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) the shell of "Charonia tritonis" is a seal made by the Minoan civilization. Opercula of certain gastropods, especially varieties from the Red Sea, have long served as an incense material in ancient Jewish tradition, as well as Arabian cultures. The operculum of conch species "Strombus tricornis" and "Lambis truncata sebae" are most commonly used in regions near the Middle East. Opercula from these conches may be the onycha incense material which is described in the Book of Exodus. Operculum powder is also an important ingredient in Chinese and Japanese incense making. Here it is called ""bèi xiāng"" (Chinese: 貝香; "lit."