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,
Avicularium shape as the autozooids. Interzooidal avicularia are wedged between autozooids but do not replace an autozooid. Adventitious avicularia are placed somewhere on the external (frontal) wall of an autozooid and are usually much smaller. The 'birds-head' avicularium (e.g. "Bugula") is elevated above the colony by a stalk (peduncle). A zooid where the operculum is modified into a very long, hair-like structure is called a vibraculum. The cylcostome family Eleidae, which convergently evolved an opercular structure during the Early Cretaceous to Paleocene, also possess avicularia-like zooids. Avicularium The avicularium (pl. avicularia) in cheilostome bryozoans is a modified, non-feeding zooid. The operculum,