Why does the clown fish belong in the chordata?

What are fantails? When cyanobacterial multiply rapidly in a pond they use up all of what? What is a mother catfish called? How does a salmon get energy? What is the smallest fish int he world? Do fish see colors? How does alkalis pH affect fish? How much money does it cost to make a koi pond? What do newborn seahorses eat? What color is a female goldfish? What is the problem in the book i survived the shark attacks of 1916? What is extensive aquaculture? How do blobfish get their food? Why are seahorse hunted? When koi produce eggs? What is Poseiden's underwater home called? What causes cloudy hot water? When was Wheels on Meals created? Does a seahorse have a tail? Would angelfish eat my guppy fry?