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Author: Subject: Researchers successfully cultivate tilapia in sea water
djh
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[*] posted on 3-8-2011 at 06:21 PM
Lessons un-learned


Back in the late 1800's a man in New York introduced (the first ever) 100 starlings into Central Park.....

I don't imagine there is an accurate bird census but there are hundreds of millions of them from Canada into Mexico ~ and the impact to native species has been dramatic (and sad). I don't hate or fault the starlings (their chorus is pretty amazing) . . . but there is a lesson in this.

There are lots of similar disasters that you probably remember . . . knapweed in the west, croakee (sp?) frogs in Hawaii, etc.

I like Bill's example of the Talapia introduction into the irrigation canals and the gurantee that they would not enter the Salton Sea....

Amigos over 50 . . . let's all sing along:

Where have all the big fish gone?
Long time passing.
Where have all the big fish gone?
Long time ago.
Where have all the big fish gone ~
Gone to Iflyfish's cooler, everyone. (insert name of choice)
When will we ever learn?
When will we ehhhhh ver learn ?

Someone wanna write the second verse ?

:yes:

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bajajudy
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[*] posted on 3-8-2011 at 06:23 PM


I was thrilled to see all the dead Talipia on the beach when the estuary broke through a few months back as it meant they were no longer clogging up the estuary. The thought of the oceans full of these nasty beasts is scary.



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[*] posted on 3-8-2011 at 07:11 PM


Tilapia eat plant matter. They are generally free of envronmental contamination because they prefer plant matter for food. Tilapia are considered a choice fish in countries across the world. Most of what we eat would be considered bland without seasoning.
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djh
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[*] posted on 3-8-2011 at 08:16 PM


I've eaten it several times....

Prepared well, it isn't too bad ~ not like the Cabrilla or Baja Shrimps prepared by Juan Carlos at Cate Mita on the Loreto square or at Islas, mind you, but not bad...

It is a popular fish with many fish farmers in Taiwan, where Shing grew up.... One of my favorite friends, Toivo, in Chiang Mai Thailand just stocked his new pond with Talapia. It is obviously a viable and valuable source of good protein that affords opportunities for our growing human population.

My earlier comments were a just a reminder of what can happen if a non native species is introduced into a natural environment rather than a contained system / fish farm with protections to keep them out of the natural systems.

For myself, I don't eat beef, pork, poultry, etc. . . but I do eat seafood a few times a week. I prefer wild caught.... and I so appreciate the amazing fish in the SOC. I did a lot of fly fishing in WA and ID and MT in the 70's and early 80's. I hope to start fishing again in Baja.

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[*] posted on 3-8-2011 at 08:44 PM


cypress....tilapia also eat ham, bacon and hotdogs....that's speaking from experience at san ignacio lagoon when we stayed with terry and gary at the b and b...we brought no gear so they gave us a primitive fly rod and a baggie with some of tomorrows carne in it....caught one after another right off the bank...they made us promise to turn them all loose...and we did..but a fun afternoon



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[*] posted on 3-8-2011 at 09:08 PM


Quote:
Originally posted by DENNIS
I've heard that if you ever see them farmed, you'll never eat them again.


If you've ever seen them in a tank at farmer's market or an asian restaurant you'll never eat one.

They keep them alive in a tank to preserve their freshness before serving. But usually they're so crowded that there are always a few dead ones and half a dozen swimming sideways. The whole spectacle is macabre ... only to be outdone by the thought of one of these later served on a plate.

On the other hand those beef yards along hwy 5 can turn a guy into a vegetarian.
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djh
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[*] posted on 3-8-2011 at 10:20 PM


Quote:
Originally posted by Skipjack Joe
Quote:
Originally posted by DENNIS
I've heard that if you ever see them farmed, you'll never eat them again.


If you've ever seen them in a tank at farmer's market or an asian restaurant you'll never eat one.

They keep them alive in a tank to preserve their freshness before serving. But usually they're so crowded that there are always a few dead ones and half a dozen swimming sideways. The whole spectacle is macabre ... only to be outdone by the thought of one of these later served on a plate.

On the other hand those beef yards along hwy 5 can turn a guy into a vegetarian.


THAT is pretty much the reason I stopped eating meat when I was young & left home. Growing up & seeing the chicken "farms", stockyards, and slaughterhouse where I grew up did it for me.... for life... Geeze almost 40 years ago.... and now at 55 . . . . well I don't look a day over 62 :?:

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[*] posted on 3-8-2011 at 11:10 PM


Quote:
Originally posted by DENNIS
I've had the frozen filets bought from WalMart and the fish is tasteless.


And this, my friend, is its allure to the masses who do not like fish that tastes like fish.
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[*] posted on 3-9-2011 at 08:57 AM


Tilapia is low in murcury but high in fat. As for taste Cypress is correct. It's the seasoning that makes it acceptable. To me there is nothing that taste better than fresh caught fish, some better than others, sometimes much better.
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[*] posted on 3-9-2011 at 10:00 AM


Quote:
Originally posted by BajaBruno
And this, my friend, is its allure to the masses who do not like fish that tastes like fish.


The frozen package which I bought had directions and times for leaving it in the trunk of your car to take on flavors and aromas of various fish. For instance, 18 hours at 95 degrees will be just like Yellowtail. :lol:
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[*] posted on 3-9-2011 at 03:24 PM
Nothing Better ?


