Canthigaster punctatissima
Canthigaster punctatissima, known as the spotted sharpnose puffer or the spotted sharpnosed puffer, is a species of pufferfish in the family Tetraodontidae. It is native to the Eastern Pacific, where it ranges from Guaymas, Mexico to Panama and the Galápagos Islands. It is replaced by its close relatives C. janthinoptera and C. jactator in the Western Pacific and the Hawaiian Islands, respectively. It is found in sheltered areas of rocky reefs at a depth range of 3 to 21 m (10 to 69 ft) and reaches 9 cm (3.5 inches) in total length. The species is reported to be monogamous. References 

Fish described in 1870
punctatissima
Fish of the Pacific Ocean