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May 15, 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.
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 ...
Fin fish like salmon have gills, are covered in scales, and reproduce by laying eggs. Eels, by contrast, have worm-like bodies and exceedingly slimy skin. Lungfish gulp air. Whale sharks, the ...
Jan 3, 2023 · Fish are the most diverse group among vertebrates, with over 33,000 different types of fish species. No one really knows how many different types of fish exist in the world, more are being discovered constantly. We may soon have over 35,000, or even 40,000 known species!
- What are the 3 types of fish?Bony fish, jawless fish and cartilaginous fish.
- What's the most famous fish?The most famous fish is the coelacanth, which has four lobed fins resembling limbs. It is one of the world’s most ancient fish species. Its name me...
- Can fish feel pain?Yes, fish can feel pain, but it is different from the expression of pain from humans. It is difficult to test fish for pain except by looking for u...
- What do fish eat?Fish can be predatory, foraging or filter-feeding. Their diets can be carnivorous or omnivorous depending on the species and can include prey from...
- How do fish breathe?Fish usually breathe through gills, which filters oxygen through water. However, some fish breathe using different means. Lungfish have lungs and m...
- What are the smallest and largest fish?The smallest fish is the cyprinid fish (8mm) and the largest fish is the whale shark (12m).
- What is the difference between "fish" and "fishes"?“Fish” refers to the singular and one species or to the plural within context. “Fishes” refers to the plural, especially when talking about more th...
- What are the main differences between the flying fox fish and the Siamese algae eater?The main differences between the flying fox fish and the Siamese algae eater are color, length and shape, mouth shape, and algae preferences.
Fish are vertebrates (vertebrates have backbones) that live in water. They breathe using special organs called gills.
Jul 28, 2022 · July 28, 2022 by Active Wild Admin. The ultimate guide to fishes & fish life, including definition of a fish, fish bodies, types of fish and the life-cycle of a fish. Read on for a complete guide to ichthyology… Index. What Is A Fish? Fish Ecology. What Are The Main Types Of Fish? How Many Fish Species Are There? What Is The Biggest Fish?
There are more than 800 known freshwater fish species in North America alone. Worldwide, the number is over 10,000 species. Some species of freshwater fish, such as salmon and trout, are called...
