Crays today

Crays today

Hundreds of shells floating under ledges.3 soft double shelled reds. 2 hard whites.3 soft whites. Few weeks


OOH YEH's picture

Posts: 335

Date Joined: 16/06/15

Gday mate ...

Thu, 2019-11-14 19:06

Good score there ....

 I’m running my pots out tomorrow

OOH YEH's picture

Posts: 335

Date Joined: 16/06/15

Gday mate ...

Thu, 2019-11-14 19:06

Good score there ....

 I’m running my pots out tomorrow

little johnny's picture

Posts: 3659

Date Joined: 04/12/11

To early

Thu, 2019-11-14 20:37

For pots

quadfisher's picture

Posts: 1054

Date Joined: 28/09/10

Wait for it , wait for it .........GO!

Thu, 2019-11-14 22:29

 New moon on 26th or something I think , and according to the future forcast for surface water temp in bom , it be a degree warmer in metro 

 by about then . 

 There walking in Jurien and Lano atm , according to the highly accurate and totally infallable social media.

 So give it one week ,3 days , 2 hours and 4 minutes and I would  gently lower my baited pot into 15.43 m of water onto sand ajoining reef into the mouths

  of the walking crayfish hoards!.......................... but its only a guess .

 

 Shell hardning info below.

  Crayfish release an enzyme that softens ups the shell, as they have a exoskeleton they can only grow bigger by hoping out of the old shell and hardening up the new one underneath. They dont sit out in the open/ sunlight to harden up the shell.....that would mean death from predation. The reason they come into shallow water to shell is because it is safer for them  from large predators. The enzyme causes the meat to be flowery and it is not as sweet or firm, they pull the moajority of the calcium in their shell and hold it in two small capsules, untill post molt, when they release the calcium back into the shell causing it to harden up.

 
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quadfisher

Posts: 274

Date Joined: 10/12/07

Shallow water

Fri, 2019-11-15 08:48

The only part of that shell hardening I don't agree with is when they say the crays come back into shallow water. Like a whites in reverse?? Can you imagine this mass reds migration when all the reds come back to shallow water ..getting eaten along the way...to shed their shells...only to do a u-turn and head out again. The crays are always there. The sea bottom in places is a mass of honeycombe. Holds so many crays we never see. I read somewhere crays only do a white moult once in their life. I know some moult in March and they are reds. Not sure what the white moult is all about, but must involve some sort of migration to deeper water.

The whites start in shallow and as the season progresses and water warms the moult accurs out further. They are not the same crays that start in shallow. I think they all move out a bit further until eventually some get to the shelf and take a right turn and head north...to where I do not know. Probably Abrolhos or big bank. 

little johnny's picture

Posts: 3659

Date Joined: 04/12/11

A heap of sence in what

Fri, 2019-11-15 17:21

Your saying.

quadfisher's picture

Posts: 1054

Date Joined: 28/09/10

Blinded me with science ( Thomas Dolby)

Fri, 2019-11-15 20:21

 Yeah im not saying your wrong , but  there has been tagging programs done that do indicate more of a walk or migration than your indicating, in some crays.

 No its not like all the  ducks flying south for winter type thing but the tagging did say some start in very shallow , to only find themselves in very deep water

  a couple of months later. However as you say in some tag groups up to 70% failed to move any great distance.

 But if your putting a pot on 18m of sand between the shore and 5 fathom any other time of the year your feeding fish. 

 Suddenly for a few brief weeks those same pots could clean up on walking crays , so even if its not a 200km walk for most crayfish , theres enough movement 

 to target them.    Some tag info below.

 https://www.tandfonline.com/doi/pdf/10.1080/00288330.2009.9626532

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quadfisher

still trying's picture

Posts: 321

Date Joined: 27/06/17

 Thanks for the update good

Fri, 2019-11-15 13:19

 Thanks for the update good to hear from the divers what's going on down there. 

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 rather be fishing

little johnny's picture

Posts: 3659

Date Joined: 04/12/11

My take on it all

Fri, 2019-11-15 21:04

Seagrass blossoms. ( 2 weeks earlier than last year) . Wattle trees almost in full blossom.xmas trees starting . Nature doesn’t tell lies. Me personally white run going to be poor in close( very short and quick) I don’t know what the gurus know ( people with degrees). Going to be shit year . Just my take on matter. We will see. Good luck

Posts: 669

Date Joined: 16/08/09

I have been keeping a log of

Sat, 2019-11-16 11:10

I have been keeping a log of my catches and depths diving for about 6 years. This year has so far been the worst by a long way. I think your dead right.