Why is there a need to familiarize yourselves with the morphology of fishes?

Latin name for great white shark? Are starry eyed sharks the same as bull sharks? Do moray eels two set of teeth or two sets of jaws? Do great white sharks live in the arctic? Is fish concrete or abstract? What is the largest whale shark on record? Why do fish prefer the dark? How do you treat popeye in betta fish? Why must expansion be considered when sizing finned-tube radiation? How do you look like a mermaid? Can you walk on a treadmill in high heels? What are the 4 sharks that are known to attack people? Name of the fish that starts with Jew? Is angler fish a natural source of light? Why is my black goldfish's tail turning white? What is the classification for a Common Carp? What medication does a fish need with white spots? What is the scientific name of shark shark? Why are the catfish in the contaminated cooling pond so large? Is it normal for a fish to lay on the bottom of the tank and swim up to the top then back down?