Marine poison Defense; this is the purpose of toxic substances that many fish and invertebrates, usually non aggressive or small, use in the marine environment. In poisonous species, the spines, mouth or skin has venom, which can be very toxic and even deadly to his enemies. Some species use venom to kill, or at least paralyze their prey, although most of them are stalking specialists and only use the poison as a defensive weapon against other predators. Among the poisonous sea animals we find the scorpion fish, the stonefish (whose sting is fatal to humans), the lionfish, the conch Conus textile, the sea snake, many nudibranchs, worms, anemones, jellyfish and even corals. A variety of vertebrates and invertebrates whose are able to use chemical weapons against enemies and preys.
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