Morphology Data of Eustomias austratlanticus
Identification keys
Abnormalities
Main Ref. Gibbs, R.H. Jr., T.A. Clarke and J.R. Gomon, 1983
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

Two terminal bulbs separated by a long interspace (usually 2.8-3 times length of distal bulb). Barbel 8.1% SL in large specimens, short 27% SL in small specimens. Terminal filament short, 3.9-9.4% SL with 2 short branches together about 2 distal-bulb lengths from the bulb. Distal bulb 1.4-2.1 times length of proximal bulb. Axis of stem pigmented, lightly in small specimen, moderately dark in large ones. External chevron-shaped or roundish striated area on stem pigmented. Middorsal paired spots between occiput and dorsal-fin origin 8 in small specimens (Ref. 11333).

Ease of Identification

Meristic characteristics of Eustomias austratlanticus

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
Vertebrae
preanal
total 70 - 70

Fins

Dorsal fin(s)

Attributes
Fins number
Finlets No. Dorsal   
Ventral  
Spines total
Soft-rays total 27 - 27
Adipose fin

Caudal fin

Attributes

Anal fin(s)

Fins number
Spines total
Soft-rays total 41 - 41

Paired fins

Pectoral Attributes  
Spines     
Soft-rays   3 - 3
Pelvics Attributes  
Position    
Spines     
Soft-rays   7 - 7
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