Hollow pockets in Trevally fillets

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    Posted: 14 Nov 2023 at 12:14am
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Post Options Post Options   Likes (0) Likes(0)   Quote GregS Quote  Post ReplyReply Direct Link To This Post Posted: 14 Nov 2023 at 12:18am
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I get this condition in Trevally now and then, also not so often in snapper along the spine but not as bad as Trevally, any ideas what it is.
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Post Options Post Options   Likes (0) Likes(0)   Quote Reel Deal Quote  Post ReplyReply Direct Link To This Post Posted: 14 Nov 2023 at 6:39am
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It’s what happens when they hold on to farts ….
Seriously I’ve always wanted to know what they are too. Get in snapper too. 
The gods do not subtract from the allotted span of men's lives the hours spent on fishing - Assyrian Proverb
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Post Options Post Options   Likes (0) Likes(0)   Quote MB Quote  Post ReplyReply Direct Link To This Post Posted: 14 Nov 2023 at 8:56am
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It's come up before, the best explanation I've heard is barotrauma which is not necessarily related to the most recent capture. Either way, it's nothing to worry about from an eating perspective.
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Post Options Post Options   Likes (0) Likes(0)   Quote GregS Quote  Post ReplyReply Direct Link To This Post Posted: 14 Nov 2023 at 2:08pm
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Thanks MB that theory does make sense although Trevs don't seem to show symptoms of barotrauma like snapper do there still could be internal harm going on.
In this instance I trimmed the affected area out as it had a hard feel to it
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Post Options Post Options   Likes (0) Likes(0)   Quote brmbrm Quote  Post ReplyReply Direct Link To This Post Posted: 14 Nov 2023 at 2:21pm
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I've often seen one or two holes in a fish but never as much as that
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Post Options Post Options   Likes (0) Likes(0)   Quote krow Quote  Post ReplyReply Direct Link To This Post Posted: 14 Nov 2023 at 7:05pm
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I've had it heaps in Snapper lately. Makes filleting more of a challenge.
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Post Options Post Options   Likes (1) Likes(1)   Quote strx7 Quote  Post ReplyReply Direct Link To This Post Posted: 22 Nov 2023 at 3:56pm
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its called "swim bladder ectasia"  see it quite often in larger trevally and see it a bit 45+cm snapper too
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Post Options Post Options   Likes (0) Likes(0)   Quote GregS Quote  Post ReplyReply Direct Link To This Post Posted: 22 Nov 2023 at 10:38pm
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Thanks strx7, goodto have a name for it, I got some understanding when I googled it.
Sounds like the cavities are connected to the swim bladder and form from pressure shock. Nothing I read was sure what caused the pressure trauma or like MB said barotrauma. We caught a few trevs that day and looking down onto the back of the fish they were rounded and fat which indicated good condition.
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