In life photographs and SEM images of pontoniine shrimps A) <i>Coralliocaris superba</i>, ectosymbiont coral associate; B) <i>Pontonia mexicana</i>, endosymbiont bivalve associate; C) <i>Periclimenes perryae</i>, ectosymbiont echinoderm associate; D) <i>Periclimenaeus sp</i>., endosymbiont sponge associate, life colouration of eyes; E) <i>Cuapetes americanus</i>, free-living species, left eye including cornea and eyestalk; F) <i>Cuapetes americanus</i> nebenauge; G) <i>Cuapetes americanus</i>, lattice facet structure; H) <i>Pontonia mexicana</i>, cornea.

<p>Scale bars indicate 100 µm (E, H) or 20 µm (F, G). Photo credits: A–D - A.Anker; E–H - S. De Grave.