Slashdot Mirror


Completely Farm-Bred Unagi, a World First

JoshuaInNippon writes "Japanese scientists at the National Research Institute of Aquaculture, Fisheries Research Agency have reported that they successfully completed an artificial cultivation cycle for unagi, or eel — a world first. Unagi is a traditional delicacy in Japan, and can commonly be found in baked form at sushi restaurants. The fish has long been caught either matured, or still young and then fattened on farms. Sadly, as a result, natural stocks of unagi have plummeted in recent years. However, the research news indicates a future method to completely farm breed the tasty creature in mass quantity. Good news for sushi lovers, Japanese businesses, and wild eel alike."

30 of 204 comments (clear)

  1. Maybe, maybe not by Anonymous Coward · · Score: 5, Interesting

    Good news for sushi-lovers, Japanese businesses, and wild eel alike.

    In the US Pacific Northwest, it has been found that farm raising salmon significantly hurt the wild populations.
    Some of those farmed fish can escape affect the gene pool!

    1. Re:Maybe, maybe not by ushering05401 · · Score: 5, Informative

      The AC is probably referring to the infections that the farmed salmon have transmitted to nearby wild populations. I don't know if transmission is via escape or simple proximity, but there has been some noise about the issue.

      Just like with the meat industrial complex animals, the farmed salmon require high doses of meds because of the unnatural and crowded living environment, and this has resulted in some aggressive infections for which the wild population is unprepared.

    2. Re:Maybe, maybe not by NoMaster · · Score: 5, Informative

      Or the genetic impacts on wild salmon (naturally selected for overall fitness) of interbreeding with escaped farmed salmon (human selected for fast growth rates). It's actually a fairly nasty problem for wild stocks, and is being extensively researched.

      --
      What part of "a well regulated militia" do you not understand?
    3. Re:Maybe, maybe not by Joe+Snipe · · Score: 2, Funny

      Just like with the human population, the urban dwellers require high doses of meds because of the unnatural and crowded living environment, and this has resulted in some aggressive infections [].

      TFTFY

      --
      Sometimes, life itself is sarcasm...
  2. Re:Total awareness? by Anonymous Coward · · Score: 2, Funny

    Ah, salmon skin roll!

  3. Re:Total awareness? by schon · · Score: 3, Funny

    Shhh.. you're not supposed to make "Friends" references on /. (unless it's to say how lame the show was.) Someone might ask you to turn in your Geek card.

  4. Re:Dirty Jobs by Anonymous Coward · · Score: 2, Informative

    That was probably the slime eel/hagfish episode.

  5. right by Ralph+Spoilsport · · Score: 3, Interesting
    And what will these eel eat? Oh, that's right - fish. Which have to be caught and then fed to the eels...

    Salmon farm fishing is a disaster. Shrimp are not much better. I don't know how the tilapia production is fairing. Tilapia are not predators like salmon, so I imagine it might be better, but I have no idea.

    Answer: stop eating fish. Sorry.

    --
    Shoes for Industry. Shoes for the Dead.
    1. Re:right by interkin3tic · · Score: 2, Funny

      Answer: stop eating fish. Sorry.

      Because cows and pigs are any better than farmed fish?

      If this is just another vegan scheme to convert us all, I swear I'll, uh, well, enjoy some bacon and make fun of you while doing it...? I got nothing.

    2. Re:right by apoc.famine · · Score: 5, Funny

      I'm betting your right

      My right, damn straight MOTHERFUCKER. Don't you DARE FUCK WITH MY RIGHT!!!!!!


      Oh, you meant "you're right"...not possessive... Carry on....

      --
      Velociraptor = Distiraptor / Timeraptor
    3. Re:right by apoc.famine · · Score: 5, Interesting

      Which is why they taste like water....

      Seriously, I know that tilapia are "environmentally friendly". However, they taste like shit. Give me pretty much any other fish, and I'll be happy. Tilapia are the shittiest fish you can get.

      This kills me, because I'd like to be environmentally friendly, but when given the choice of "tastes like water, and falls apart", and is fucking amazing I'm hard pressed to want to choose tilapia. I want to be good, but tilapia makes me hate fish, more than any other fish. It's so sad that the good-for-the-environment-fish taste like crap.

      --
      Velociraptor = Distiraptor / Timeraptor
    4. Re:right by an+unsound+mind · · Score: 2, Interesting

      Except you use far more land growing the feed for the animals than growing the vegetables to replace the meat in a human diet.

      Vegetarian diet requires a lot of knowledge of nutrition to make work, but it is far more energy-efficient. Those animals don't subsist on air.

      Meat, however, tastes good.

