1116-51216 - Surrounded by patches of Rice Coral (Montipora capitata), a Red Slate Pencil Urchin (Heterocentrotus mamillatus) and a Needle-spined (Urchin Echinostrephus aciculatus) rest on Molokini Backwall which is located offshore of Maui, Hawaii, USA; Molokini Crater, Maui, Hawaii, United States of America
1116-51212 - A Red Slate Pencil Urchin (Heterocentrotus mamillatus) rests on Molokini Backwall which is located offshore of Maui; Hawaii, United States of America
832-389413 - Graphic structure on underside of Red Pillow Starfish (Halithyle regularis), detail, Pacific, Great Barrier Reef, UNESCO World Heritage, Australia, Oceania
832-389420 - Detail of toxic Crown-of-thorns starfish (Acanthaster planci), spines, crown of thorns, Pacific, Great Barrier Reef, UNESCO World Heritage, Australia, Oceania
1116-39714 - These two parasitic mollusks, Thyca crystallina, are growing on the host starfish, Linckia laevigata. This parasitic shell only attaches to this species of starfish, into which it burrows and sucks up nutrients, Philippines
1116-39728 - Detail of the center branching arms of a Crinoid or Feather Star (Lamprometra klunzingeri) open and feeding on plankton at night, Philippines
1116-39729 - Both a Crinoid Commensal Shrimp (Periclimenes cornutus) and a Crinoid Squat Lobster (Allogalathea elegans) on a crinoid. These tiny crustaceans are commensal on crinoids or feather stars and take their color from the host, Philippines
832-372296 - Harlequin shrimp (Hymenocera picta) on a red starfish, Great Barrier Reef, a UNESCO World Heritage Site, Queensland, Cairns, Australia, Pacific Ocean
832-372292 - Unidentified starfish (Euretaster sp.), red, Ponta de Sao Vicente, Isabella Island, Albemarle, Galapagos Islands, a UNESCO World Natural Heritage Site, Ecuador, Pacific Ocean
832-372240 - Chocolate Chip Starfish (Protoreaster nodosus) gathered on a sandy ground, Sabang Beach, Puerto Galera, Mindoro, Philippines, South China Sea
832-233269 - Gathering of Knobby Star Starfish (Pentaceraster cumingi) on sandy ground in front of a reef, Cousin Rock, UNESCO World Heritage Site, Galapagos archipelago, Ecuador, Pacific Ocean
832-233270 - Gathering of Knobby Star Starfish (Pentaceraster cumingi) on sandy ground in front of a reef, Cousin Rock, UNESCO World Heritage Site, Galapagos archipelago, Ecuador, Pacific Ocean
817-439560 - Intertidal invertebrates exposed at low tide on Island Bay- Mottled star (Evasterias troschelii), Haida Gwaii (Queen Charlotte Islands) Gwaii Haanas NP, British Columbia, Canada.
817-439556 - Intertidal invertebrates at low tide on Island Bay- Bat stars (Asterina miniata), Haida Gwaii (Queen Charlotte Islands) Gwaii Haanas NP, British Columbia, Canada.
817-439559 - Mottled sea star (Evasterias troschelii) and bat star (Asterina miniata) at low tide, Haida Gwaii (Queen Charlotte Islands) Gwaii Haanas NP, British Columbia, Canada.
1067-7 - Crown-of-Thorns seastar (Acanthaster planci) Adult animal working its way across sand towards a coral reef. Yap, Federated States of Micronesia, Pacific Ocean. More info: This species feeds on coral as an adult and, in the right circumstances, be devestating to large reef areas.
979-2685 - Underwater scenes from the lower Gulf of California (Sea of Cortez), Baja California Sur, Mexico. Shown here is a sea star wrapped around a rock.
979-2683 - Underwater scenes from the lower Gulf of California (Sea of Cortez), Baja California Sur, Mexico. Shown here is a sea star wrapped around a rock.
979-2686 - Underwater scenes from the lower Gulf of California (Sea of Cortez), Baja California Sur, Mexico. Shown here is an eastern Pacific Crown-of-thorns seastar (Acanthaster ellisii) feeding on coral.