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The animals in this group live in a variety of habitats ranging from coral reefs and kelp forests to rivers, streams, and the open ocean. Another is that fish are very old on the evolutionary scale.
- Great White Sharks
Great white sharks are relatively slow reproducers, which is...
- Arapaima, Facts and Photos
Also known as the paiche or the pirarucu, the arapaima is an...
- Northern Snakehead
The northern snakehead (Channa argus) has a most unusual...
- Flatfishes
Well-known commercial fish, including flounder, halibut,...
- Largetooth Sawfish
This shark-like fish is a predator. As they grow up, they...
- Fish
Fish are vertebrates (vertebrates have backbones) that live...
- Great White Sharks
15 de may. 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.
3 de ene. de 2023 · Advertisement. Fish are aquatic vertebrates. They usually have gills, paired fins, a long body covered with scales, and tend to be cold-blooded. “Fish” is a term used to refer to lampreys, sharks, coelacanths, and ray-finned fishes, but is not a taxonomic group, which is a clade or group containing a common ancestor and all its descendants.
Marine Life Encyclopedia. Explore the Marine Life Encyclopedia to learn fun facts and more about your favorite marine animals. From sharks and sea turtles to ecosystems and corals, you’re in the right place to take a deep dive into life under the sea. Cephalopods, Crustaceans & Other Shellfish. Corals and Other Invertebrates. Marine Mammals.
Scientists think that up to 91 percent of marine species have not yet been identified; but there could be as many as 700,000 of them! Most—95 percent—are invertebrates, animals that don’t have a backbone, such as jellyfish and shrimp. The most common vertebrate (an animal with a backbone) on Earth is the bristlemouth, a tiny ocean fish that glows in the dark and has needlelike fangs.
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. In all, about 20,000 species of marine fish have been identified. Anatomy.
