Sea Urchin Facts: a Marine VACUUM Cleaner | Animal Fact Files

A sea urchin may be called the hedgehog of the ocean, but not all sea urchins are this spiked! Sea urchins are marine vacuum cleaners - they'll eat (suck up) just about anything they come across! Learn more sea urchin facts on this episode of Animal Fact Files!

Scientific Name: Class Echinoidea
Range: Marine waters worldwide
Habitat: Varies by species
Size: About 4 inches (10cm) in diameter
Diet: Kelp, algae, plankton, mussels, decaying bodies, and more
Threats: Sea stars, parrotfish, triggerfish, lobsters, foxes, and otters
Life span: Up to one hundred years

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Image and Video Credits
Ed Bierman - https://www.flickr.com/photos/edbierm...
gordon.milligan - https://www.flickr.com/photos/el-mill...
Derek Keats - https://www.flickr.com/photos/dkeats/...
Ratha Grimes - https://www.flickr.com/photos/ratha/1...
Rein Ketelaars - https://www.flickr.com/photos/reinket...
brewbooks - https://www.flickr.com/photos/brewboo...
User: (WT-shared) Pbsouthwood at wts wikivoyage - https://commons.wikimedia.org/wiki/Fi... https://commons.wikimedia.org/wiki/Fi...
Peter Southwood - https://commons.wikimedia.org/wiki/Fi...
Nhobgood - https://commons.wikimedia.org/wiki/Fi... https://commons.wikimedia.org/wiki/Fi... https://commons.wikimedia.org/wiki/Fi...
ACutting - https://commons.wikimedia.org/wiki/Fi...
Diver Vincent - https://commons.wikimedia.org/wiki/Fi...
Haplochromis - https://commons.wikimedia.org/wiki/Fi...
Frédéric Ducarme - https://commons.wikimedia.org/wiki/Fi...
hauntedLuminous - https://vimeo.com/168493908
Nudibranch Marine Discovery Productions (Peter van Rodijnen); Stichting Natuurbeelden - https://www.openbeelden.nl/media/811984
Julian Ensworth - https://vimeo.com/59011842
jordi boada - https://vimeo.com/86879512
Ab Kurk - https://vimeo.com/10769960
siso kim - https://vimeo.com/103641409
es claustre - https://vimeo.com/64898602
Vellutini B, Migotto A - https://commons.wikimedia.org/wiki/Fi...

Research Credits:
https://www.whoi.edu/science/B/people...
http://tolweb.org/treehouses/?treehou...
https://www.britannica.com/animal/sea...
https://www.healthline.com/health/sea...
https://animaldiversity.org/accounts/...
https://link.springer.com/article/10....
https://animaldiversity.org/accounts/...
https://animaldiversity.org/accounts/...
https://animaldiversity.org/accounts/...
https://web.stanford.edu/group/Urchin...
https://www.pbs.org/newshour/science/...
https://www.montereybayaquarium.org/a...
https://www.etymonline.com/word/urchin
https://www.sciencedirect.com/science...
https://seaotters.com/2012/10/sea-ott...
https://today.oregonstate.edu/archive...

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