rainbow runners
...that three out of every seventy-seven rainbow runners have five spines in their first dorsal fin, as a result of not being born with the normal six?
...that three out of every seventy-seven <b id="mwBtY"><a href="./Rainbow_runner" id="mwBtc" rel="mw:WikiLink" title="Rainbow runner">rainbow runners</a></b> <i id="mwBtg">(pictured)</i> have five <a href="./Fish_anatomy#Spines_and_rays" id="mwBtk" rel="mw:WikiLink" title="Fish anatomy">spines</a> in their first dorsal fin, as a result of not being born with the normal six?