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Topic Title: fish from the lagoon Topic Summary: Created On: 11/07/2016 04:29 PM |
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11/07/2016 04:29 PM
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edible these days?
------------------------- "The truth is incontrovertible. malice may attack it, ignorance may deride it, but in the end, there it is." -Sir Winston Churchill |
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11/07/2016 06:13 PM
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i'm not ready yet!
closer to the inlet where the tidal flush happens..ok! ------------------------- BurrysBreak Inflation caused The BIG BANG...look it up! |
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11/07/2016 06:57 PM
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Agree^^^..catch and release these days. |
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11/08/2016 02:42 PM
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I dont think its any less safe than it ever has been
------------------------- I troll 2L.com to be a better person in real life |
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11/10/2016 06:44 AM
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yes, the only restriction I'm aware of is puffers mercury caution still applies http://www.floridahealth.gov/programs-and-services/prevention/healthy-weight/nutrition/seafood-consumption/_documents/advisory-brochure.pdf
------------------------- add a signature since I'm here in profile anyway |
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11/19/2016 05:09 PM
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I'm not eating anything coming out of the lagoon or irl with all the water problems we are having. Not to mention most of the decent size fish are full of worms.
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11/21/2016 12:13 PM
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What local fish do you think is the safest? I'm thinking whiting and pompano from the surf. Probably the smaller mahi mahi and tunas would be good but it's tough to get out and get them that often. ------------------------- "I remember South Africa in the late 70's, sleeping on the beach at J-bay, smoking ganja with the blacks. On weekends we'd go to the pub in East London to drink beer and fight with the Afrikaners. They liked to fight, I liked to fight. It was a good time" |
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11/23/2016 07:10 AM
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^In this case, size doesn't matter (haha!) There's tons of good info on mercury here: http://www.dep.state.fl.us/water/tmdl/docs/tmdls/mercury/Mercury-TMDL.pdf page 70 has actual levels, but to boil it down, the higher on the food chain (trophic level) your fish is (even small ones) the more mercury it contains ie - snook/tuna/shark = super high mercury shrimp/mullet/tilapia = very little mercury ------------------------- add a signature since I'm here in profile anyway |
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12/02/2016 01:51 AM
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Size does matter, a small fish of one species will have less mercury than a large fish of the same species ------------------------- "I remember South Africa in the late 70's, sleeping on the beach at J-bay, smoking ganja with the blacks. On weekends we'd go to the pub in East London to drink beer and fight with the Afrikaners. They liked to fight, I liked to fight. It was a good time" |
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12/02/2016 06:12 AM
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The danger of oversimplification - Guilty as charged! Within species, size/age can be a good predictor of mercury content. Between most species, trophic level is a good predictor of mercury content. Better?
------------------------- add a signature since I'm here in profile anyway Edited: 12/02/2016 at 06:28 AM by tom |
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12/02/2016 06:18 PM
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I would like to see comparisions between something like a huge whale shark that's 50 years old and eats plankton and a 3ft blacktip shark. ------------------------- "I remember South Africa in the late 70's, sleeping on the beach at J-bay, smoking ganja with the blacks. On weekends we'd go to the pub in East London to drink beer and fight with the Afrikaners. They liked to fight, I liked to fight. It was a good time" |
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12/03/2016 03:09 AM
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Tom, thanks for posting the link above. WOW! What a great report on lead in our fish/environment! I did "Control F" to look for pompano. Pg 70 - 73 shows lists of fishes we consume, including pomps on pg 71, and the amount of expected lead, Mean Hg (mg/kg) in them. I'm curious as to how pompano have such a relatively high number vs. sheepshead and red drum. Perhaps there's a lot of Hg in those sand fleas? But, in my fishing experience, the sheepshead eat quite a few fleas too.
