PERCIFORMES
No. 183: SPARIDAE (cont.)
No. 184: CENTRACANTHIDAE. D XI-XII,9-13; A III,7-12; upper jaw
highly protusile; no midlateral process on premaxilla; maxilla
naked and covered by preorbital when mouth is closed; preoperc1e smooth; opercle with I point posteriorly; V axillary scale well
developed .
No. 185: LETHRINIDAE. D X,9-11 ; A III,S-lO; preopercle smooth ;
maxilla naked, hidden by preorbital when mouth is closed; upper
jaw protrusile; no midlateral process on premaxilla; no teeth on
roof of mouth; opercle with I point posteriorly; V axillary scale
well developed.
.
498
No. 186: NEMIPTERIDAE. D X,9-lO; A III ,6-7; maxilla mostly covered
by preorbital when mouth is closed ; premaxilla with a low midlateral process; no teeth on roof of mouth; opercle with 1 point
posteriorly; V axillary scale present.
No. 187: CORACINIDAE. D X,1S-23; A III,13-14; scales small, ctenoid,
covering body and median fins ; head scaly except front of snout;
jaws with outer row of strong, curved incisors; no teeth on roof of
mouth; gill membranes joined to isthmus.
No. 188: PARASCORPIDIDAE. D XI-XII,IS-17; A III,13-1S; maxilla
exposed, scaly, without supramaxilla ; jaws with narrow band of
minute teeth; GR long and numerous, projecting into mouth;
preopercle finely serrate; opercle with a bluntly rounded point
posteriorly; no V axillary scale.
No. 189: KYPHOSIDAE. D X-XI,ll-IS; A III ,1l-I4; head , body and
median fins covered with small , weakly ctenoid scales; maxilla
scaly; jaws with an outer row of fixed incisors with long curved
roots; microscopic teeth on inner part of jaws and roof of mouth;
preopercle weakly serrate; gill membranes separate.