Morphology Data of Pseudoscopelus lavenbergi
Identification keys
Abnormalities
Main Ref. Melo, M.R.S., H.J. Walker Jr. and C. Klepadlo, 2007
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 terminal
Type of scales scales embedded or partly/completely absent
Diagnosis

Differs from other species of the genus by the following three unique characters: random trunk photophores in broad band of three or more rows; postventral-fin photophores short, not extending to anus, and reaching anteriorly to very close to pelvic-fin origin; absence of maxillary photophores and presence of anteropreopercular photophores (Ref. 75982).

Description: D VIII iii, 21-23; A iii-iv, 20-22 (Ref. 75982).

Ease of Identification

Meristic characteristics of Pseudoscopelus lavenbergi

Lateral Lines Interrupted: No
Scales on lateral line 77 - 81
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 17 - 18
total 37 - 39

Fins

Dorsal fin(s)

Attributes
Fins number 2
Finlets No. Dorsal   
Ventral  
Spines total 8 - 8
Soft-rays total 23 - 25
Adipose fin absent

Caudal fin

Attributes forked

Anal fin(s)

Fins number
Spines total
Soft-rays total

Paired fins

Pectoral Attributes  
Spines     
Soft-rays   12 - 15
Pelvics Attributes  
Position    thoracic  before origin of D1
Spines     1
Soft-rays   5 - 5
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