Morphology Data of Leptodoras nelsoni
Identification keys
Abnormalities
Main Ref. Sabaj, M.H., 2005
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 sub-terminal/inferior
Type of scales
Diagnosis

Upper labial extension L-shaped, distal half moderately to strongly curved and distinctly expanded with wide lateral flap bearing small fimbriae. Sum of midlateral plates modally 78, plates deep, covering more than 1/2 of body depth. Adipose eye weakly developed and preadipose ridge lacking (Ref. 56896).

Ease of Identification

Meristic characteristics of Leptodoras nelsoni

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

Fins

Dorsal fin(s)

Attributes
Fins number
Finlets No. Dorsal   
Ventral  
Spines total 1 - 1
Soft-rays total 6 - 6
Adipose fin

Caudal fin

Attributes forked

Anal fin(s)

Fins number
Spines total
Soft-rays total 14 - 17

Paired fins

Pectoral Attributes  
Spines     1
Soft-rays   9 - 11
Pelvics Attributes  
Position    abdominal  behind origin of D1
Spines     
Soft-rays   7 - 7
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
Comments & Corrections
Back to Search
cfm script by eagbayani, 17.10.00, php script by rolavides, 13/03/08 ,  last modified by sortiz, 06.27.17