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Author Topic: do crabs see in color?  (Read 28954 times)
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fatgrub
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« on: July 11, 2013, 09:05:46 AM »

Due to the recent muddy conditions, i was thinking about adding a bright piece of masons twine or a shot of paint to my black snoods. I was wondering how this would effect my catch or if any color was less/more visable.  Huh
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« Reply #1 on: July 11, 2013, 09:12:28 AM »

my guess would be yes only because the females usually have red claws and from what I remember reading they use them to attract the males in courtship.
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« Reply #2 on: July 11, 2013, 10:47:47 AM »

I just restrung a bunch of mine with pink masons cord and used red tie wraps to hold my bait clips in.. Cant hurt
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« Reply #3 on: July 11, 2013, 12:00:16 PM »


      From my boat I use red braided 1/4" throw lines 16 ft  long with a 5/8" ss nut for  weight and do not have any problems catching crabs with this set up. 
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« Reply #4 on: July 11, 2013, 02:46:43 PM »

I don't think so.  Smell and touch. 

But on the other hand they do like red potatoes. laugh laugh laugh

Ronnie
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rapp414
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« Reply #5 on: July 11, 2013, 04:37:14 PM »

I just restrung a bunch of mine with pink masons cord and used red tie wraps to hold my bait clips in.. Cant hurt
I thought masons were way too manly to use Pink cord
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Luna Sea 3
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« Reply #6 on: July 11, 2013, 05:07:06 PM »

color isn't important. Crabs find their food by smell.  If you use a bright red line with bait at the end of it, the last thing the crab will notice will be the color of the line.  Its senses will pick up the bait way before it see's the line.  All marine creatures have special senses to help them find prey.  Just think, a shark can smell 1 ounce of blood miles and miles away.
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« Reply #7 on: July 11, 2013, 06:22:43 PM »

 
I don't think so.  Smell and touch. 

But on the other hand they do like red potatoes. laugh laugh laugh

Ronnie
laugh laugh laugh laugh laugh laugh laugh laugh laugh
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« Reply #8 on: July 11, 2013, 08:15:23 PM »

color isn't important. Crabs find their food by smell.  If you use a bright red line with bait at the end of it, the last thing the crab will notice will be the color of the line.  Its senses will pick up the bait way before it see's the line.  All marine creatures have special senses to help them find prey.  Just think, a shark can smell 1 ounce of blood miles and miles away.

Then what are the eyes for?  laugh laugh laugh
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« Reply #9 on: July 11, 2013, 08:16:40 PM »

I thought masons were way too manly to use Pink cord

Got it from some blue oyster masons. Lol
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« Reply #10 on: July 11, 2013, 08:51:31 PM »

Then what are the eyes for?  laugh laugh laugh
their site isn't there best sense..   Like a dog.. they can see but their smell is far more superior.. Lets not make more out of this post then it actually is. 
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« Reply #11 on: July 12, 2013, 07:03:16 AM »

Thanks for the input. I think I'll add a little color. Neon wire ties may be added the next time I re-bait . I hate when I see that big claw slip into the deep!
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« Reply #12 on: July 12, 2013, 09:02:38 AM »

their site isn't there best sense..   Like a dog.. they can see but their smell is far more superior.. Lets not make more out of this post then it actually is. 

So why arent all fishing lures the same color ? :/
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« Reply #13 on: July 12, 2013, 10:57:29 AM »

So why arent all fishing lures the same color ? :/
fish use their site more then crabs and lobsters do.  Fish attack prey by motion.. Crabs do not. Not all creatures are equal.  You trying to prove a point by using a fish is like comparing apples to bananas..
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« Reply #14 on: July 12, 2013, 11:38:06 AM »

fish use their site more then crabs and lobsters do.  Fish attack prey by motion.. Crabs do not. Not all creatures are equal.  You trying to prove a point by using a fish is like comparing apples to bananas..

Funny.. The crab in my tank begs to differ. He attacks the bait as soon as its dropped in the water. This weeks food is ny strip.
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« Reply #15 on: July 12, 2013, 02:10:51 PM »

Funny.. The crab in my tank begs to differ. He attacks the bait as soon as its dropped in the water. This weeks food is ny strip.
how about learning your facts.. Crabs have limited vision and find their food based on smell and touch.. like I said.. try doing some homework..

http://www.ehow.com/how-does_5750726_do-blue-crabs-food_.html
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« Reply #16 on: July 12, 2013, 02:14:16 PM »

Funny.. The crab in my tank begs to differ. He attacks the bait as soon as its dropped in the water. This weeks food is ny strip.

You feed your crab NY strip steak?Huh  Shocked Shocked Shocked
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« Reply #17 on: July 12, 2013, 04:27:23 PM »

You feed your crab NY strip steak?Huh  Shocked Shocked Shocked

Had trimmings from the other nights fajitas Wink
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« Reply #18 on: July 12, 2013, 05:31:15 PM »

how about learning your facts.. Crabs have limited vision and find their food based on smell and touch.. like I said.. try doing some homework..

http://www.ehow.com/how-does_5750726_do-blue-crabs-food_.html
I hate to take fp's side but.....  Grin After allot more then a half century of keep crabs in aquariums I can tell you for a fact the crabs will borrow into the sand with only it's eye stalks above the sand.  Then wait until a minnow comes within reach to pounce on it.  If they are hungry enough the crabs will pursue the minnows all around the tank.  Chasing it down until its cornered.  I'm talking about 50 to 100 gallon tanks.  Plus in a closed filter system the "smell" of the prey would saturate the water in the tank. In a small tank, 10-20 gallons, the crabs are waiting for you to drop their food as you walk up to the tank. Cool

Don't know if they see color but they sure as heck see black and white.... Grin
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Luna Sea 3
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« Reply #19 on: July 12, 2013, 07:05:11 PM »

All predators use site.  In this case, the question was, would crabbing be better if you can draw them in based in color.  Motion is a whole other thing.  Yes, crabs will stalk prey in tight quarters, but will they be drawn to color?   Crabs main sense is feel and smell.  A red line will not catch you any more crabs. 
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