Morphology Data of Macrourus holotrachys
Identification keys
Abnormalities
Main Ref. Cohen, D.M., T. Inada, T. Iwamoto and N. Scialabba, 1990
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

Light to medium brown or greyish brown; fins darker, especially distally; mouth and cavities dark (Ref. 1371).

Ease of Identification

Meristic characteristics of Macrourus holotrachys

Lateral Lines 1 Interrupted: No
Scales on lateral line
Pored lateral line scales
Scales in lateral series
Scale rows above lateral line 5 - 5
Scale rows below lateral line
Scales around caudal peduncle
Barbels
Gill clefts (sharks/rays only)
Gill rakers
on lower limb
on upper limb
total 6 - 10
Vertebrae
preanal
total

Fins

Dorsal fin(s)

Attributes
Fins number 2
Finlets No. Dorsal   0 - 0
Ventral  0 - 0
Spines total 2 - 2
Soft-rays total 124 - 125
Adipose fin absent

Caudal fin

Attributes pointed; more or less normal

Anal fin(s)

Fins number 1
Spines total 0 - 0
Soft-rays total 110

Paired fins

Pectoral Attributes  more or less normal
Spines     0
Soft-rays   17 - 20
Pelvics Attributes  more or less normal
Position    thoracic  beneath origin of D1
Spines     0
Soft-rays   8 - 9
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