What are some arguments against eating seafood?!

In terms of evolution, there is no reason why sessile animals like oysters (ie animals which cannot move) would feel pain, as pain evolved to let animals know when they have been wounded, and since they can move they can get away from the source of the pain. If sessile animals can feel pain, then perhaps plants can as well; but there is no evidence to support this.

However, the reasons against eating seafood fall more on the ecological side than the question of how much pain the animals are in. Fishing industries tend to be unsustainable, they create pollution and vast amounts of waste known as "bycatch" which are thrown back into the sea. Many fisheries have been overexploited, such as the anchovy and north sea cod fisheries. Many species are now endangered as a result of fishing eg orange roughy, patagonian toothfish, bluefin tuna etc. Many sharks are very likely to become extinct due to illegal fishing, and the poor health of many marine systems means there is less habitat for them so they are still facing serious threats even if we stop catching them altogether.

The methods of fishing can themselves be harmful, "bottom trawling" destroys the ocean floor as the nets drag across them. "Long lines" catch fishes by dragging massive lines with huge hooks behind fishing boats. Seabirds are attracted to the possible free feed from fishes hooked on the lines, and they themselves become hooked on and drown. This is most common for birds, but mammals like dolphins may also be hooked. "Driftnetting" also catches seals and dolphins accidentally, which will drown if they can't escape from the nets.

Even aquaculture (fish farming) isn't much better, as the fish have to be fed and they are typically fed smaller fishes obtained from fisheries. There are also problems with the wastes produced by farming processes and diseases from farmed fishes have spread to environments through contaminated water and escaped individuals.

Fishing for sport or pleasure presents further ecological problems. In some cases it is sustainable, but invasive fish species have been introduced because they are "good fishing" and these have outcompeted native species in some aquatic systems. Also, anglers often may lose lines and tackle, which can be eaten or hooked into birds and reptiles like turtles.

The end result is that there are many nations who rely on fish for survival because they lack the resources to sustain themselves otherwise. These are typically regions that managed fish stocks sustainably for millennia, but many of these are now overexploited because industrial practices have taken over.

http://www.grida.no/publications/rr/in-d…
http://www.antarctica.gov.au/science/sou…
http://science.jrank.org/pages/2162/Drif…
http://www.mcbi.org/what/what_pdfs/Trawl…

Please consider reading Eating Animals by Jonathan Safran Foer. He has a section in the book on this, and talks about this issue n a very reasonable, factual way....the biggest thing that stuck out to me when reading that section was the huge amounts of unwanted animals are caught per pounds of shrimp...sorry, I forget the statistic, it was crazy though, like for every pound of shrimp caught there are __ pounds of unwanted animals that are caught and they just die and their bodies rot...this includes dolphins, seahorses, sharks...you know, the sea animals that people tend to think matter more than "just" the shrimp or clams.

Truth is, big-company fishing is doing a LOT of damage to the environment.....please reading the book Eating Animals, it can tell you more about this issue than I ever could lol. I don't remember specific facts very well...I mainly remember the feeling/opinion the info causes me to form lol. I just know this issue is serious and jaw dropping just how much the oceans/ecosystem are being affected, and that these facts are available but so many people are unaware.

1. I had a pet fish for almost three years and I cried when he died. It seems weird to me that I would love one fish yet eat another.

2. I am concerned about overfishing, etc. For example, 99% of the Chesapeake Bay's oyster population is gone...yet for some inane reason people continue to eat oysters from that very same bay. It's screwing over the entire ecosystem.

3. I don't know how fish perceive pain. I've always felt like there's more going on there than we realize (fish can definitely experience distress), but I also think it's possible that I project a lot of emotion onto sea creatures.

well if we examine humans we have 5 sense while that of mammals is 4 and aquatic life ranges up to 3 senses. Then there is sensation in the form of breathe blood taste and touch etc.
But plants have only 1 that they breathe and on pulling or cutting some sort of liquid oozes not blood.
As far as what I am aware and read and heard from mystique that is the reason sea life eating is stopped.

Humans, like many other animal species, are omnivorous. Our bodies where made to eat a wide variety of foods so that we obtain proper nutrition. And like other omnivores we have to kill what we eat before we eat it. I do not see anything wrong with that.

G C you're awesome! loved your answer

no arguments there hear for us to eat