How many kinds of fishes are there?
What is the most important fish in America?
Why should people care about fishes?
What is the current classification of fishes?
Why do we need a system of classification?
How are species arranged in a classification?
What characterizes the major groups of bony fishes?
What is the oldest fossil fish?
What are the largest and smallest living fishes?
What is the shortest-lived fish?
What is the longest-lived fish?
What is the metabolism of a fish?
How do fishes breathe under water?
How long can a fish live out of water?
Why do some fishes live in salt water and others in fresh water?
Why are so many fishes silver?
What causes the different colors of fishes?
Is there a reason for the color patterns of fishes?
Do fishes change colors as they grow?
Do a fish’s colors change in different seasons?
Is there much geographic variation in the color of a fish species?
How do fishes avoid predators?
How many fish species live in rivers versus lakes?
How many fish species live in the ocean?
How far down in the ocean do fishes live?
Which geographic regions have the most species of fishes?
Are there fishes in the desert?
How do fishes survive the winter?
How can you tell if a fish is sick?
Are fishes good for the environment?
6 Reproduction and Development of Fishes
Why do some fishes lay so many eggs but other fishes lay only a few?
How long do female fishes hold eggs in their body?
Where do fishes lay their eggs?
Do fishes lay their eggs at the same time and in the same place every year?
Do fishes breed only one time per year or once in their lives?
Are all the eggs in the nest full siblings?
How is the sex of a fish determined?
Do fishes care for their young?
How can you tell the age of a fish?
How do fishes eat hard-shelled animals?
Do fishes use tools to obtain food?
What is the best way to take care of a pet fish?
What should I do if I find an injured fish or a fish that looks diseased?
How can I see fishes in the wild?
9 Fish Problems (from a human viewpoint)
Can there be too many fishes in a lake or river?
Do fishes kill ducks in ponds and other bodies of water?
Are fishes dangerous to people or pets?
Do fishes have diseases and are they contagious?
What should I do if I get injured by a fish?
10 Human Problems (from a fish’s viewpoint)
Will fishes be affected by global warming?
Are fishes affected by pollution?
Why do people hunt and eat fish?
Is there such a thing as fish leather?
Why do so many fishes die at once?
Are boats dangerous for fishes?
How are fishes affected by litter?
What can an ordinary citizen do to help fishes?
11 Fishes in Stories and Literature
What roles do fishes play in religion and mythology?
What roles do fishes play in Western religions?
Did early philosophers and naturalists mention fishes in their writings?
What roles do fishes play in various cultures?
What roles do fishes play in popular culture?
What roles have fishes played in poetry and other literature?
Which species of fishes are best known?
Which species of fishes are least well known?
How do scientists tell fishes apart?
How do you become an ichthyologist?
Appendix A: The Classification of Fishes
Appendix B: Some Organizations That Promote Ichthyology and the Conservation of Fishes