Laubuka trevori predorsal scales; aw s well as 5+4+2 teeth on the fifth ceratobranchial bone. "L. trevori" has 14½–15½ branched rays in its anal fin, a relatively short pelvic fin which is about a fifth as long as tits standard length and it has two stripes running along its body: one a golden and the other a blue-green stripe which runs from behind the operculum to the peduncle of the caudal fin which is broken and less distinct towards the head than the golden stripe. Laubuka trevori Laubuka trevori is a species of small fish of the minnow and carp family, Cyprinidae,
Operculum (gastropod) shell when the soft parts of the animal are retracted. The shape of the operculum varies greatly from one family of gastropods to another. It is fairly often circular, or more or less oval in shape. In species where the operculum fits snugly, its outline corresponds exactly to the shape of the aperture of the shell and it serves to seal the entrance of the shell. Many families have opercula that are reduced in size, and which are not capable of closing the shell aperture. Opercula have sometimes been modified: in the Strombidae the operculum is claw-shaped and is used