You can quickly ruin a relaxing beach day by stepping on a marine animal washed up on shore. Watch out for these creatures if ...

A “highly venomous” sea snake that’s “potentially lethal to humans” was found on a popular surf beach in Hawaii in a rare ...

Has a 4-foot bell body and 30-foot tentacles, creating a surreal and rare deep-sea sight. Jellyfish with stinging tentacles and bioluminescent abilities, glowing in the dark underwater. Colorful sea ...

A live three-foot yellow-bellied venomous sea snake washed ashore Honoli’i Beach in Hawaii last week. Officials have since ...

“If you are bitten, seek medical assistance immediately.” The blue-ringed octopus is one of the most venomous sea creatures in the world and can typically be found across the east coast of Australia ...

A “highly venomous” 3-foot creature was found on a beach in Hawaii, officials said. Photo by Tyler Casey on Unsplash A “highly venomous” sea snake that’s “potentially lethal to humans ...