Morphology Data of Psychrolutes sigalutes
Identification keys
Abnormalities
Main Ref. Hart, J.L., 1973
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
Cross section
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Type of scales
Diagnosis

Dorsal spines and rays covered with skin; caudal rounded; pelvic fins partly attached to body (Ref. 6885). Color variable, changing rapidly; translucent pink to gray or brown on dorsal surface, lighter on fins; pectoral fins pale or bright orange; some dark spots on fins and vague darker markings on body; sometimes spotted; eyes orange (Ref. 6885).

Ease of Identification

Meristic characteristics of Psychrolutes sigalutes

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 13
Vertebrae
preanal
total

Fins

Dorsal fin(s)

Attributes extending over most of the back length
Fins number 1
Finlets No. Dorsal   0 - 0
Ventral  0 - 0
Spines total 22 - 22
Soft-rays total 15 - 15
Adipose fin absent

Caudal fin

Attributes other (see remark); more or less normal

Anal fin(s)

Fins number 1
Spines total 0 - 0
Soft-rays total 14 - 15

Paired fins

Pectoral Attributes  very large , lobe-like
Spines     0
Soft-rays   17 - 18
Pelvics Attributes  other (see diagnosis)
Position    thoracic  before origin of D1
Spines     1
Soft-rays   3 - 3
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