A pod
Who has harmed each other more: humans to sharks or sharks to humans?
Humans to Sharks!
Humans have killed about 100 million sharks each year in fisheries.
Who has a flexible spine?
Dolphins
Dolphins are carnivores. What do they eat?
Fish, squid, octopus, sea lions, seabirds, sharks, and penguins
How many teeth does a shark lose over its lifetime?
30,000
Who is a fish?
Dolphins are mammals
What is the largest species of dolphin?
Orcas
How many senses does a shark have?
6
Sharks can’t see ghosts, but they can sense what they can’t see. Sharks have a sixth sense that uses a unique organ called the ampullae of Lorenzini, which allows them to sense electrical stimuli and is especially helpful in hunting for hidden prey
Who has 3 stomachs?
Dolphins
How do dolphins communicate?
whistles, clicks, squawks, squeaks, moans, barks, groans and yelps.
Which sharks are endangered and critically endangered?
Who uses their tails to stun/kill prey?
Both!
Thresher sharks have been known to use their tails to stun and kill prey.
How do dolphins sleep?
They shut down one side of their brain and close one eye.
Oviparous (laying eggs outside)
Viviparous (embryos and live birth)
Ovoviviparous (laying eggs inside and live birth)
Who has a vocal chord?
Neither!
Dolphins use their blowhole to produce sound--they do not have any vocal chords