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  • Squalidae - Wikipedia
    Squalidae, more commonly known as dogfish, dog sharks, or spiny dogfish, [3] are one of several families of sharks categorized under Squaliformes, making it the second largest order of sharks, numbering 119 species across 7 families [4]
  • Shark Populations Are Crashing, With a ‘Very Small Window’ to . . .
    Oceanic sharks and rays have declined more than 70 percent since 1970, mainly because of overfishing, according to a new study By Catrin Einhorn In just the last half-century, humans have caused
  • Are There Sharks In Turkey? 9 Species In The Med Aegean
    Turkey is surrounded by the deep waters of three seas: the Mediterranean Sea, the Black Sea, and the Aegean Sea And yes, there are sharks; in fact, there are over 50 shark species swimming in Turkish waters, including hammerheads and the notorious great white sharks So why don't we hear of more shark attacks and
  • How does slow reproduction affect sharks and rays? - Save Our . . .
    Both! With more than 1,000 species of sharks and rays, there is a huge diversity of reproductive strategies But there are three main types: Oviparous species produce eggs The eggs are generally protected in a tough, leathery case, but the cases look different, depending on the species
  • ELI5 How do sharks really sense blood from far away?
    In reality however, sharks have about the same sensitivity as other fish and can detect smells at between 1 part per 25 million and 1 part per 10 billion, This depends on the chemical (blood, for instance), and the species of shark
  • Geosmin: Why We Like The Smell Of Air After A Storm
    To put that in context, a shark can smell blood at one part per million That means human noses are 200,000X more sensitive to geosmin, which is also the source of the earthy taste in some vegetables, than a shark is to blood No wonder I hate the taste of beets, my nose is probably better than yours What is this evolutionary relic?
  • A Look At Types of Shark Teeth and Their Unique Features
    Needle-like teeth are one of the most common types of teeth and are found in many species of shark, including bull sharks and blue sharks These sharks typically prey on a wide variety of fish as well as other slippery prey such as squid Furthermore, bull sharks often hunt in muddy or murky water where the visibility is low





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