Friday, 24 June 2011

Creepy Critters Coming Soon to Oregon Coast Beach Near You

Covering 180 miles of Oregon coast travel: Astoria, Seaside, Cannon Beach, Manzanita, Nehalem, Wheeler, Rockaway, Garibaldi, Tillamook, Oceanside, Pacific City, Lincoln City, Depoe Bay, Newport, Waldport, Yachats & Florence.

06/28/08

Creepy Critters Coming Soon to Oregon Coast Beach Near You

Photos and Story by Tiffany Boothe, Seaside Aquarium

(Oregon Coast) - It's a beautiful day at the beach in, say, Cannon Beach, Newport, one of those cool hidden spots south of Yachats, Oceanside or maybe the mystical Neskowin. It could be anywhere. You're wading in the water, careful to watch the breakers for major sneaker waves, and you notice something odd continually washing past your feet.

What are those? Prehistoric little bugs? Miniature turtles? Sand flees? Potatoe bugs?

It's difficult to tell by the mere looks of them, but they're a type of crab. They’re mole crabs, to be exact.

Don't worry. They don't pinch or bite. In fact, they have small feather-like appendages which they wave through the water to collect plankton. Instead of pinchers they have paddle-like legs which help them burrow quickly into the sand. Mole crabs swim and dig into the sand backwards - that way only their eyes are sticking out of the sand. You’ll see the waves appear to “bubble” as the vast numbers of these creatures are tossed around by the tide and they struggle to burrow themselves into one spot.

You will start to see them now and through the summer, coming up rather heavily in mid or late summer especially. Harmless but a little creepy to feel on your feet, they’re often sought after by fishermen as bait.

They bury themselves backwards in the sand so their breathing tubes can still remain sticking out. By burying themselves, they are protected from predators and they’re stationary long enough to feed.

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Instead of pinchers, mole crabs have adapted claws to help them dig in the sand. They also come with two sets of antennae: breathing tubes and feeding antennae.

What’s in a name of a mole crab?

Their scientific name is Enerita analoga. The phylum is Arthropoda. Class: Crustacea. Order: Decopoda, and their family is Hippidae.

Mole crabs are related to many other crabs we know, but of course, they’re much smaller than most of the those in their little section of the animal kingdom. They’re in the same order as hermit crabs, true crabs and shrimp.

They normally live on sandy beaches in the surf zone, usually buried in the sand with the breathing antennae sticking out. You’ll find them in the geographic range of Alaska to Chile, but only occasionally found north of Oregon. Northern populations are from larvae that ride the current up the coast.

Now, what does it eat and how does it eat, you’re asking?

Why, plankton of course. These little critters use a second set of antennae to fish through the water. The hairs on the antennae are so fine they can catch bacteria. They don’t fish all of the time, usually only while lounging in the surf zone when the water is a few inches deep.

They ride in and out with the surf to maximize on feeding time. Primarily, they feed while buried in sand. They dig themselves into the surf and wait for the receding wave. Their antennae then catch any phytoplankton coming through, and their appendages then take the catch into their teeny, tiny mouths.

Their shells – or carapaces – get about one inch to 1.4 inches in length.

Their lifespan is about 18 months maximum, usually summer through to the next summer.

Mole crabs reproduce through internal fertilization. The female must molt before reproduction can occur (this is the case with most crabs).

The female carries her eggs under the abdominal area for several months. The eggs are bright orange, and mating season is the spring.

By July, most of the males that were hatched the previous summer have died off. The females will have died off by the winter, leaving only one single generation of them on the beach. Once the winter kicks in and the sand gets too cold, they leave the beach for deeper waters.

These are popular little guys - a huge link in the food chain. Seagulls, sandpipers and surf perch make steady meals out of them. They are popular with many people on the east coast as bait for fishing.

To see live mole crabs, head to the Seaside Aquarium. 503-738-6211.

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All homes are immaculate and smoke free; some pet friendly (with a fee). Some with broadband, indoor or outdoor hot tubs, fireplaces, decks, and fire pits or barbecues. Call about tempting winter specials that go until March (not valid holidays, however). http://www.archcaperentals.com/ 866-436-1607.

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CONTACT / ADVERTISE ON BEACH CONNECTION

ASTORIA
Where the Columbia meets the Pacific, Land of Lewis & Clark and loads of atmosphere & history


SEASIDE
The Promenade, Tillamook Head, family fun & broad, sandy beaches

CANNON BEACH
A mysterious lighthouse, upscale yet earthy, a huge monolith, fine eateries & an art mecca


NEHALEM BAY
Manzanita's beaches, Nehalem and Wheeler's quirky beauty; laid back Rockaway


TILLAMOOK BAY
Garibaldi, Barview, Bay City, Tillamook & an oceanfront ghost town


THREE CAPES LOOP
The hidden secret of the coast: Cape Meares, a lighthouse, Oceanside, Netarts and Pacific City

DEPOE BAY
A spouting horn downtown, freaky hidden cliffs and whales, whales, whalesNEWPORT
Time-tripping Nye Beach, a bustling bayfront, marine science-central and two lighthouses
YACHATS
Constantly dramatic wave action, a mix of the rugged & upscale
FLORENCE
A lighthouse, ancient bayfront and miles and miles of fluffy dunesA famous little family eatery where the seafood practically gets shuffled from the sea straight into your mouth. Soups and salads include many seafood specialties, including cioppino, chowders, crab Louie and cheese breads. Fish 'n' chips come w/ various fish. Seafood sandwiches with shrimp, tuna or crab, as well as burgers. Dinners like pan fried oysters, fillets of salmon or halibut, sautéed scallops.

Perfect for large family vacations all the way down to a getaway lodging for two - with over 25 vacation rental homes to choose from. A breathtaking collection of craftsman or traditional beachfront homes, or oceanview houses – from one to seven bedrooms. In various areas of Lincoln City and overlooking the beach, with some in Depoe Bay. All kinds of amenities are available, like hot tubs, decks, BBQ, rock fireplaces, beamed ceilings and more. Some are new, some are historic charmers.


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