Portuguese Man O' War

Masters of disguise, the weaver fish buries itself in the sand where it digs in, so that only the eyes, mouth and its venomous black dorsal fin project.

Sun bathers still needed to watch out for jellyfish as sightings of the venomous creatures are on the rise and it could be down to climate change. Advice on how to avoid a sting from Water Safety Ireland includes “swimming approximately one hour to two hours either side of low water to reduce the risk of stepping on them.” Water Safety Ireland say the sting is “most intense for the first two hours when the foot normally goes red and swells up" but warned the pain "may last for up to two weeks.”