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A fish (pl.: fish or fishes) is an aquatic, anamniotic, gill-bearing vertebrate animal with swimming fins and a hard skull, but lacking limbs with digits. Fish can be grouped into the more basal jawless fish and the more common jawed fish , the latter including all living cartilaginous and bony fish , as well as the extinct ...
15 de may. de 2024 · Learn about fish, the diverse group of vertebrates that live in water and have gills, scales, and fins. Explore the evolution, diversity, ecology, and human uses of fish, from jawless lampreys to warm-blooded opahs.
Learn about the diversity, evolution, and ecology of fish, the vertebrates that live in water and have a backbone. Explore stunning photos and videos of different fish species, from sharks and rays to salmon and eels.
3 de ene. de 2023 · Learn about the diversity, characteristics, evolution, and exceptions of fish, the aquatic vertebrates with gills, fins, and scales. Find out how fish are classified, what they eat, and how they reproduce.
Learn about different types of fish, their habitats, and how they breathe. Explore fun facts and photos of blue marlin, bull shark, clown anemonefish, electric eel, and more.
Learn about the diversity, evolution, and adaptations of fish, the predominantly cold-blooded vertebrates that live in water. Find out about the external features, respiration, reproduction, and classification of fish, as well as some examples of shark species.
Fish (plural: fish or fishes) are a group of animals which live in water and respire (get oxygen) from their gills. As a group, they are much older than other vertebrates. The first fish developed about 500 million years ago.
