if crab fishing is so dangerous (think Deadliest Catch) why aren’t there crab farms like we have with fish?
My partner fishes lobster in the Atlantic in the winter. He says that Deadliest Catch is a pretty accurate representation of life on the boat out to sea… most of the time. They take great liberties with amping up the perceived risk because it really is boring.
The type of boat used around here has basically no back railing. Just open to the ocean so the traps slide right off when setting them. Fancy boats have a back that can go up and down. It freaks the fuck out of me that it is just wide open to the ocean. Like have the tail gate down on the back of a truck. Safety is very important. Number one way someone goes overbaord is not watching their feet and where the rope is. Rope catches your foot, you fall down, and it just drags you off the back.
Less than one person a season falls off the boat this way.
Crabs are territorial assholes who will kill each other. The ones in the tanks at restaurants have their claws wrapped so they can’t kill each other, but they also can’t eat with their claws wrapped. There wouldn’t be a good way to feed crabs at scale on a crab farm like you could a fish.
Crabs are cannibalistic, and territorial. If we did have a crab farm it would pretty much have to be as big as the area we’re already fishing for them in.
Edit: Weird that one of my most voted comments is about crabs being dicks. I’m not a professional crabber, though my uncle was a crab fisherman for a few seasons.
Couple things, we could cage crabs, but we would need to find a way to let them feed, mate and burrow. Crabs also need vastly different environments as they grow from larvae to full grown crabs, they’re migratory, so it would be very expensive to have a large farm that provides their needs.
There are crab farms, for certain crabs, they don’t produce nearly enough to make fishing obsolete. King Crabs, Dungeness crabs and snow crabs aren’t so friendly.
In a farm setting lobsters and crab eat each other. To successfully farm them you would need to separate them, which is expensive.