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Sharks 101 | National Geographic. Sharks can rouse fear and awe like no other creature in the sea. Find out about the world's biggest and fastest sharks, how sharks reproduce, and how some...
Sharks are a group of elasmobranch fish characterized by a cartilaginous skeleton, five to seven gill slits on the sides of the head, and pectoral fins that are not fused to the head. Modern sharks are classified within the clade Selachimorpha (or Selachii) and are the sister group to the Batoidea ( rays and kin).
SHARK ha asumido un compromiso con la competición y la innovación desde su creación, diseñando casco siempre superiores a los estándares y que garantizan los más altos niveles de seguridad y rendimiento.
Encontrá productos destacados y novedades de +Shark, una marca de ropa deportiva y urbana con diseños originales y de calidad. Comprá online musculosas, remeras, buzos, pantalones y más con cuotas sin interés.
8 de jul. de 2024 · Learn about sharks, the cartilaginous fishes of predatory habit that have more than 400 living species. Find out their characteristics, habitats, diets, threats, and human interactions.
Learn about sharks, their diversity, importance and threats from overfishing, demand for fins and bycatch. Find out what WWF is doing to protect sharks and rays and how you can help.
Learn about the world's oldest and most diverse fish, from their skeletons and teeth to their diets and social behavior. Find out how sharks are threatened by overfishing, climate change, and human activities.
