Shorefishes of the Greater Caribbean online information system

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Genus: Rhonciscus, Burro Grunt, Grunts

All Families:   All Genera:   All Species:

snout pointed
D spines low, spine IV longest
A spine II >>III
pectoral short



Body oblong, compressed, elongate (depth 26-37% SL); head 30-38% of SL; snout pointed (24-42% of head length); rear margin of bone under eye concealed by scales; lips thin; underside of chin with 2 large pores and a central groove; preoperculum finely serrated, without spines; dorsal fin XIII (XII-XIV), spines low (13-16% SL), 4th spine longest, deeply notched; tail forked; pectoral fin short, not reaching anus or soft dorsal; anal fin III, 6-8, 2nd spine much longer than 3rd; scales over entire body and head except front of snout, lips and chin; soft dorsal and anal fins usually without scales.

A neotropical genus with 4 species; 1 west Atlantic and 1 endemic species in the Greater Caribbean.