dwarf pufferfish
... that at a maximum standard length of roughly 2 cm (0.8 in), dwarf pufferfish are some of the smallest pufferfish in the world?
... that at a maximum <a href="./Fish_measurement" id="mwAg8" rel="mw:WikiLink" title="Fish measurement">standard length</a> of roughly <span about="#mwt49" data-mw='{"parts":[{"template":{"target":{"wt":"Cvt","href":"./Template:Cvt"},"params":{"1":{"wt":"2"},"2":{"wt":"cm"},"3":{"wt":"1"}},"i":0}}]}' id="mwAhA" typeof="mw:Transclusion">2</span><span about="#mwt49" typeof="mw:Entity"> </span><span about="#mwt49">cm (0.8</span><span about="#mwt49" typeof="mw:Entity"> </span><span about="#mwt49">in)</span>, <b id="mwAhE"><a href="./Dwarf_pufferfish" id="mwAhI" rel="mw:WikiLink" title="Dwarf pufferfish">dwarf pufferfish</a></b> are some of the smallest pufferfish in the world?