close-up of sea urchin in coral reef crevice

angle animal animals aquarium aquatic asia background banded beautiful beauty behavior blue calamaris center close color colorful colors contrasts coral deep detail dive diving double dynamic echinothrix fauna fish focus foreground frame high indonesia landscape life macro marine mikado natural naturally nature ocean outdoors pacific pattern philippines poison reef saltwater scuba sea snorkeling southeast spine spined tentacle texture themes tropical undersea underwater urchin urchins vertical vibrant view viewpoint water wild wildlife