefts (sharks/rays only) absent
Gill rakers
on lower limb
on upper limb
total 14 - 20
Vertebrae
preanal
total 57 - 59

Fins

Dorsal fin(s)

Attributes no striking attributes
Fins number 1
Finlets No. Dorsal   0 - 0
Ventral  0 - 0
Spines total 3 - 4
Soft-rays total 10 - 15
Adipose fin present

Caudal fin

Attributes more or less truncate; more or less normal

Anal fin(s)

Fins number 1
Spines total 3 - 4
Soft-rays total 9 - 14

Paired fins

Pectoral Attributes  more or less normal
Spines     1
Soft-rays   11 - 16
Pelvics Attributes  more or less normal
Position    abdominal  behind origin of D1
Spines     2
Soft-rays   7 - 10
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
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