Definition of Preopercle. Meaning of Preopercle. Synonyms of Preopercle

- The operculum is a series of bones found in bony fish and chimaeras that serves as a facial support structure and a protective covering for the gills;...
- smaller versions of angelfish (Pomacanthidae), but unlike these, lack preopercle spines at the gill covers. Some members of the genus Heniochus resemble...
- a fish (on the inner surface of the opercle, near the junction of the preopercle) as well as a reduced "false" gill in some gastropods. In teleost fish...
- jawless fish), and the ch****, which extends from eye to preopercle. The operculum and preopercle may or may not have spines. In sharks and some primitive...
- angelfish are distinguished from butterflyfish by the presence of strong preopercle spines (part of the gill covers) in the former. This feature also explains...
- area, the mouth extending as far as below the middle of the eye. The preopercle has fine serrations on its margin and is evenly rounded, while the gill...
- Seldom seen during the day. Feeds at night. Benthivorous 25 cm. The preopercle is toxic. Broadbarred firefish (Laffe volant) There are white and orange...
- the standard length being 2.9 to 3.9 times the depth of the body. The preopercle is mostly rounded, with three large, downward pointing spines along the...
- preopercle, preoperculum The bone between the ch**** and the gill cover. preopercular spine A spine projecting from the preopercule (see preopercle)....
- fish), and the ch****, which extends from the eye to the preopercle. The operculum and preopercle may or may not have spines. In sharks and some primitive...