Morphology Data of Gobius tetrophthalmus
Identification keys
Main Ref. Brito, A. and P.J. Miller, 2001
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 fusiform / normal
Cross section
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth terminal
Type of scales

Anterior nostril with single triangular or more elongate tentacle, posterior nostril pore-like, with slightly raised edges; angle of jaws below anterior edge of pupil; upper lip with equal to or slightly narrower than preorbital width; teeth caniniform, in three or four rows medially with outer and inner somewhat enlarged (Ref. 39517). Body pale brown with several dark brown blotches interspersed with pale saddles along dorsal midline, variously sized dark blotches along lateral midline; fine horizontal striae sometimes evident along the body; snout with antrorse V-like dark mark (Ref. 39517).

Ease of Identification

Meristic characteristics of Gobius tetrophthalmus

Lateral Lines Interrupted: No
Scales on lateral line
Pored lateral line scales
Scales in lateral series 49 - 54
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


Dorsal fin(s)

Fins number 2notched No
Finlets No. Dorsal   0 - 0
Ventral  0 - 0
Spines total 7 - 7
Soft-rays total 12 - 13
Adipose fin absent

Caudal fin

Attributes more or less truncate; more or less normal

Anal fin(s)

Fins number 1
Spines total 1 - 1
Soft-rays total 12 - 12

Paired fins

Pectoral Attributes  more or less normal
Spines     0
Soft-rays   20 - 22
Pelvics Attributes  joint, cup-like
Position    thoracic  before origin of D1
Spines     1
Soft-rays   5 - 5
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
Entered by Boden, Gert
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