Antarctic sea urchin
... that the Antarctic sea urchin eats microscopic algae and small invertebrates, and feasts on seal faeces when available?
... that the <b id="mwBsM"><a href="./Sterechinus_neumayeri" id="mwBsQ" rel="mw:WikiLink" title="Sterechinus neumayeri">Antarctic sea urchin</a></b> eats <a class="mw-redirect" href="./Microphyte" id="mwBsU" rel="mw:WikiLink" title="Microphyte">microscopic algae</a> and small invertebrates, and feasts on <a href="./Pinniped" id="mwBsY" rel="mw:WikiLink" title="Pinniped">seal</a> <a href="./Feces" id="mwBsc" rel="mw:WikiLink" title="Feces">faeces</a> when available?