This article was originally published on Critter Science.

The planarian, aka flatworm, can be found in freshwater, marine, and terrestrial environments. They need either a moist, humid, or watery environment in order to survive. Take that away and they die. Not only do they live all over the world, but they’re also found in laboratories, as they’re used […]

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This article was originally published on Critter Science.

The hammerhead worm is a force to be reckoned with. They’re hunters, they’re highly toxic, and they’re coming for an earthworm near you! There are 160 known species of hammerhead worms, to date. Each as fierce as the next. They can be found throughout the world, sans Antarctica, and are […]

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