suboperculum


Also found in: Medical.

suboperculum

(ˌsʌbəʊˈpɜːkjʊləm)
n, pl -la (-lə) or -lums
(Zoology) zoology a bone in fishes behind the operculum or gill covering
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During the study comparative age determinations were performed on a total of 243 fish samples by using the operculum suboperculum preoperculum interoperculum and vertebrae bony structures.
Then bony structures (operculum suboperculum preoperculum interoperculum and vertebrae) were
The highest agreement was between operculum and suboperculum with 99.
There was no age difference in 242 samples and there was one age difference in only 1 sample between the operculum age and the suboperculum age (Fig.
Suboperculum fully covered with cycloid scales; interoperculum fully covered by one row of cycloid scales; cheeks fully scaled; postorbital squamation with two rows of different-sized scales; size of occipital scales not significantly smaller than dorsal scales; predorsal squamation pattern irregular; cycloid and weakly ctenoid scales on dorsum rostrally, more strongly ctenoid scales increasing caudally; flanks with strongly ctenoid scales (Fig.