The term fish is applied to a variety of vertebrates of several evolutionary lines Scales provide protection from the environment and from predators Introduction fish are a kind of animal that lives in water
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Fish have lived on earth for more than 450 million years
There are more than 24,000 species, or kinds, of fish
New ones are discovered every year. Fish fish are animals that live in the fresh and salt waters of the world Approximately 34,000 species of fish exist in the fresh and salt waters on earth They belong to the phylum chordata
From there, living fish are typically divided into three groups, all of which are distinct from one another The most abundant group of fish is the osteichthyes, or bony fish. Fishes are typically divided into three groups Superclass agnatha (jawless fishes), class chondrichthyes (cartilaginous fishes), and superclass osteichthyes (bony fishes).
This encyclopedia britannica animals list features ten of the world’s deadliest and most dangerous fish.
The ectotherms include the fishes, amphibians, reptiles, and invertebrates.
