Jun 5
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Happy World Oceans Day from ARKive!

This Saturday, June 8th, is World Oceans Day, a global event coordinated by the Ocean Project and The World Ocean Network, that celebrates the important relationship between humans and the oceans.

Photo of humpback whale

Humpback whales travel thousands of kilometers across the oceans each year as part of their migration.

The theme of World Oceans Day for 2013 and 2014 is “together we have the power to protect the ocean”. Taking the theme to heart, ARKive has joined up with World Oceans Day as a digital conservation partner by creating a virtual scavenger hunt across the ARKive collection featuring 10 keystone species from all walks of ocean life.

Think you have the nautical know-how it takes to finish the hunt? To start you off, we’ll give you the first clue:

 ”The noises I make are whistles and clicks. I can leap out of the ocean and perform other neat tricks.”

6-hammerhead-shark.cropped

You’ll know you’ve found the right species from the clue when you spot  our scavenger hunt mascot – the ARKive hammerhead shark Survival app hero – on the species page. By clicking on it, the next clue will be revealed until you’ve found the final species in the hunt and win!

Each winner of the virtual scavenger hunt will receive an awesome Facebook cover photo so you can spread the ocean word to all your friends. We have also created a Facebook landing page for the scavenger hunt with some tips and tricks to help you along the way. Share the page with friends and family and see who can finish the scavenger hunt first!

If you have completed the ARKive World Oceans Day virtual scavenger hunt and are looking to surf the ARKive collection a bit more, why not have a look at our rocky and sandy shore topic pages or dive into ARKive Education for some water-themed education resources? Or, check out the World Oceans Day website for a listing of hands-on events that may be happening near you.

However you choose to celebrate, the ARKive team wishes you a wonderful World Oceans Day!

Ari Pineda, Program Coordinator, Wildscreen USA

Aug 13
Share 'ARKive’s Beach Treasure Hunt' on Delicious Share 'ARKive’s Beach Treasure Hunt' on Digg Share 'ARKive’s Beach Treasure Hunt' on Facebook Share 'ARKive’s Beach Treasure Hunt' on reddit Share 'ARKive’s Beach Treasure Hunt' on StumbleUpon Share 'ARKive’s Beach Treasure Hunt' on Email Share 'ARKive’s Beach Treasure Hunt' on Print Friendly

ARKive’s Beach Treasure Hunt

With the school holidays stretching out ahead of us and the arrival of summer in the northern hemisphere, many of us will be heading to the coast with friends and family to soak up some sun or play in the sand and surf. The beach is a great place to search for signs of wildlife, and with this in mind we’ve created ARKive’s beach treasure hunt, a bingo style game to keep the kids (and the competitive adults among us) entertained!

It’s so easy to play along, simply print out a copy of our PDF tick sheet, which can also be found on our fun stuff page, then head down to the seaside and start searching.

How many of the following will you be able to find on your next visit to the beach?

Beach Bingo Thumbnail

Crab

Our favourite coastal crustaceans, crabs can be found around the globe, from the common shore crab on the beaches of the UK to the huge coconut crab found on tropical Indo-Pacific islands, thought to be the largest terrestrial arthropod in the world.

Crab photo

Jellyfish

Wobbly they may be, but fish they are not! Jellyfish actually belong to the phylum cnidaria, along with anemones and corals. They can be found in every ocean of the world and are a fairly common sight washed up on beaches. If you do find one, approach with caution, some can give you a nasty sting even when out of the water.

Jellyfish photo

Sharks’ teeth

One of our favourite things to find on the beach is sharks’ teeth. Sharks continually shed and replace their worn-out teeth, with the lost teeth often fossilising on the seabed and eventually washing ashore. Some are very valuable if you are lucky enough to find them, like the teeth of the extinct giant shark megalodon.

Sharks' teeth photo

Urchin

Sea urchins are peculiar looking animals that typically live on the seabed or burrow in to the sand. Many have spectacular looking spines for protection, giving rise to the name ‘urchin’, an old term for their spiky lookalike – the hedgehog.

Urchin photo

Starfish or sea star

Another misnomer here, as starfish are not related to fish but belong instead to a group of animals known as echinoderms, leading marine scientists to use the name ‘sea star’ instead. Sea stars are a fascinating group, most famous for their ability to regenerate limbs. It is estimated that there are around 2,000 species found around the globe.

Starfish photo

Sea shells

Shells of all shapes and sizes can be found on beaches around the world, and the most commonly found are the hard, protective casings of marine molluscs, particularly bivalves such as mussels and oysters, and gastropods like periwinkles, limpets or the even spectacular queen conch.

Shell photo

Driftwood

Driftwood is a common sight on beaches, particularly after a storm. The term driftwood refers to all types of wood washed ashore including both trees and branches washed out to sea naturally or lost during logging, and man made wooden objects such as lost cargo or parts of shipwrecks.

Driftwood photo

Eggs

Many marine species lay their eggs at sea, and it is not uncommon to find eggs washed onto beach from time to time. Some species attach egg clusters to things like kelp (such as the common whelk eggs pictured), while others including sharks and skates lay eggs in distinctive protein cases sometimes known as mermaid’s purses.

Whelk egg mass photo

Seaweed

Seaweed is the name given to a vast array of marine algae, and the different species typically belong to three main groups; brown, green and red algae. Some species have distinctive ‘floats’ or ‘air bladders’ filled with gas to help keep them upright underwater.

Seaweed photo

Cuttlefish shell

Cuttlefish are molluscs, and as such they are related to bivalves and gastropods, the species who produce many of the sea shells we see washed ashore. The shell of the cuttlefish however, is internal, and often referred to as the cuttlebone. It is chambered and filled with gas to help the cuttlefish regulate its buoyancy.

Cuttlefish shell photo

Good luck with your own search – make sure you let us know how you get on! You could even share photographs of your finds on the ARKive Facebook page.

Claire Lewis, ARKive Researcher

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