Ecology, Biological diversity, Life Sciences, Fish, Animal populations, Zoology, Morphology, Freshwater & Marine Ecology, Animal Systematics/Taxonomy/Biogeography, eastern Atlantic, New species, Republic of Cabo Verde, Head pore, Gobiinae, Macaronesia, Macaronésia, Macaronésia, Macaronésia, Macaronésia, Macaronésia, Macaronesian, Macaronésia, Macaronesian, M...