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GSXVIII - Friday AM Pre-F...
by LoletaEric
[Today at 07:30:52 PM]
Descender Weight
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1
Fishing Tournaments and Events / Re: GSXVIII - Friday AM Pre-Fish Slot Open - page 12
« Last post by LoletaEric on Today at 07:30:52 PM »
I'm taking a few people out Friday, 730AM to 11ish.  One slot still open - max 4 guys.

Please send a message if you're interested.  It's a refresher and check-up on the current conditions and bite.
2
Fishing Tournaments and Events / Re: GSXVIII - Registration is now Closed - See you at the Cove!
« Last post by LoletaEric on Today at 07:21:27 PM »
Quote from: Notthatscott
Good evening I was wondering does anybody know the coordinates to Jurassic Park at Shelter Cove? A friend is bringing up a boat

No coordinates, but I know it's about 20 miles north of the launch and it has to be a really flat day with light wind to pull it off.  You'll find high quality nearer the Cove.
3
General Fishing Tips / Re: Descender Weight
« Last post by AlsHobieOutback on Today at 05:13:34 PM »
Quote from: polepole on Today at 03:56:32 PM
Quote from: AlsHobieOutback on Today at 12:56:36 PM
Quote from: Bulldog---Alex on Today at 12:20:34 PM
Has anyone tested retrieving what might be a larger fish at slower retrieval from deeper water? I will try and report when the time arises.

I have not had issues with barotrauma at inshore  because most of my inshore fishing in a kayak is usually no more than 80 ft in places I frequent around the Monterey bay
According to this PDF from the DFG on barotrauma: https://nrm.dfg.ca.gov/FileHandler.ashx?DocumentID=36345

Myth: Reeling a fish in slowly prevents barotrauma.
Fact: Rockfish cannot acclimate to the pressure drop even when reeled in slowly.

Quote
Myth: You can tell by looking whether a fish will survive or die.

According to published results of a Sea Grant
study led by researchers at Cal State Long Beach:
The degree of barotrauma in a fish is not a reliable
predictor of its survival. The most significant
predictor of post-release survivorship is the time a
fish spends at the surface.

Descend them all please, regardless of what they look like.

-Allen

If a fish can go down on it's own, lets say quick release at the water line, does that also mean that it's being less subjugated to the stress of barotrauma?
4
General Fishing Tips / Re: Descender Weight
« Last post by Sailfish on Today at 04:59:05 PM »

[/quote]
I just snell a thin wire barbless hook on backwards on the line above a weight.
-Allen
[/quote]

It's the simplest method!
5
General Fishing Tips / Re: Descender Weight
« Last post by SpeedyStein on Today at 04:48:23 PM »
Thanks everyone for the robust discussion!  Some great info and data points here.  I feel good about my plan for descending a rockfish, but still hoping I won't need to.

I'm looking forward to a break in the wind to get out there to my favorite spot and catch some fish! 
6
General Fishing Tips / Re: Descender Weight
« Last post by polepole on Today at 03:56:32 PM »
Quote from: AlsHobieOutback on Today at 12:56:36 PM
Quote from: Bulldog---Alex on Today at 12:20:34 PM
Has anyone tested retrieving what might be a larger fish at slower retrieval from deeper water? I will try and report when the time arises.

I have not had issues with barotrauma at inshore  because most of my inshore fishing in a kayak is usually no more than 80 ft in places I frequent around the Monterey bay
According to this PDF from the DFG on barotrauma: https://nrm.dfg.ca.gov/FileHandler.ashx?DocumentID=36345

Myth: Reeling a fish in slowly prevents barotrauma.
Fact: Rockfish cannot acclimate to the pressure drop even when reeled in slowly.

Quote
Myth: You can tell by looking whether a fish will survive or die.

According to published results of a Sea Grant
study led by researchers at Cal State Long Beach:
The degree of barotrauma in a fish is not a reliable
predictor of its survival. The most significant
predictor of post-release survivorship is the time a
fish spends at the surface.

Descend them all please, regardless of what they look like.

-Allen
7
General Fishing Tips / Re: Descender Weight
« Last post by Bulldog---Alex on Today at 03:44:38 PM »
Thanks for the replies.

Guess i should have done a quick search before just throwing that out there. :smt005
8
General Fishing Tips / Re: Descender Weight
« Last post by Clayman on Today at 03:23:50 PM »
Quote from: AlsHobieOutback on Today at 12:56:36 PM
Quote from: Bulldog---Alex on Today at 12:20:34 PM
Has anyone tested retrieving what might be a larger fish at slower retrieval from deeper water? I will try and report when the time arises.

I have not had issues with barotrauma at inshore  because most of my inshore fishing in a kayak is usually no more than 80 ft in places I frequent around the Monterey bay
According to this PDF from the DFG on barotrauma: https://nrm.dfg.ca.gov/FileHandler.ashx?DocumentID=36345

Myth: Reeling a fish in slowly prevents barotrauma.
Fact: Rockfish cannot acclimate to the pressure drop even when reeled in slowly.
Yep. Rockfish have what's called a "phystoclistous" swim bladder. The gas exchange (more gas for more buoyancy, less gas for less buoyancy) is controlled via chemical reactions within the bloodstream of the fish. So to reel up a rockfish slowly enough to prevent barotrauma, you would rely on the chemical exchange of the gas in the swim bladder transitioning to a liquid in the bloodstream. Good luck with that.

Meanwhile, salmon and trout have a "phystostomous" swim bladder. A physostomous swim bladder includes a duct attaching the swim bladder to the stomach. So when a salmon or trout is reeled up from depth, they can "burp" the expanding gas. That's why you don't see salmon blowing up with barotrauma even when reeled up from 200+ ft.
9
General Fishing Tips / Re: Descender Weight
« Last post by JoeDubC on Today at 03:05:02 PM »
Quote from: AlsHobieOutback on Today at 12:56:36 PM
Quote from: Bulldog---Alex on Today at 12:20:34 PM
Has anyone tested retrieving what might be a larger fish at slower retrieval from deeper water? I will try and report when the time arises.

I have not had issues with barotrauma at inshore  because most of my inshore fishing in a kayak is usually no more than 80 ft in places I frequent around the Monterey bay
According to this PDF from the DFG on barotrauma: https://nrm.dfg.ca.gov/FileHandler.ashx?DocumentID=36345

Myth: Reeling a fish in slowly prevents barotrauma.
Fact: Rockfish cannot acclimate to the pressure drop even when reeled in slowly.


That is a very informative handout on barotrauma.
I'm wondering how slowly they factored on reeling up. When I hook a small fish sometimes I will really take my time bringing it up, with several pauses at different depths. This does cut into fishing time. But if even several minutes does no good, then it's probably better to get them up and then back down quickly.
10
General Fishing Tips / Re: Descender Weight
« Last post by polepole on Today at 01:07:38 PM »
Quote from: Bulldog---Alex on Today at 12:20:34 PM
I have not had issues with barotrauma at inshore  because most of my inshore fishing in a kayak is usually no more than 80 ft in places I frequent around the Monterey bay

You have had problems with inshore baraotrauma in less than 80 feet.  You just don't see it.  I'm going to keep beating this drum. All rockfish that are released should be descended whether or not you observe barotrauma.

-Allen
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