Invertebrates - Echinoderms    Home
Clown Anemone-fish (Amphiprion percula). Clownfish (Amphiprion species) sheltering among the tentacles of its commensal anemone. Painted Prawn (Hymenocera picta) severing the arm of its Starfish (Aolaster lincki) prey. Indo-Pacific Ocher Starfish (Pisaster ochraceus) and Goose Barnacles (Pollicipes polymerus). Vancouver Island, Canada Colony of marine hydroid obelia and red algae. Heart Urchin (Echinocardium caudatum) test seen from above. Atlantic coasts Dahlia Anemone (Tealia felina) in a rock pool at low tide. Atlantic coasts Soft coral (Alcyonarian). Starfish (Aolaster lincki) regenerating lost arm. (The tip with sensory tube feet has already been replaced). Indo-Pacific Bloody Henry Starfish (Henricia sanguinolenta). West Indies Sea urchin. Sand dollar shell, back-lit. Pacific coast, N. America Detail of sand dollar shell. Pacific coast, N. America Detail of sand dollar shell. Pacific coast, N. America Ocher Starfish (Pisaster ochraceus). Pacific coast, N. America Sand dollar on sand. Vancouver Island, Canada