Shape of main tropical tuna species

<p>Vector outline of main tropical tuna species (<em>BET</em>,&nbsp;<em>SKJ</em>,<em>YFT, ALB</em>)</p> <ul> <li><strong>ALB</strong>:&nbsp;<strong>albacore</strong>&nbsp;(<em>Thunnus alalunga</em>);</li> <li><strong>BET</strong>:&nbsp;<strong>bigeye tuna</strong>&nbsp;(<em>Thunnus obesus</em>);</li> <li><strong>SKJ</strong>:&nbsp;<strong>skipjack</strong>&nbsp;(<em>Katsuwonus pelamis</em>)</li> <li><strong>YFT</strong>:&nbsp;<strong>yellowfin tuna</strong>&nbsp;(<em>Thunnus albacares</em>).</li> </ul>