What is fish and its classification?

Fishes are typically divided into three groups: superclass Agnatha (jawless fishes), class Chondrichthyes (cartilaginous fishes), and superclass Osteichthyes (bony fishes). The latter two groups are included within the infraphylum Gnathostomata, a category containing all jawed vertebrates.

What are fish classified as in the animal kingdom?

Taxonomic Classification Pyramid}. For example, fish belong to the kingdom Animalia, the phylum Chordata, and from there are grouped more specifically into several classes, orders, families, and thousands of genus and species.

What are the 5 classes of fish?

Classification of Fish:

  • Agnatha – jawless fish.
  • Chrondrichthyes – cartilaginous fish.
  • Osteichthyes – bony fish. Ray finned group. Lobe finned group.

What is fish in science?

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.

What are the main types of fish?

Scientists group fish into three main types. They are divided into these groups because of the structure of their mouths and the types of skeletons they have. There are jawless fishes, cartilaginous (cart uhl AJ uh nuhs) fishes, and bony fishes. All three types are “cold-blooded,” or ectotherms.

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What are the 5 main animal groups?

Animals can be divided into five distinct groups: mammals, fish, birds, reptiles, and amphibians.

Can a fish feel pain?

Fish do not feel pain the way humans do, according to a team of neurobiologists, behavioral ecologists and fishery scientists. The researchers conclude that fish do not have the neuro-physiological capacity for a conscious awareness of pain. Fish do not feel pain the way humans do.

What is the scientific name for fish?

The classification of the 28,000 living fish species varies from one to the next; however, all are part of the Animal Kingdom, the phylum Chordata and the subphylum Vertebrata. Within this subphylum, four different classes contain fish, including the Myxini, Cephalspidmomorphi, the Chondrichthyes and the Osteichthyes.

What defines a fish?

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. … The word fish is used to refer to an individual fish or to a group of fish of the same species.

What is the name of this fish?

GLOSSARY OF FISH LISTED BY COMMON NAMES

Albacore Amberjack Bigeye Tuna
Blue Marlin Blueline Tilefish Dolphin
Flounder Gag Grouper Hickory Shad
Hogfish Jumping Mullet Little Tunny
Mako Shark Menhaden Pinfish

What are 3 types of fish?

Fishes are typically divided into three groups: superclass Agnatha (jawless fishes), class Chondrichthyes (cartilaginous fishes), and superclass Osteichthyes (bony fishes).

Is a fish an organism?

Fish are aquatic, craniate, gill-bearing animals that lack limbs with digits. They form a sister group to the tunicates, together forming the olfactores. … The earliest organisms that can be classified as fish were soft-bodied chordates that first appeared during the Cambrian period.

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Is a fish a vertebrate?

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 another.

What is the best type of fish?

12 Best Types of Fish to Eat

  • Alaskan salmon.
  • Cod.
  • Herring.
  • Mahi-mahi.
  • Mackerel.
  • Perch.
  • Rainbow trout.
  • Sardines.

What is the most common type of fish?

Since it’s impossible to pin down all, we have made a list of 12 most common fish species on Earth.

  1. Salmon. A cherry hybrid salmon | Image Courtesy: Wikimedia Commons.
  2. Trout. A brown trout | Image Courtesy: U.S Fish and Wildlife Service. …
  3. Nile Tilapia. …
  4. Basa. …
  5. Common Carp. …
  6. Neon Tetra. …
  7. Atlantic Mackerel. …
  8. Atlantic Cod. …

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How many type of fish do we have?

There are over 32,000 known species of fish in the world. Out of them, almost 27,000 species include bony fish. 970 species out of the remaining include rays, sharks, and chimeras, and 108 are the lampreys and hagfish.

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