<p><strong>Fig. 3.22.</strong> (<strong>A</strong>) Two&nbsp;<em>Stenopus hispidus</em>&nbsp;banded cleaner shrimp (phylum Arthropoda) on a&nbsp;barrel sponge (<em>Xestospongia muta</em>)</p>

Fig. 3.22. (A) Two Stenopus hispidus banded cleaner shrimp (phylum Arthropoda) on a barrel sponge (Xestospongia muta)

Image courtesy of Nick Hobgood, Wikimedia Commons