Starksia greenfieldi, the Greenfield's blenny, is a species of labrisomid blenny endemic to the waters around the island of Tobago where it is found at depths of from 5mto12mm (16feetto39feetm). It is named after David W. Greenfield, known for his work on blenniiform fishes. This species can reach a length of 1.9cm (00.7inches) SL.