    5. Re:right by ljw1004 · · Score: 3, Insightful

      Fish farming isn't a disaster at all.

      Sure, the fish have higher levels of stress and disease. But that doesn't matter since we're going to eat them anyway and we won't catch their diseases.

      Sure, the fish live at higher densities than seen in the wild. So what? Doesn't affect their taste.

      Sure, the fish have higher levels of lice. That's a problem if they infect wild populations. So that's adequately and properly solved with a greater distance between the two.

      Sure, the fish are sometimes fed too many antibiotics. Solution? feed them less! It's just an equation between antibiotics and profitability. It'd be fine to pay a bit more in exchange for a bit less antibiotic use.

      Sure, the fish cause pollution from their feces etc. But that's no problem in places of high current.

      I love fish, and almost all the dishes I cook with them the taste difference between wild and farmed is minimal. And even though the farmed and quite as healthy for you as the wild, they're still pretty darned healthy.

    6. Re:right by TheLink · · Score: 2, Interesting

      > Vegetarian diet requires a lot of knowledge of nutrition to make work, but it is far more energy-efficient. Those animals don't subsist on air.

      But not all land is good for growing plants that humans can eat and thrive on.

      > Meat, however, tastes good.

      And a diet that includes fish is scientifically proven to be good for you.

      Humans aren't that great at converting ALA to DHA. You can't easily get those healthy long chained omega acids from a vegetarian diet, without supplements.

      --
    7. Re:right by drsquare · · Score: 2, Informative

      I'm betting your right. vegans always ignore the fact the food chain naturally includes meat eaters, and that meat has 10x the energy of veg meaning you'd have to clear a lot more land to feed the world just on veg.

      Actually meat requires more land. For a start, you need to grow the food to feed to the animals. They're cutting down rainforests just to meet demand for beef.

    8. Re:right by NoMaster · · Score: 2, Interesting

      And my point is that while wild-caught or naturally-occurring *anything* might be better for you, and sticking to foods that aren't intensively farmed is a fair enough personal choice to make, there's no way in hell a world without highly developed agriculture or aquaculture can support even the current 6.5 billion+ people.

      On top of that, I'd be wary of any claims that certain fisheries are 'sustainable' - even with the current state of ecological modelling, there's a dire lack of knowledge and understanding of the totality of factors and processes that drive fish abundance. You've just got to Google 'fisheries collapse' to see all the examples of what were thought to be 'sustainable' fishing practices that turned out wrong - sardines, pilchards, salmon, Atlantic Cod, etc, etc, etc, not to mention the cascade effect on other species that depended upon them. The Beverton-Holt model isn't all it's cracked up to be, and it's certainly not an accurate model of even a single fishery's ecosystem...

      Oh, and while you're Googling, you might want to check how your belief about the Japanese being "the ones who do all the illegal fishing in international waters crap" stand up to scrutiny. You'd be surprised...

      --
      What part of "a well regulated militia" do you not understand?
  6. Re:Total awareness? by Scutter · · Score: 2, Funny

    Shhh.. you're not supposed to make "Friends" references on /. (unless it's to say how lame the show was.) Someone might ask you to turn in your Geek card.

    You and I both have SlashID's in the low five digits. We can pretty much get away with anything without losing geek cred.

    --

    "Tell me doctor, with all of your defenses, are there any provisions for an attack by killer bees?"
  7. Re:japanese will eat anything i swear. by Like2Byte · · Score: 4, Funny

    But hey, we eat haggis, lutefisk, scrapple, prarie oyster, head cheese, rotting cheese. We're up there.

    What's this we shit? You got a mouse in your pocket?

    I've been to Scotland - I took one look at haggis and I suddenly didn't feel so international anymore.

  8. Re:Total awareness? by schon · · Score: 5, Funny

    We can pretty much get away with anything without losing geek cred.

    Jacob or Edward?

    And why?
     
    /me ducks

  9. Bottomfeeder by Anonymous Coward · · Score: 2, Informative

    Answer: stop eating fish. Sorry.

    Partly, but not completely. I highly recommend the book "Bottomfeeder" that covers this topic quite well:

    http://www.tarasgrescoe.com/excerpt.html

    The author recommends the following kinds if you want to eat sustainably:

    • Artic char; barramundi
    • Halibut, Pacific
    • Herring
    • Jellyfish (often used in salads and appetizers in restaurants)
    • Mackerel
    • Mullet
    • Oysters, mussels
    • Pickerel
    • Pollock (usually found in fish sticks and fast-food sandwiches)
    • Sablefish
    • Sardines
    • Squid (aka, calamari)
    • Trout
    • Whiting, blue

    There are also many ones that he recommends with provisos (e.g., shrimp, when farmed, are often treated with chemicals and shrimp farms are seriously messing many of the world's poorest countries (e.g., Thailand); farmed shrimp from Mexico though are actually one of the most responsibly produced).

