Search results
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 placoderms and ...
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 ...
Jun 24, 2024 · fish, any of approximately 34,000 species of vertebrate animals (phylum Chordata) found in the fresh and salt waters of the world. Living species range from the primitive jawless lampreys and hagfishes through the cartilaginous sharks, skates, and rays to the abundant and diverse bony fishes.
Fish are vertebrates (vertebrates have backbones) that live in water. They breathe using special organs called gills.
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 group among vertebrates, with over 33,000 different types of fish species.
fish, Any of more than 30,000 species of predominantly cold-blooded vertebrates found worldwide in fresh and salt water. Living species range from the primitive lampreys and hagfishes through the cartilaginous shark s, skates, and ray s to the abundant and diverse bony fishes.
Fish as pets, fish as food, and fish as sport make this collection of wildlife one of the most popular in the world. As members of the animal kingdom’s order Osteichthyes and belonging to the diverse family of aquatic creatures, fish are renowned for their grace, adaptability, and vibrant colors.
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 seas.
Jul 28, 2022 · Fish - the ultimate guide to fishes & fish life. What is a fish? What type of animal is a fish? Is a fish a vertebrate? How do fish breathe?
Home Science Birds, Reptiles & Other Vertebrates Fish. Fishes have been in existence for more than 450 million years, and they have evolved to fit into almost every conceivable type of aquatic habitat, including both fresh and salt waters.
