Anyway, Wagtail platies are also tiny and barely get to two inches, that makes them great for scaled-down freshwater aquariums. The bluefin killifish is really a type of fish indigenous for the coastal waters from the southeastern United states of america. This fish is also known as the Atlantic bluefin https://www.slideshare.net/slideshow/4-facts-about-maintaining-your-aquarium-by-a-fish-tank-cleaner/275182206