Canthidermis. 21 
2eusnoun teinnead) D: Ill-25; A. 24; P. ras C. 12. Number of scales inva 
longitudinal series counted to base of caudal 47; in a transverse series counted 
backward and downward 20. 
Body oblong, compressed. Head moderate in size ; eye lateral, high ; interorbital 
convex; snout curved in profile ; a groove in front of eye; nostrils two on each side. 
Mouth small, terminal; lips rather broad, thick. Teeth uniserial, four teeth on each 
side of both jaws; second tooth counted from the anteriormost one in upper jaw 
largest, but in the lower the anteriormost one is the largest. Length of gill-opening 
longer than diameter of eye, inner fold partly exposed. First dorsal commencing 
above gill-opening, first spine very strong, greatly serrated on its anterior surface ; 
second dorsal nearer gill-opening than base of caudal; anal inserted beneath seventh ray 
of second dorsal ; both jaws high anteriorly and falcate in shape. Pectoral small, with 
broadly rounded margin; ventral spine scarcely movable, serrated ; caudal with the 
angles produced in a falcate form, posterior margin rounded. Scales granulated ; 
prickles at base scarcely visible; no large scutes behind gill-opening. Head scaled 
except lips. 
Color in formalin.—Scales bluish black ; interspace blackish brown., Lower parts 
RIO TWD AOC PO EES, EC Cd HL ON THRO & 
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ME ah RR ROZ IAS SB HIN SI LHS THREES SEMEL NSDEOECT, 
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