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May 15, 2024 · Learn about fish, the diverse group of vertebrates that live in water and have gills, scales, and fins. Explore the evolution, diversity, ecology, and human uses of fish, from jawless lampreys to warm-blooded opahs.
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 ...
Learn about the diversity, evolution, and ecology of fish, the vertebrates that live in water and have a backbone. Explore stunning photos and videos of different fish species, from sharks and rays to salmon and eels.
Learn about different types of fish, their habitats, and how they breathe. Explore fun facts and photos of blue marlin, bull shark, clown anemonefish, electric eel, and more.
Jan 3, 2023 · Learn about the diversity, characteristics, evolution, and exceptions of fish, the aquatic vertebrates with gills, fins, and scales. Find out how fish are classified, what they eat, and how they reproduce.
- Bony fish, jawless fish and cartilaginous 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...
- 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...
- Fish can be predatory, foraging or filter-feeding. Their diets can be carnivorous or omnivorous depending on the species and can include prey from...
- Fish usually breathe through gills, which filters oxygen through water. However, some fish breathe using different means. Lungfish have lungs and m...
- The smallest fish is the cyprinid fish (8mm) and the largest fish is the whale shark (12m).
- “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...
- The main differences between the flying fox fish and the Siamese algae eater are color, length and shape, mouth shape, and algae preferences.
Learn about the diversity, ecology, and conservation of freshwater fish, which make up nearly half of all fish species. Find out how some fish migrate between fresh and salt water, and how human activities threaten their survival.
Jul 28, 2022 · Learn everything about fish, from their definition, ecology, types, and life cycle. Explore the diversity and adaptations of fish, from jawless to bony, from sharks to salmon.
