Fish have been an important natural resource for humans since prehistoric times, especially as food. Commercial and subsistence fishers harvest fish in wild fisheries or farm them in ponds …

Oct 28, 2025 · A fish is any of approximately 34,000 species of vertebrate animals found in the world’s fresh and salt waters. The term fish is applied to a variety of vertebrates of several …

Feb 15, 2025 · Are you eating a good fish or a bad fish? A guide to some of the best and worst fish for your health.

Below you will find a list of 50+ freshwater fish species that roam the waters of the United States. The main focus of this list is to help you learn more about the fish species that you can catch …

Jul 28, 2022 · The ultimate guide to fishes & fish life, including definition of a fish, fish bodies, types of fish and the life-cycle of a fish. Read on for a complete guide to ichthyology…

Jan 3, 2023 · Instead, there are 3 main classes, groups, or types of fish: bony fish (Osteichthyes), jawless fish (Agnatha), and cartilaginous fish (Chondrichthyes). Fish are the most diverse …

All fish share two traits: they live in water and they have a backbone—they are vertebrates. Apart from these similarities, however, many of the species in this group differ markedly from one...

May 21, 2024 · Fish are aquatic vertebrates that typically have gills, fins, and a streamlined body. They inhabit diverse environments, from freshwater rivers and lakes to salty oceans and deep …

The cyprinid fish (8mm) and the whale shark (12m) are some of the smallest and largest fish in the sea. At first, this might seem like an easy question to answer, but it is difficult to define …

Explore the different types of fish in our world and learn about their habitats, diet, and unique characteristics.