Morphology Data of Spintherobolus ankoseion
Identification keys
Main Ref. Weitzman, S.H. and L.R. Malabarba, 1999
Appearance refers to
Bones in OsteoBase

Sex attributes

Specialized organs
Different appearance
Different colors

Descriptive characteristics of juvenile and adult

Striking features
Body shape lateral
Cross section
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth

Low vertebral count (32-33) versus 32-34 for S. broccae and S. leptoura; larger preanal distance in males (61.3-63.9% SL versus 55.9-61.5 for S. broccae and 57.3-61.9 for S. leptoura.

Ease of Identification

Meristic characteristics of Spintherobolus ankoseion

Lateral Lines Interrupted: No
Scales on lateral line
Pored lateral line scales 4 - 5
Scales in lateral series 31 - 33
Scale rows above lateral line
Scale rows below lateral line
Scales around caudal peduncle 14 - 14
Gill clefts (sharks/rays only)
Gill rakers
on lower limb
on upper limb
total 32 - 33


Dorsal fin(s)

Fins number 1
Finlets No. Dorsal   0 - 0
Ventral  0 - 0
Spines total
Soft-rays total 10 - 11
Adipose fin absent

Caudal fin

Attributes forked; more or less normal

Anal fin(s)

Fins number
Spines total
Soft-rays total 14 - 17

Paired fins

Pectoral Attributes  more or less normal
Soft-rays   8 - 12
Pelvics Attributes  more or less normal
Position    abdominal  before origin of D1
Soft-rays   6 - 6
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
Entered by Torres, Armi G.
Comments & Corrections
Sign our Guest Book
Back to Search
cfm script by eagbayani, 17.10.00, php script by rolavides, 13/03/08 ,  last modified by sortiz, 06.27.17