    In general though a lot of the fish stocks are close to collapse in many parts of the world.

    Highly recommend you check out the book, and at only ~300 pages, it's quick, informative read.

    1. Re:Bottomfeeder by uncqual · · Score: 2, Funny

      • Mullet

      Should you eat the attached redneck also? Yuck.

      --
      Why is there an "insightful" mod and why isn't it "-1"? If I wanted insight, I wouldn't be reading /.
  10. Re:Unagi or Anago? by rworne · · Score: 3, Interesting

    Funny you mention that.

    Unagi is horribly expensive ($18/US per package) if you want the Japanese-sourced unagi. The Chinese unagi is much cheaper ($4-5/US per package), but there have been problems with the chemicals, antibiotics, and other crap they feed them.

    Anago is readily available here in Los Angeles at a moderate price, but unagi kabayaki is definitely where its at.

    --
    I tried every decent and legal way I could think of to resolve the issue w/the business before I rented the chicken suit
  11. Re:japanese will eat anything i swear. by Cadallin · · Score: 3, Insightful
    Which has what to do with eel? Eel is fucking delicious. Its not even "weird." Its just a long thin fish fillet.

    For what its worth, Eel consumption is also rather common in any area of Europe where Eel happens to be found, its not at all some "crazy" unique Japanese thing.

  12. Re:Total awareness? by Blakey+Rat · · Score: 2, Insightful

    What's worse? Making the Friends reference? Or being the one other guy (apparently) who recognizes that it's a Friends reference?

  13. Sushi, sure, but more importantly, cookies! by Shag · · Score: 2, Interesting

    Unagi is a key ingredient in Unagi Pai, which I think is the yummiest cookie made with ground-up eel bones in the whole world. :)

    --
    Village idiot in some extremely smart villages.
  14. The Japanese Ministry of Agriculture ... by DriedClexler · · Score: 5, Funny

    So is *this* finally an example of something the Japanese Ministry of Agriculture is in charge of? Because I know we ruled out their authority with respect to Gundum.

    --
    Information theory is life. The rest is just the KL divergence.
    1. Re:The Japanese Ministry of Agriculture ... by cerberusss · · Score: 3, Informative

      Parent refers to the following 2007 news story: http://news.bbc.co.uk/2/hi/asia-pacific/7029685.stm. Quote from the article:

      Japan's Agriculture Ministry has reprimanded six civil servants who spent hours at work editing articles on Wikipedia - mainly about robots. [...] "The Agriculture Ministry is not in charge of Gundam," ministry official Tsutomu Shimomura told the Associated Press news agency.

      --
      8 of 13 people found this answer helpful. Did you?
  15. Re:japanese will eat anything i swear. by Cheerio+Boy · · Score: 2, Funny

    There is nothing in Haggis that can't be found in a Big Mac.

    A better argument for not eating McDonald's fast food I've never heard. :-)

    --

    "Bah!" - Dogbert
  16. Re:japanese will eat anything i swear. by TheLink · · Score: 2, Interesting

    > Just don't think about what it's made of and you'll be fine.

    I dunno, just looking at the haggis recipe makes me want to try it - looks tasty to me...

    I suspect that in my country (Malaysia), they often have to import MSM and similar stuff to make nuggets, sausages etc - because over here stuff like liver, gizzards, lungs, stomach etc can just be packed just the way beef cuts and chicken wings are, and sold at supermarkets. People actually buy that stuff "as is". No need for disguise...

    A fair number of people here know the difference in taste and textures of cooked liver, heart, lungs, pancreas, stomach (apparently there are different "kitchen" names for the different stomachs too ) etc.

    --
  17. Re:There are *VAST* wild Unagi stocks! by An+Ominous+Cow+Erred · · Score: 3, Interesting

    Actually I should clarify, because I wasn't being quite honest or accurate in my previous post. The invasive species in the South East U.S. is a different species than the eels in question in the article. The pest fish that escaped the farms is the Asian Swamp Eel. While it is often sold as "unagi" and is somewhat analogous in flavor, the specific eel in question is the Japanese Eel, which does not live in the Western Hemisphere. The Asian Swamp Eel is actually from a different taxonomic order.

    The closest analog in the Western Hemisphere is the American Eel, which is also endangered, partly due to the invasion of the Asian Swamp Eel.

    That said, the Asian Swamp Eel works perfectly fine in similar roles, and is quite tasty. Unfortunately you can't really call it "unagi" in a respectable Japanese fish market, even if it's called that when sold in many fish markets outside of Japan.