Crabs and other marine invertebrates die when the water is too cold, because they cannot flush magnesium out of their systems.

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This relates to environmental emergencies in Antarctica and includes proposals to enhance protection for marine plants and invertebrates.

BBC: Northern Ireland assembly to put Antarctic powers on ice

Food and Agriculture Organization based in Rome, over 50 billion vertebrates are consumed by humans every year, a number that does not account for fish or marine and fresh-water invertebrates, or for biomedical victims of experimentation, from dogs to hamsters to rats and mice.

FORBES: "A Memorial Day for the Environment"

Janina Alleyne's "Exoskeleton" pumps and platforms take their inspiration from marine invertebrates.

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Cheung developed a global model that includes more than 600 species of fishes and invertebrates, to investigate the combined impacts of multiple human stressors on marine fisheries potential catch.

MSN: Oceans' Sad Future: A Sea of Small Fish

This type of impact by top-of-the-food-chain predators on lower trophic levels is well known in marine systems, said Peterson, and has been shown to occur in terrestrial systems in the study of invertebrates.

CNN: Wolf response to climate change studied