As some of the smallest vertebrates, yet largest producers of consumed reef biomass, cryptobenthic reef fishes serve a disproportionate role in reef ecosystems and are one of the most poorly understood groups of fish. The blenny genera Hypleurochilus

Hypleurochilus bananensis is one of the rarest species of Blenniidae in the Mediterranean Sea. Only few records have been made in the whole Basin. Due to its rarity, H. bananensis is poorly studied and little is known about its biology. In this study,

A new species of the genus Hypleurochilus, endemic to Trindade Island and Martin Vaz Archipelago, off Brazil, is described. Hypleurochilus brasil sp. n. differs from its congeners in color pattern and anal-ray counts. A recent study shows a close relationship