SHANGHAI, China / Shanghai Daily / Foreign Perspectives / Opinion / September 15, 2010
By Peter Singer
We would pass people fishing, perhaps reeling in their lines with struggling fish hooked at the end of them.
Once I saw a man take a small fish out of a bucket and impale it, still wriggling, on an empty hook to use as bait.
Illustration by Zhou Tao
Another time, when our path took us by a tranquil stream, I saw a man sitting and watching his line, seemingly at peace with the world, while next to him, fish he had already caught were flapping helplessly and gasping in the air.
My father told me that he could not understand how anyone could enjoy an afternoon spent taking fish out of the water and letting them die slowly.
These childhood memories flooded back when I read Worse Things Happen at sea: The Welfare of Wild-caught Fish, a breakthrough report released last month on fishcount.org.uk.
In most of the world, it is accepted that if animals are to be killed for food, they should be killed without suffering.
Not for fish. There is no humane slaughter requirement for wild fish caught and killed at sea, nor, in most places, for farmed fish.
Fish caught in nets by trawlers are dumped on board the ship and allowed to suffocate. Peter Singer with pig
Impaling live bait on hooks is a common commercial practice: long-line fishing, for example, uses hundreds or even thousands of hooks on a single line that may be 50-100 kilometers long. When fish take the bait, they are likely to remain caught for many hours before the line is hauled in.
The most startling revelation in the report, however, is the staggering number of fish on which humans inflict these deaths.
By using the reported tonnages of the various species of fish caught, and dividing by the estimated average weight for each species, Alison Mood, the report's author, has put together what may well be the first-ever systematic estimate of the size of the annual global capture of wild fish. It is, she calculates, in the order of one trillion, although it could be as high as 2.7 trillion.
To put this in perspective, the United Nations Food and Agriculture Organization estimates that 60 billion animals are killed each year for human consumption - the equivalent of about nine animals for each human being on the planet. If we take Mood's lower estimate of one trillion, the comparable figure for fish is 150. This does not include billions of fish caught illegally nor unwanted fish accidentally caught and discarded, nor does it count fish impaled on hooks as bait.
Many of these fish are consumed indirectly - ground up and fed to factory-farmed chicken or fish. A typical salmon farm churns through 3-4 kilograms of wild fish for every kilogram of salmon that it produces.
Let's assume that all this fishing is sustainable, though of course it is not. It would then be reassuring to believe that killing on such a vast scale does not matter, because fish do not feel pain.
But the nervous systems of fish are sufficiently similar to those of birds and mammals to suggest that they do.
Victoria Braithwaite, a professor of fisheries and biology at Pennsylvania State University, has probably spent more time investigating this issue than any other scientist. Her recent book "Do Fish Feel Pain?" shows that fish are not only capable of feeling pain, but also are a lot smarter than most people believe.
Why are fish the forgotten victims on our plate? Is it because they cannot give voice to their pain?
Peter Singer, author, is professor of bioethics at Princeton University.
Shanghai Daily condensed the article.
Copyright: Project Syndicate, 2010.