Thorunna daniellae (Kay & Young,
aggregation on food sponge
|shows an aggregation
on its food sponge that is largely concealed by algal turf (or has been "nibbled" down to that level?); 2nd photo is
a composite showing the sponge under the aggregation on right and
another patch of the same sponge from elsewhere in the original on
left; also shows variation in
color of submarginal
Photos: John Hoover: Lehua Islet,
Niihau; July 11, 2011.
animal feeding on greenish-gray sponge
|shows an animal on a
greenish-gray sponge with probable feeding damage (most likely the same
species but without encrusting algal turf)
Photos: Todd Hackett: Kohala, Big Island; June 13, 2020.