<p><span>Clown Killifish (also known as Epiplatys annulatus) is one of the most beautiful miniature freshwater fish species in the aquarium hobby. Therefore, if you are thinking about small fish for nano tanks, they should be an option for you to consider.</span></p> <p><span style="font-size: 0.875rem;" data-mce-fragment="1">Also known as the clown killi, rocket killifish, and rocket panchax. These common names come from the alternating vertical bands of dark brown and tannish-yellow on its body and the vibrant, flame-like tail that males possess. While adult killies can reach up to 1.4 inches (3.5 cm), most of the fish sold at stores are juveniles around 0.5 inch long and won’t display their true red, yellow, blue, and orange colors until you bring them home and raise them to maturity.</span><br></p> <p><span style="font-size: 0.875rem;" data-mce-fragment="1">Selling Size: 1 cm</span></p> <div class="co8aDb" aria-level="3" role="heading"> <b>How to Sex the Clown Killifish. The Differences of the </b><b>Male and Female.</b> </div> <div class="RqBzHd"> <ol class="X5LH0c"> <li class="TrT0Xe">Anal fins. Males have a tail that almost looks like fire coming out of the rear end. They can have red outlined in blue or blue outlined in red anal fins.</li> <li class="TrT0Xe">Ventral fins. Males can have either bright red or bright orange.</li> <li class="TrT0Xe">Size. The females are slightly smaller than the males.</li> </ol> </div>