Journal article Open Access
Viviani, Jeremie; Williams, Jeffrey T.; Planes, Serge
Two new species of pygmygobies of Trimma with barred color patterns are described from French Polynesia. Trimma erwani, n. sp., is described based on two specimens collected at Fatu Hiva, Marquesas Islands. It is distinguished by its unique color pattern within the genus consisting of diagonally slanting grey-and-yellow bars on the body, 5 or 6 predorsal scales, and 16–17 unbranched pectoral-fin rays. Trimma lutea, n. sp., is described based on specimens collected from the Austral Islands in French Polynesia, as well as from Rarotonga, Cook Islands. It is distinguished by its color pattern consisting of alternating grey-and-yellow to reddish-yellow vertical bars on the head and body and scale margins outlined with melanophores, 4–7 predorsal scales, and 17–18 unbranched pectoral-fin rays. A mtDNA COI analysis, including all available sequences on the mtDNA-barcode project BOLD, shows a well-supported genetic divergence between each of the new species and among previously described congeners with sequences available.