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Californian blackworm — printable fact sheet
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Californian blackworm
Lumbriculus variegatus
The Californian blackworm is a slender, segmented freshwater worm known for its dark coloration and graceful, undulating movement. Found commonly in ponds, marshes, and slow-moving streams, it thrives in environments rich in decaying organic matter. Its body can regenerate lost …
Did you know?
- Despite their simple appearance, blackworms have been extensively used in scientific studies of regeneration and behavior.
- Californian blackworms are capable of regenerating most of their body segments if lost or damaged. They form tangled clusters called 'worm balls' when disturbed. Their hemoglobin-rich blood gives them a dark, reddish-black coloration.
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