What is planktain?

This fish has eyes on his flattened head what is it called? How do goldfish protect itself properly? Are Tiger Sharks vertebrates? What makes up a marine food web that includes great white sharks? How fast can a rockfall go? How much does a typical black cap gramma basslet weigh? What plants do mosquito fish eat? What do the people at isle of white eat? Can bottom feeder fish clean sand? How many eggs are in there 4 dozen? What are two adaptations of the bull shark adapted to survive in its habitat? Why is the sharks at Maldives a vegetarian? What is the best selling fishing lure? Do bettas have gills? What happens when two electric eels touch? How fast can salmon? What colors are similar to turquoise and aqua? What type of fish is Izumi-Dai? When was the manta ray discovered? Is the wife of Zeus a mermaid?