Latin name

Oxymetopon typus

Other name

Oxymetopon typus

Identification

Oxymetopon: Greek, oxys = sharp + Greek, metopon = brow.

Sailfin gobies have a large, broad head, large, close-set eyes, and a suction cup on the underside that is formed by the fusion of the pelvic fins. They use this sucker to attach themselves to the bottom rocks and are held quite firmly even in a strong storm.

Features of fish fins

Dorsal spines (total): 6 - 7; Dorsal soft rays (total): 31; Anal spines: 1; Anal soft rays: 31.

Fish colouring

The body of the Sailfin Ribbon Goby is gray-blue in color.

Distribution

This species is widespread throughout the western central Pacific.

Habitat

Tropical marine, reef associated species. Habitat depth range 15-40 m.

Size

Males of this species reach a maximum length of 18.0 cm.

Behavior

Occupies deep muddy slopes with strong currents. Usually found in small groups, often varying in size.

Food and feeding habits

Sailfin gobies are predators that feed on invertebrates, zoobenthos, and zooplankton.

Reproduction

They attach their eggs to substrate such as vegetation, coral or rock surfaces. After fertilization, the male guards the eggs from predators and keeps the eggs free of detritus. The male fans the eggs to provide them with oxygen. The female maintains the burrow. The eggs hatch within a few days. The larvae are born transparent and acquire coloration as they disperse in search of a suitable habitat. 

Fishing

This species is not commercially important.

Relationship with a person

Harmless.