It has six appendages which radiate into finger-like cerata, and a pointed tail. There are 230,000 different creature have been identified by the scientists under the sea. Next time you’re out swimming, surfing, diving and boarding in the ocean, you may want to consider the likelihood of encountering a dangerous sea creature. The ocean is full of beautiful creatures—but some of them can be hazardous to your health. Its tapering body is dorsally silver-grey in colour, and ventrally pale blue, with dark blue stripes on the head. 1. Every year human is discovering some new underwater animals. Dangerous and Deadly Sea Creatures. And if you happen to encounter that most ballyhooed one (you know: the shark), know that This Is What Experts Say You Should Do if You're Attacked by a Shark. The size varies from 12 to 20cm famous … They are mostly found in the Pacific and Indian Oceans and known as one of the most poisonous animals. The most poisonous sea animals in the world are as diverse as they are deadly. PUBLISHED December 2, 2009. The venom of the Blue-Ringed Octopus is extremely potent. The blue dragon is a sea slug of a tiny size (about 3cm). … It … There are about 350 species of sharks, only 30 species could potentially be dangerous to humans and only 12 are reported potentially aggressive and dangerous. There is more danger lurking around the ocean than you may be aware of. From the deadly venom of a blue-ringed octopus, to the ginormous bite of a great white … Dangerous Sea Life. The Most Dangerous Sea Creatures We Never Want to Encounter. Every animal … Jellyfish and other venomous invertebrate. One of the types called Glass Octopus listed as transparent animals on planet Earth. Sharks. Venomous Fish (stinging) Other animals with the ability to inject venom. For humans, some of the most dangerous animals include sharks and other venomous creatures from fish to jellyfish and certain species of octopi. Seventy percent of the earth is covered by water. Shutterstock. After millions of years of evolution, there are now dozens of species of poisonous fish, sea snakes, and other ocean life that could seriously ruin a scuba diving vacation. Titan Triggerfish "While the chances of a shark attacking you while diving are … This beautiful animal is often rightly referred to as a sea angel. This post is about most dangerous sea Creatures or most dangerous sea animals. Before you splash in the sea this summer, it'll behoove you to bone up on the deadly and dangerous sea creatures potentially lurking in the depths. Biting and other aggressive animals. by Jean-Philippe Soule. With so many dangerous animals lurking beneath the waves, a sort of biological arms race is in effect between predators and prey. Biting and other aggressive animals . Most of the earth is lying under the water. It feeds on hydrozoans, including the highly poisonous jellyfish-like creature called Portuguese Man-O’-War. Blue Ringed Octopus is one of the most dangerous and terrifying deep-sea creatures found in the sea.