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Great Lanternshark. Greenland shark. Gulper shark. Kitefin shark. Pacific sleeper shark. Pygmy shark. Spiny dogfish. Sharks in this order have flattened bodies, a mouth with dermal flaps in front of a short snout, nasal barbels, eyes and spiracle on the top of their head, and lack an anal fin. Angel shark.
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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.
25 de jul. de 2019 · 42K. 8.3M views 4 years ago #NationalGeographic #Sharks #Educational. Sharks can rouse fear and awe like no other creature in the sea. Find out about the world's biggest and fastest sharks,...
Learn about the world's oldest and most diverse fish, from their skeletons and teeth to their diets and migrations. Find out how sharks are threatened by overfishing, climate change, and human activities.
Hace 4 días · 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.
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).
Hace 2 días · This is how we can share our coasts with sharks. As sharks’ prey species recover and beach tourism increases, we're learning how to keep both ourselves and sharks safe from harm. In The Bahamas ...
