Morphology Data of Patagonotothen tessellata
Identification keys
Abnormalities
Main Ref. Nakamura, I., T. Inada, M. Takeda and H. Hatanaka, 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 fusiform / normal
Cross section
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Type of scales
Diagnosis

Scale on lateral line 43 (upper), 8 (lower). Caudal fin subtruncate. Body brownish above and paler below, with irregular broad dark blotches on body. First dorsal fin with a black spot covering greater part of it. First dorsal and caudal fins variegated with series of small dark spots (Ref. 27363).

Ease of Identification

Meristic characteristics of Patagonotothen tessellata

Lateral Lines 2 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 12 - 12
on upper limb 6 - 6
total 18 - 18
Vertebrae
preanal
total

Fins

Dorsal fin(s)

Attributes
Fins number
Finlets No. Dorsal   0 - 0
Ventral  0 - 0
Spines total 5 - 5
Soft-rays total 32 - 32
Adipose fin absent

Caudal fin

Attributes more or less truncate; more or less normal

Anal fin(s)

Fins number 1
Spines total 0 - 0
Soft-rays total 30 - 30

Paired fins

Pectoral Attributes  
Spines     0
Soft-rays   22 - 22
Pelvics Attributes  
Position    
Spines     1
Soft-rays   5 - 5
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
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