Please see the article link Tom posted above for a more clear and accurate presentation of this data. From table 7.2 of the article: Amberjack 0.441 Blue crab 0.101 King mackerel 1.153 Mackerel 0.381 Marine catfish 0.422 Pompano 0.441 Red drum 0.196 Salad shrimp 0.016 Sheepshead 0.183 Snook 0.374 Whitefish 0.103 Largemouth bass 0.470 Lg Lobster tails 0.167 Shark 1.185 |
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12/03/2016 08:33 PM
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Mercury in fish accrued from coal power plant waste.
If tuna comes from a remote place, why is it as high as local caught fish of the same species? Have we just screwed up every inch of the planet? ------------------------- I was right. |
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12/05/2016 06:50 AM
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all3, I don't know that you'll find anything on whale shark but just for comparison of trophic differences from our IRL: Manatees - fairly long lived herbivore, have been shown to have 0.5ug/g (dry wt.) mercury in liver tissue and non-detect in muscle Dolphins - long lived top predator, have been shown to have 70(mean) to 200 (max) ug/g (wet wt.) mercury in liver and 5.7 (mean) to 42 (max) ug/g (wet wt.) in muscle. I don't have the actualy wet/dry values from these studies but wet vs dry is around a 5 to 1 in tissue so the manatee values, if wet, would be divided by 5. watch your mercury content!
cole - atmospheric deposition, but you probably knew that already ------------------------- add a signature since I'm here in profile anyway Edited: 12/05/2016 at 07:53 AM by tom |
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12/06/2016 10:16 AM
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Thanks Tom, that gives an indication for sure. ------------------------- "I remember South Africa in the late 70's, sleeping on the beach at J-bay, smoking ganja with the blacks. On weekends we'd go to the pub in East London to drink beer and fight with the Afrikaners. They liked to fight, I liked to fight. It was a good time" |
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12/07/2016 10:53 AM
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what you guys think about the stone crabs? |
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12/07/2016 11:44 AM
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Stone crab=epic! ------------------------- "I remember South Africa in the late 70's, sleeping on the beach at J-bay, smoking ganja with the blacks. On weekends we'd go to the pub in East London to drink beer and fight with the Afrikaners. They liked to fight, I liked to fight. It was a good time" |
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12/08/2016 07:11 AM
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mmmmm stone crab it's on page 70 of the link I posted above more mercury than shrimp, less than trout ------------------------- add a signature since I'm here in profile anyway |
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12/10/2016 06:14 PM
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"Levels of highly toxic mercury contamination in Atlantic bluefin tuna are rapidly declining, according to a new study. That trend does not affect recommended limits on consumption of canned tuna, which comes mainly from other tuna species. Nor does it reflect trends in other ocean basins. But it does represent a major break in the long-standing, scary connection between tuna and mercury, a source of public concern since 1970, when a chemistry professor in New York City found excess levels of mercury in a can of tuna and spurred a nationwide recall. Tuna consumption continues to be the source of about 40 percent of the mercury contamination in the American diet. And mercury exposure from all sources remains an important issue, because it causes cognitive impairment in an estimated 300,000 to 600,000 babies born in this country each year.
The new study, published online on November 10 by Environmental Science & Technology, links the decline directly to reduced mercury emissions in North America. Most of that reduction has occurred because of the marketplace shift by power plants and industry away from coal, the major source of mercury emissions. Pollution control requirements imposed by the federal government have also cut mercury emissions. Progress on both counts could, however, reverse, with President-elect Donald Trump promising a comeback for the U.S. coal industry, in part by clearing away such regulations." https://www.scientificamerican...-shift-away-from-coal/ ------------------------- "The truth is incontrovertible. malice may attack it, ignorance may deride it, but in the end, there it is." -Sir Winston Churchill |
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12/10/2016 07:01 PM
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Thank you, WG ------------------------- "I remember South Africa in the late 70's, sleeping on the beach at J-bay, smoking ganja with the blacks. On weekends we'd go to the pub in East London to drink beer and fight with the Afrikaners. They liked to fight, I liked to fight. It was a good time" |
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