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Twostripe Goby Video Stock Footage
The body of twostripe gobies is elongated and laterally compressed. They are commonly 18 cm (7.1 in) in length, with a maximum length of 25 cm (9.8 in). The body is predominantly white to pale gray in color, with the dorsal surface a darker brownish gray. It has two prominent orange, dark red, reddish-brown, or black lines running longitudinally on the sides of its body, darkest at the anterior end and growing lighter towards the back. The upper line begins from the front of the snout, goes through the eye, and ends at the tip of the upper fork of the caudal fin. The lower line is parallel to the upper line and begins from the side of the upper lip, through the middle of the base of pectoral fins, and ends at the tip of the lower fork of the caudal fin. Both upper and lower lines are outlined in white at the caudal fin. A large oval black spot is also present between the third and fifth spines of the dorsal fin. The pelvic fins are completely separated, no membrane is present between the first and the second dorsal fins. The first dorsal fin is shallow and its margin rounded, and the fourth spine is slightly longer than the other spines. The caudal fin in adults is deeply notched with two long filaments. Juveniles have more rounded caudal fins.
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