Eleotris. 107 
Upper jaw shorter. Teeth in jaws villiform, in band; no teeth on vomer or palatines. 
Tongue slightly emarginate. No barbels about mouth; spine near angle of preopercle 
distinct, but entirely concealed in the skin. Gill-openings lateral ; isthmus broad, its 
width slightly greater than one-third length of head. First dorsal low, inserted slightly 
before second half of the longitudinal extent of pectoral ; third spine highest, the last 
adnate to body by a membrane, the spines not reaching to second dorsal when folded 
backward, the dorsal margin of the fin scalloped ; second dorsal not much higher, fifth 
and sixth rays highest, the last not adnate to body by membrane, its posterior rays not 
reaching to base of caudal ; anal inserted below second ray of second dorsal, similar in 
form to second dorsal, seventh and eighth rays highest, its posterior rays not reaching 
to base of caudal ; last ray not adnate like second dorsal. Pectoral broadly rounded 
posteriorly, scarcely reaching to vent ; ventrals separate, inserted below base of pectoral, 
the posterior tip almost reaching midway between the origin and that of anal; anal papilla 
well developed ; caudal broadly rounded posteriorly. Scales large, ctenoid. Head 
with smaller cycloid scales; throat and belly with still smaller scales. Opercle, 
preopercle, branchiostegal region, preorbital, snout, maxillary, jaws and chin naked. 
No lateral line ; several series of pores radiating from eye downward. 
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