The BEST Fish I've ever eaten didn't taste as good as Last Night's Grilled Rib-Eye and no amount of seasoning would change that.
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[*] posted on 3-9-2011 at 03:40 PM


Tilapia will die if the water temps. drop below 50 F. There are breeding populations in some of the rivers that empty into the Gulf of Mexico. Ideal temp range is 82 F to 86 F. They can reproduce in salt water, but the higher the salinity the lower the survival rate of fertilized eggs.
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[*] posted on 3-9-2011 at 03:49 PM
Heavy Breeding


IF their Survival rate is lower with Higher Salinity, those Little Buggers must REALLY be doing some Olympian Breeding down at the Salton Sea given its HIGH Salinity and their HIGH Numbers there.

Years ago, even the Vietnamese illegally netting them nightly at a thousand-pounds per couldn't put a dent in their numbers.
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[*] posted on 3-9-2011 at 03:51 PM


The marvelous thing about Tilapia is that they have almost a 1:1 ratio of resource to growth----that is, it takes about one pound of feed to make one pound of fish...so it is very green in that sense. Chickens are around 3:1, maybe less these days, pigs are higher still, and cattle have a 25:1 resource to growth ratio....quite inefficient.

But yah it sucks that they could invade the SOC....anyone seen them while diving or fishing out in the open waters?
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[*] posted on 3-9-2011 at 04:15 PM
Good Point


Quote:
Originally posted by Cypress
Tilapia eat plant matter. They are generally free of envronmental contamination because they prefer plant matter for food. Tilapia are considered a choice fish in countries across the world. Most of what we eat would be considered bland without seasoning.


I've always been amazed at the fervor for shrimp, and to a lesser extent, lobster. Who eats either of them plain?

Whether cooked with plenty of butter and garlic, or dipped in some tomato based sauce, just don't know what the demand would be for this food without the spice.
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[*] posted on 3-9-2011 at 06:05 PM
Yeah, BUT ................


That 25:1 Ratio is Worth it when it produces Rib-Eyes.

OR Even Hamburger.

If Cows have to die- So be it.

And, those delectable steaks WOULD taste great sans seasoning straight off the Grill Black on the edges and still (slightly) Bloody inside.

Of Course, Salt and Pepper along with some REAL Butter doesn't hurt.
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[*] posted on 3-10-2011 at 07:07 AM


By all means Mr. BillM, although I do think subsidizing cattle ranchers in marginal environments, where cattle do real harm, is doubly inefficient---for taxpayers and the flora. But plenty of other good grazing land in the US,heh, think I'll go fire up the grill........
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[*] posted on 3-10-2011 at 09:57 AM


The wild fresh/salt water tilapia are reported to have a better flavor than those raised in fish farms. :D Doubt if there's any danger of them or any other species overrunning the Sea of Cortez. Maybe triggerfish?
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[*] posted on 3-10-2011 at 10:08 AM


Quote:
Originally posted by Cypress
The wild fresh/salt water tilapia are reported to have a better flavor than those raised in fish farms.


I've had saltwater Cat Fish and I thought it far superior to the fresh water type.
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[*] posted on 3-10-2011 at 11:17 AM


Quote:
Originally posted by Don Jorge
Quote:
Originally posted by Mexitron
I do think subsidizing cattle ranchers in marginal environments, where cattle do real harm, is doubly inefficient---for taxpayers and the flora. But plenty of other good grazing land in the US,heh, think I'll go fire up the grill........

Regarding the topic title "Researchers successfully cultivate tilapia in sea water," what a shock. :O Next thing I will read "Researchers successfully cultivate tomatoes in dirt!":lol: Soon though they will be raising tilapia with cold water tolerance spliced in genetically. That will be a game changer.

I know this is off topic, but cattle ranchers, i.e. the cow-calf producers who produce the calf crop which ends up in the feed lot are not subsidized in any way. In fact, the cattle rancher, i.e. cow- calf producer is the hardest working most underpaid segment in the farming world today.

Subsidies, basis payments, federally backed insurance programs, ethanol support prices with tariff protections, CRP programs etc are not for the cattle rancher and in fact the current commodity bubble works against the cattle rancher as competition for pasture leases is intense due to high demand on all farmland to become cropland. Everyone wants to make a bundle now, be a part of the subsidized commodity bubble and boom before it bursts.

Tilapia is here to stay. There is lots of research being done especially in using tilapia in water treatment schemes because it is an efficient converter of carbohydrates to protein. Tilapia is already an important global protein source, albeit imo, a poor choice for those who can afford to choose.

Tilapia is high in fat and so is salmon. But salmon is 1:1 Omega 6 to Omega 3 and tilapia is 11:1. This compares to grain finished beef also being 11:1 Omega 6 to Omega 3 ratio and grass fed and finished beef being 1:1 ratio Omega 6 to Omega 3. We all have heard of the benefits of balanced Omegas in our diets.

I disdain tilapia as a food but it is gaining popularity worldwide and is not going away.

It is both funny and sad that tilapia in the San Ignacio lagoon is regarded by some as a catch and release fishery. WTF, eh?


I stand corrected if true.....however I have read of ranchers on marginal lands in the Nevada/Montana high deserts receiving subsidies...otherwise they couldn't make a living.
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