Synchiropus laddi, the Ladd's dragonet, is a species of fish in the family Callionymidae, the dragonets. It is found in the Pacific Ocean. This species reaches a length of . Etymology The fish is named in honor of geologist Harry Stephen Ladd (1899-1982), of the U.S. Geological Survey, who was at Bikini Atoll, Marshall Islands (type locality), during Operations Crossroads (1946 and again in 1947), studying the effects of the atomic bombs, References laddi Fish of the Pacific Ocean Taxa named by Leonard Peter Schultz Fish described in 1960