Labrisomus cricota, the Mock blenny, is a species of labrisomid blenny native to the western Atlantic Ocean and the Caribbean Sea where it occurs on rocky bottoms with plentiful algal growth at depths down to 4m (13feet). It is believed that the territorial males keep harems of females. Males of this species can reach a length of 9.3cm (03.7inches) SL while females can attain a length of 10.3cm (04.1inches). This is a species sought after by local subsistence fisheries.