Genus: Antilligobius, Gobies, Sabre Goby
C long, pointed, scalloped above

pelvics in disc
ANTILLIGOBIUS
GOBIES
Body elongate compressed; snout bluntly pointed; eyes large (10-12% SL), close together; mouth large, oblique; front of roof of mouth no teeth; gill membranes broadly joined to body under throat, with 5 rays; gill rakers short & stubby above, long and thin below; dorsal fin VII (very elongated in both sexes, reaching to or past the end of the base of the dorsal fin) + I, 11-12, length of 2nd dorsal base > distance from 2nd dorsal base to tail fin; anal I, 11-13; pectorals 18-21; pelvics I, 5, fused to form disc with a scalloped rear margin; tail fin long and pointed, asymmetrical, with upper rear border notched; scales large (21-28 lateral rows) and rough on body; nape (8-10 before dorsal fin), cheek, pectoral base and breast with smooth scales; no lateral line; the only obvious sexual dimorphism is in the shape of the genital papilla: thin & conical in male, thick & bulbous in female.
A Greater Caribbean genus with one known species.