How does a rainbow fish stay safe?

What does a devil fish look like? Can algae fish live in a 2 gallon pond? Can fish live in a dam? In rock layers jellyfish fossils are found lower than trilobite fossils and trilobite fossils are found lower than ammonite fossils. What can be determined from this information? What does duckweed eat? How much teeth does a ballpin tiger shark have? How does eels comunicate? Why bulling is no good? Can butterfly koi and regular koi breed? Can fish have sugar rushes? Where do you put a dead fish? What animal live near the tiger sharks? What are all the colors they have in goldfish? How can man help preserve ponds? Do carp sleep? How are the gills adapted for gaseous exchange? Where does meals on wheels get its funding from? Do fish have babies out of there butt? How might aquaculture help in solving the world hunger problem? What can shark do?