SHORT
DESCRIPTION
Body elongated, becoming compressed from midpoint. Two dorsal fins. First dorsal spine elongated (in males). Second dorsal fin and anal fin long and opposite. Caudal and pectoral fins rounded. Pelvic fins united forming a complete sucking disk, originating under pectoral fin base. Head broad with convex snout. Eyes dorsolateral in position extending above profile contour. Mouth oblique with distinct lips. Maxilla reach back beneath rear of eye. Caniniform teeth arranged in jaws in 3-5 rows, larger in outer row. Most scales ctenoid, none on breast.color :
body beige with series of dark blotches along midline and fine dots at dorsal fin base.
size :
common 2-4 cm (max. 5 cm).
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DISTINGUISHING CHARACTERISTICS
From other gobiids: the arrangements of sub-orbital papilla.
Balennidae, Tripterygiidae, Clinidae and Callionymidae: two separate pelvic fins.
BIOLOGY / ECOLOGY
A small cryptic species feeding on small invertebrates, chiefly herpacticod copepods and nematodes. Long spawning season last from March to September peaking in May. Reach sexual maturity after less than a year when length is close to 20 mm. Gonochronistic species with sexual dimorphism. In males, first dorsal spine elongated.
habitat :
benthic. Shallow sandy shore to depth of 5 m. |