/span>) +
  <span class='fu'>add_fishape</span>(<span class='kw'>family</span> <span class='kw'>=</span> <span class='st'>"Acanthuridae"</span>,
              <span class='kw'>option</span> <span class='kw'>=</span> <span class='st'>"Naso_unicornis"</span>,
              <span class='kw'>xmin</span> <span class='kw'>=</span> <span class='fl'>0</span>, <span class='kw'>xmax</span> <span class='kw'>=</span> <span class='fl'>0.3</span>, <span class='kw'>ymin</span> <span class='kw'>=</span> <span class='fl'>0.