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19 de abr. de 2018 · Fish are diverse — each species has evolved to live successfully in its specific underwater environment, from streams and lakes to the vast expanse of the ocean. Despite the thousands of different species, all fish share common evolutionary adaptations that help them thrive in their watery domain.
7 de jul. de 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.
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...
12 de feb. de 2019 · Fish come in a wide variety of colors, shapes, and sizes - there's the largest fish, the 60+ foot long whale shark, popular seafood fish such as cod and tuna, and completely different-looking animals such as seahorses, sea dragons, trumpet fish, and pipefish.
21 de may. de 2024 · Fish Characteristics. Fish possess several distinct features that distinguish them from other vertebrates: Gills: For extracting oxygen from water. Fins: For propulsion, steering, and balance. Scales: Covering the body for protection and reducing water resistance. Lateral Line System: A sensory organ that detects water movements and ...
3 de ene. de 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 (Pisces) are aquatic vertebrates with ectothermic bodies and adaptive features for aquatic life. These animals are cold-blooded as their internal organs cannot generate heat, prompting them to derive heat from their surroundings.
