In addition to a typical diet of crabs, clams, fish, squid and octopus, bonnetheads eat huge amounts of seagrass, and apparently not just by accident while gobbling prey. In fact, they digest ...

For thousands of years, Florida has been rimmed with a wilderness of seagrass, resplendent with shrimp, manatees, millions of fish. No more ... live on coral reefs to eat if there are seagrasses ...

This effect, called ichthyoallyeinotoxism, may be due to the fish ingesting toxic seagrass phytoplankton. Such hallucinations have likened its effects to LSD. Image credits: iStock The world under ...