Greg Wood / AFP - Getty Images

A Grey Nurse shark swims through an artificial beam of light at the Sydney Aquarium on Saturday, July 3. The Aquarium has been transformed for a limited time into Shark HQ, an interactive shark adventure where the public can track individual sharks up and down the coast and walk down tunnels displaying one of the world's largest collections of sharks.

Creatures of the deep

The movie "Jaws" did its part to make sharks completely terrifying and fascinating for me. In fact, I can barely swim in a lake without being creeped out, which is obviously ridiculous. Will the unseen creatures of the deep be crossing your mind as you take a dip this holiday weekend?

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Thank you, thank you thank you.

Carcharias taurus. Formerly known as Odantaspis and or Eugomphodus t. But hey. At least they landed on one. Ovoviviparous. Relatively harmless unless you mess with it. Then it may bite you. But if someone was messing with me in my own home, I'd probably bite you too.

Try not to think about it, Katie. And maybe try not to think of the freshwater sharks. Don't believe me? Bull sharks have been found 2500 mi upriver. But then they are often confused with the Glyphis species.

I love sharks. They are magnificent.

    Reply#1 - Sat Jul 3, 2010 3:36 PM EDT

    And we don't go near the beach on the Fourth. Talk about dangerous. So no worries about the unknown critters beneath us. I will be up on my roof with Lola and my tripod. We'll see what I can get this year. Manual setting. 200 ISO F16 with a 2 sec. shutter speed with the remote. Here's hoping.

      #1.1 - Sat Jul 3, 2010 3:39 PM EDT
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      Nurse Shark seeks Gnarly Great White for dinner date.

      We've had a Great White around SB, it chomped on a seal just off our East Beach, a baby Great White washed ashore off Carpinteria. The Junior Lifeguards pulled water excercises out of the drink and put everyone on the beach for a few days.

      Lola, be sure to take that polarizer off the lens, hang a sand bag under the tripod, try a few filters for color saturation, zoom a bit-makes a cool perspective and focus on the first burst-infinity isn't good for this.

      Have a good Fourth. Ribbit.

        Reply#2 - Sat Jul 3, 2010 9:11 PM EDT

        Katie...Great photo! It's almost 3d .

        One summer I took the family to galveston Tx for a vacation. We were staying at the landmark flagship hotel that sits atop a large pier out over the Gulf of Mexico. I was out on the balcony chilling .. drinking a few cold brewskies..watching the surfers below. Suddenly, Out of no where this small blacktip shark shows up and starts feeding on a dead fish or something that was floating in the surf. Then..out of the depths..a huge dorsal fin ( 18+ inchs ) appears..barrel rolls then disappears back below the surface. This shark was huge!..It never revealed it's head or tail only about 5 ft. of its body and that giant fin. Fearing for the safety of the swimmers and surfers in the water..I panicked..Like a madman I raced down to the hotel lobby in only my underpants and a beer in my hand. But Before I could open my mouth The girls at the front desk freaked out and started screaming for the manager...other hotel guests scurried off! Boy I felt dumb!

          Reply#3 - Sun Jul 4, 2010 12:56 AM EDT

          Thats not a nurse shark, it looks more like a sand tiger. Both of which are relativly harmless

            Reply#4 - Sun Jul 4, 2010 1:08 AM EDT

            It's the same species. They are called by so many different names depending on the region.

            This bit is copied and pasted.

            English language common names include sand tiger shark, grey nurse shark, ground shark, spotted raggedtooth shark, slender-tooth shark, spotted sandtiger shark and ground shark. Other common names are bacota (Spanish), pintado (Spanish), sarda (Spanish), cação-da-areia (Portuguese), mangona (Portuguese), tavrocarcharias (Greek), chien de mer (French), kalb, (Arabic), grauer sandhai (German), hietahai (Finnish), karish khol pari (Hebrew), oxhaj (Swedish), zandtijgerhaai (Dutch), peshkaqen i eger (Albanian), shirowani (Japanese) and spikkel-skeurtandhaai (Afrikaans).

              #4.1 - Sun Jul 4, 2010 10:50 AM EDT
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              The movie"Jaws" did just the opposite for my seven year old son. He has a love and fascination of sharks that mosy kids have for Transformers. He can't wait to get in the ocean and swim with them. Our trip next week to the Gulf is one he has been planning for a long time. I think we have seen every shark movie, including documentaries, there is to be seen. I have even sat through several foreign versions with him trying to read as fast as he could. It is like I'm truly watching him choose what he will do in the future at a very young age. He eats, breathes, and acts like a shark 24/7.

                Reply#5 - Sun Jul 4, 2010 5:24 AM EDT

                Intrauterine cannibalism as well. The females have two uteruses (uteri?). The eggs hatch in utero and babies are born live and ready to eat. While in mom though, the larger of the hatchlings eat the rest of the eggs. So only two sharks are born at a time. And they are both about three feet long at birth. Imagine having to give birth to TWO three ft. babies, with teeth.

                CatsMommy, that was me at 13. Eugenie Clark gave a presentation at the Underwater Film Festival (mom and dad are underwater photographers) and she showed a movie of the Great White. It was love. Now, it's my son that avidly watches anything with sharks in it.

                  Reply#6 - Sun Jul 4, 2010 11:11 AM EDT

                  Everyone have a safe and fun Fourth!!!!!! Remember leave fireworks to the experts..Unless of course you've just finished off a six pack!! god Bless America!!

                    Reply#7 - Sun Jul 4, 2010 9:08 PM EDT

                    does dragging my family (including Lola) up to the roof to watch the fireworks count?

                      #7.1 - Mon Jul 5, 2010 12:58 AM EDT
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