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Planarian Flatworms Found in San Diego Water Feature

Several worms of different shapes and sizes were pulled out from a water feature in San Diego by this reader who is having trouble identifying them. The worms appear to be clear and tan in color, long in length, but flat in girth. It is difficult to tell from the image if they are textured, or smooth/slimy, but given their transparency, we would place more bets on these worms being slimy to the touch. Continue reading [...]

Gray Worm in Texas May be an Underdeveloped New Guinea Flatworm

A reader in Texas recently sent in this image of a worm she found on a dead twig in the dirt after rain. The worm appears to be black/gray in color, and extremely tiny. Continue reading [...]

What Are Slimy Brown Worms?

We aren't sure about the identity of the specimens our reader discovered. One looked a little bit like a flatworm, but the other one (or ones) did not. We need more information in order to figure out what these creatures are. Continue reading [...]

Little Black Worms Annoy Reader in Florida

A reader reached out to us about little black worm-like organisms that have suddenly appeared in her apartment. We think these creatures might be New Guinea flatworms or brahminy blind snakes, although they could be something else. Continue reading [...]

Is Brown Worm Found After Rain Parasitic or Harmless?

One of our readers discovered a small brown worm inside her home and worried it might be a parasite related to her dog's upset stomach. We believe she has found a flatworm, and that it is unrelated to her dog and not harmful! Continue reading [...]

How Common Are Hammerhead Worms?

A reader in Tennessee found a hammerhead worm in his yard. Although these broadhead planarians aren't dangerous, they are invasive species that are sometimes considered pests. Continue reading [...]
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