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.

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 ...

Below is a massive list of fish words - that is, words related to fish . The top 4 are: tuna , shark , tetrapod and oxygen . You can get the definition(s) of a word in the list below by tapping the question-mark icon next to it.

Apr 8, 2025 · 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 and Fishes. Fish are aquatic vertebrate animals that have gills but lack limbs with digits, like fingers or toes. Recall that vertebrates are animals with internal backbones. Most fish are streamlined in their general body form.

Dec 27, 2022 · Fish, diverse and fascinating, inhabit various aquatic environments. This vast group includes familiar species like salmon and cod, as well as exotic ones like angelfish and clownfish. Our list encompasses a range of types, offering a glimpse into the remarkable diversity and beauty of these aquatic creatures. Learn About: Different types of shoes.

Common names of fish can refer to a single species; to an entire group of species, such as a genus or family; or to multiple unrelated species or groups. Ambiguous common names are accompanied by their possible meanings.

Jul 28, 2022 · Fish are found in bodies of water all around the world, and are a vital part of their ecosystems. Fish are heterotrophs* that perform a number of roles in the food chain.

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. Shared Characteristics with Other Vertebrates. Fish, like all vertebrates, possess a backbone or spinal column.

Mar 18, 2025 · Many marine fish, i.e., those that live in seawater, drink large quantities of water, while freshwater fish typically drink very little water.This difference is due to the process of osmoregulation—in this case, how a fish maintains its internal balance of water and salts.. Seawater has a higher concentration of salts than what most types of …