Morphology Data of Saccogaster tuberculata
Identification keys
Main Ref. Nielsen, J.G., W. Schwarzhans and D.M. Cohen, 2012
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 elongated
Cross section oval
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Type of scales

This species is distinguished from its congeners by the following set of characters: body scaleless; frontal plate with a pair of small, sub-dermal spines just behind eyes, median sub-dermal ethmoidal spine in front of eyes; skin is rather thick; a large posterior mandibular pore behind end of maxilla; snout with a cartilaginous ethmoidal spine; opercular spine is hidden, no preopercular spine; anterior gill arch with 3 developed rakers, almost equal in length to developed rakers; pectoral peduncle is prolonged; no fangs on dentigerous bones, 3 to several tooth rows on palatines; vertebrae, precaudal 14-15, total 55-58; fin rays, D 82-93, A 54-60 and pectoral 19-22; otolith length to height, 2-2.1, otolith length to colliculum length variable, 2.5-3.3 (Ref. 93007).

Ease of Identification

Meristic characteristics of Saccogaster tuberculata

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
Gill clefts (sharks/rays only)
Gill rakers
on lower limb
on upper limb
preanal 14 - 15
total 55 - 58


Dorsal fin(s)

Fins number
Finlets No. Dorsal   
Spines total
Soft-rays total 82 - 93
Adipose fin

Caudal fin


Anal fin(s)

Fins number
Spines total
Soft-rays total 54 - 60

Paired fins

Pectoral Attributes  
Soft-rays   19 - 22
Pelvics Attributes  
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
Entered by Capuli, Estelita Emily
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