No.241: ELEOTRIDAE. D VI-X+I,6-15; A 1,6-12; V 1,5 widely separated, not connected by membranes; branchiostegal rays 6;
scales cycloid or ctenoid; D & A spines weak, flexible .
No. 242: KRAEMERIIDAE. D IV-V,13-17; A 1,11-14; V separate or
connected , but not forming disc; C segmented rays II; no scales.
~" ""-""" ;;" ' ' ' ' - ' ' ' ' ' - - ' ' 55D
No. 243: ACANTHURIDAE. D IV-IX,19-33; A III,18-31; V 1,3-5; body
compressed; each side of C peduncle with a sharp spine folding
into a groove or I or 2 bony plates (which bear sharp keels in
adults) ; scales minute, ctenoid.
No. 244: ZANCLIDAE. D VI-VII,39-42; A III,31-37; body strongly
compressed; scales minute, rough
No. 245: SIGANIDAE. D XIII,to; A VII,9; V 1,3,1, with an inner and
outer spine separated by 3 soft-rays.
No. 246: SCOMBROLABRACIDAE. D XIIfI5-16; A II-III,16-18; V 1,5,
well developed; body compressed; LL single.
PERCIFORMES
No. 247: GEMPYLIDAE. D VIII-XXXIXlO-II,to-42; total D spines +
rays 30-72; A O-I1I,8-34; V 1,0-5 or absent; C well developed; 2
nostrils on each side of snout; LL single or double.
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No. 248: TRICHIURIDAE. Total D spines +rays 97-153; total A spines
+rays 45-110; V reduced to a scale-like spine or completely
absent; A low, or reduced to embedded short spinules; C small or
absent; single nostril on each side of snout; LL single; scales
absent.
~ --... ~---.. ---~ ~No. 249: SCOMBRIDAE. D IX-XXVII +9-21+5-to finlets; A 0-1+ 11-22
+5-to finlets; C lunate, the rays completely covering hypural
plate; 2 or 3 keels on each side of C peduncle.
No. 250: LUVARIDAE. D 11-23; A 14-18; fewerD&A rays with growth;
V rudimentary or absent; body compressed, covered with
minute granular scales; nostrils single; anus below P base,
covered by scale-like V remnants in adults.
505