Blog Tags: Myths
Happy Shark Week!
Sharks are the center of a lot of stories and urban legends, but you might be surprised by the truth behind some of the most common myths about sharks. In honor of Shark Week, we’re going to dispel some of the major myths surrounding sharks and shark behavior.
MYTH #1: All sharks are voracious predators, looking to attack anything in sight, including humans.
FACT: While some shark species do have aggressive tendencies, most hunt only to find food (and humans aren’t on the menu). Just like other top predators, sharks make a meal out of animals lower in the food web, keeping the ocean habitat in balance. Only a few species have been known to attack humans unprovoked, and that’s often because of poor visibility or inquisitive bites. There are even species, like the whale shark and the basking shark, that are filter feeders that eat fish eggs, krill, and other microorganisms in the water.
MYTH #2: Sharks do not attack at midday.
FACT: It’s true that there are fewer attacks in the middle of the day, but that’s not because sharks aren’t active then—it’s because everybody’s out of the water eating lunch. Sharks are most active at dawn and dusk, but it’s possible to encounter at shark at nearly any time of day.
MYTH #3: Sharks have walnut-sized brains.
FACT: Sharks are actually pretty smart! They have some of the largest brains in the fish world (along with their close relatives, rays), and their brain-to-body size ratios are similar to birds and mammals. Sharks have been known to exhibit complex social behavior, curiosity, and play in the wild. Many species live in groups and hunt in packs.
MYTH #4: In order to stay alive, a shark must constantly be moving.
FACT: The movement of swimming allows water to pass over a shark’s gills so that they can breathe, but some species have adaptations that allow them to stay still and breathe at the same time. When resting, some sharks can lie on the sea floor and actively pump water over their gills.
MYTH #5: Sharks have no predators.
FACT: Yes it’s true that sharks are at the top of the food chain, but they have a very powerful predator: humans. Each year, tens of millions of sharks are killed for their fins, sport, or caught and killed as bycatch. By removing so many of these important predators without allowing them time to restore their populations, we’re disrupting the balance of the marine food web.
The great white shark, the most iconic shark in the ocean, faces serious threats off the West coast of the United States. Only a few hundred are left, and their populations aren’t recovering quickly — unless we do something. Sign today to help improve protections for great white sharks in the Pacific.
After watching and reading news reports and blog posts about the Gulf oil spill for more than two months, I was wondering if anything new could be said about the catastrophe.
As I found out at yesterday’s TEDxOilSpill conference, the answer is a resounding yes. Scientists, entrepreneurs, anthropologists, activists, musicians and writers came together to vent, and to try and wrap their heads around how this could have happened, and to bat around solutions, immediate and long-term.
Over and over, I heard riffs on a theme: this is an unprecedented disaster, and we are still in the thick of it. We don’t know how bad it will get, or what the long-term effects will be. And now is our moment to make sure it doesn't happen again.
Oceana CEO Andy Sharpless fired off a list of ten myths about the oil spill and offshore drilling, and Oceana campaign director Jackie Savitz told the crowd that “it is time to tell the pusher (Big Oil) that we’re going clean.”
It was an intellectually and emotionally exhausting day – several presenters were brought to tears during their presentations.
- Coast Guard Report Raises More Questions for Shell and Government Posted Wed, April 9, 2014
- A Big Day for Little Fish Posted Fri, April 11, 2014
- Reducing Bycatch Casualties, One Whale at a Time Posted Mon, April 14, 2014
- New York, the New Windy City? Posted Mon, April 14, 2014
- Drill, Spill, Repeat: Shining a Light on the BP Gulf Disaster 4 Years Later Posted Tue, April 15, 2014