THE FISHES OF PORTO RICO. 
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e. Maxillary 2.29 in head; preorbital 4.75 in head; maxillary reaching past middle of eye, about 2.33 in head; usually a 
black spot or shade at base of pectoral; head 2.75; depth 3; D.x,14; A.iii, 8; scales 7-50-12 eyanopterus, 123 
del. Vomerine teeth forming an anchor-shaped patch, with a distinct backward prolongation on median line; second 
anal spine little, if any, shorter than third; upper canines strong, lower moderate or small. 
/. Scales above lateral line arranged in series which are not throughout parallel with lateral line, being oblique and 
irregular, at least below second dorsal. 
g. Body comparatively elongate, depth 2.75 to 3 in length; mouth large, maxillary 2.5 in head; scales 7 in an oblique 
series between dorsal and lateral line; pectoral short, not two-thirds length of head; soft dorsal, anal, and 
caudal blackish, tinged with wine-color, always becoming dusky in spirits griseus, 124 
gg. Body comparatively deep, depth about 2.5 in length; snout long and pointed ; mouth rather small, maxillary about 
3 in head; pectoral long, more than two-thirds length of head; soft dorsal, anal, and caudal orange or yellow, 
becoming pale in spirits. 
h. Scales moderate, about 9 in an oblique series from first dorsal to lateral line, about 55 vertical series above lateral 
line between gill-opening and base of caudal; lateral line with more than 45 pores; a whitish area below eye; 
blue streak along suborbital region usually not disappearing with age; scales 8-56-15 jocu, 125 
hh. Scales unusually large, 5 or 6 in an oblique series from first dorsal to lateral line, about 45 vertical series above lateral 
line between gill-opening and base of caudal; lateral line with fewer than 40 pores; blue streak on suborbital 
region not permanent; scales 6-44-13 apodns, 126 
cc. Developed gillrakers more numerous, about 10, with several rudiments before them (in N. buccanetta; not examined 
in N. lutjanoides) . 
i. Caudal deeply forked; mouth small, maxillary reaching posterior nostril; preopercle slightly notched, little 
serrate; canines strong; tongue with teeth; soft dorsal and anal rounded; pectoral pointed, 4.5 in total length. 
Color brownish-green, with 6 brown crossbands; a broad greenish stripe from opercle to base of caudal. D. x, 
14; A. in, 8 lutjanoides 
ii. Caudal moderately forked; mouth large, maxillary reaching anterior edge of eye, 2.6 in head; preopercle serrate, 
serrae strong on angle; canines medium; vomerine teeth in an anchor-shaped patch; eye large; the base and 
axil of pectoral with a jetrblack blotch; scales moderate, about 8 oblique series from the lateral line to first 
dorsal spine, about 63 vertical rows above lateral line; second anal- spine long, about 2.66 in head. Color 
crimson; caudal peduncle and caudal fin largely yellow; iris orange-red; no lateral blotch, Head 2.5; depth 
2.8; D. x, 14; A. hi, 8; scales 8-63-15 buccanetta 
bb. Anal fin angulated, its median rays produced, longest in adult, at least half head; body rather robust; upper canines 
rather long; lower small. Color more or less red, young with a black lateral blotch. 
j. Scales above lateral line arranged in series, which are not throughout parallel with it; side with a black blotch, 
which usually disappears with age; anal fin bright red. 
Teeth on vomer in an anchor-shaped patch, with a median backward prolongation; lingual teeth well developed; 
maxillary reaching edge of pupil, 2.5 in head; caudal edged with black. 
I. Iris golden-yellow in life. Scales rather small, 9-72-10, about 50 pores in lateral line; body rather slender, depth 2.5 
in length; second anal spine about 3.5 in head; gillrakers 9 below angle; eye large, 4.75 in head in adult; 
preorbital 5.75 in head. Color bright rose-red, with golden streaks vivanus, 127 
II. Iris rose-red. Scales rather large, 8-60-14; body robust, depth 2.6 in length; second anal spine about 4 in head; 
gillrakers about 8 below angle. Color rose-red, nearly uniform; size large aya, 128 
kk. Teeth in vomer in a A-shaped patch, without distinct prolongation on median line; lingual teeth very few or none; 
maxillary reaching edge of eye, 2.7 in head analis, 129 
an. Soft dorsal with 12 rays (rarely 13); body oblong, the back not greatly elevated; upper canines moderate, lower 
small or obsolete; scales above lateral line in very oblique series; anal fin low, its outline rounded. 
m. Mouth moderate; maxillary 2.6 to 2.75 in head. 
n. Caudal not deeply forked; gillrakers rather few (8 or 9 besides rudiments). 
o. Pectoral short, 1.66 in head; teeth on vomer in an anchor-shaped patch. Color olivaceous, no black lateral blotch; 
lower jaw included. Head 2.75; depth 3; D. x, 12; A. in, 8; scales 8-51-x. (Hybrid, griseus + synagris?). 
brachyptcrus 
oo. Pectoral long, more than two-thirds length of head; color chiefly red; a large black lateral blotch; lower jaw 
slightly projecting. 
p. Vomer with teeth in a A or /K shaped patch, the prolongation on median line short. 
q. Eye large, 4.75 in head; back greatly elevated; pectoral long, 1.25 in head megalophthalmus, 130 
qq. Eye smaller, 5 in head; back less elevated; pectoral shorter, 1.5 in head synagris, VAX 
nn. Caudal deeply forked; gillrakers rather numerous, about 10 on lower part of anterior arch; teeth on vomer in an 
anchor-shaped patch; body rather elongate, compressed; lower jaw projecting or not; eye small; scales small; 
lateral line with about 50 pores; anal spines graduated. Color reddish, with horizontal yellow streaks; no black 
lateral blotch. Head 3; depth 3; D. x, 13; A. in, 9; scales 9-53-15 ambiguus 
mm. Mouth large; maxillary 2.4 in head; teeth on vomer in an anchor-shaped patch mahogoni, 132 
123. Neomgenis eyanopterus (Cuvier & Valenciennes) . Cubera. 
Head 2.75; depth 3; eye rather small, 5.66 in head; D. x, 14; A. hi, 8; scales (6) 7-50-12, 50 pores. 
Body elongate, rather robust, back little elevated; profile from snout to nape nearly straight; snout 
long, thick, rather acute in profile, 3 in head; interorbital space flattish or gently convex, 6.25 in head; 
occipital keel low; preorbital broad, 4.66 in head; mouth very large ; maxillary reaching middle of eye, 
2.33 in head. Canine teeth larger than in any other of the genus, especially those in lower jaw; upper 
