Lupinoblennius nicholsi, the highfin blenny, is a species of combtooth blenny found in the western Atlantic ocean, on the coasts of the Gulf of Mexico in north-eastern Mexico and Texas, it has also been recorded from Englewood, Florida. This species reaches a length of 6cm (02inches) TL. The specific name honours the American ichthyologist John Treadwell Nichols (1883-1958).[1]