"SHARK" can refer to different things depending on the context. Here are a few common interpretations: 1. **Marine Animal**: Sharks are a group of elasmobranch fish known for their cartilaginous skeletons and a generally streamlined body shape. They are found in oceans worldwide and are predators in marine ecosystems.
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A shark is a cartilaginous fish within Chondrichthyes. Its paired fins, jaws and sensory systems support diverse ways of life. The group includes both active predators and filter-feeding forms, so one feeding stereotype does not define it.