Christmas Tree Worm, By Jennifer Kennedy, About.com Guide, Image, description, and information on its habitat, feeding, and more.

Elkhorn coral, By Steve Grodsky and Jin Jeon, Animal Diversity Web, University of Michigan Museum of Zoology, Visit the website for photos (click for enlargement) and to learn about its habita

Family Scaridae - Parrotfishes, By Keoki & Yuko Stender, MarineLifePhotography.com Amazing photos of parrotfish in Hawaii, Indo-Pacific, Japan and Tropical Western Atlantic,

Jellyfish & Other Zooplankton, Woods Hole Oceanographic Institution, Combination of photo and text.

Lemon sailfin, By Kara Zabetakis, Animal Diversity Web, University of Michigan Museum of Zoology, Visit the website for photos (click for enlargement) and to learn about its habitat, lifespan,

Meet the sand-pooping, reef-saving, hermaphroditic parrotfish, By Jason Bittel, April 4, 2014, The Week Magazine, "Hawaii's reefs are under algae attack. One wacky fish with a mouth of steel m

Parrotfish, Monterey Bay Aquarium, Photo and description of the algae eating fish found on coral reefs.

Parrotfishes, Animal Diversity Web, University of Michigan Museum of Zoology, Visit the website for photos (click for enlargement) and to learn about its habitat, lifespan, behavior, food habit

Sponges & Sea Squirts, Sea and Sky, A description and photos of several species.

Surgeon Fish, Junglephotos.com, a large image and brief description.

What is a parrotfish?, WikiAnswer.com, Visit the website for the answer.

What Sea Turtles Eat, SeaTurles.org, Photos and descriptions of different turtle specie; some, especially hatchlings, are omnivores.