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Underwater cables stop crabs in their tracks
Brown crabs can’t resist the electromagnetic pull of underwater power cables and it’s changing their behaviour, marine scientists say. The team behind a new study says the power cables linked to offshore renewable energy devices affect how crabs interact with the environment.
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Crabs feel pain
Plunge a live crab into a pot of boiling water, and it’s likely to try to scramble out. Is the crab’s behavior simply a reflex, or is it a sign of pain? Many scientists doubt that any invertebrate (or fish) feels pain because they lack the areas in the brain associated with human pain.
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Near Fish Farms, Lobster Catches Plummet
Lobster fishers catch fewer market-sized lobsters, and see fewer fertile females, in areas close to fish farms in Nova Scotia, according to new research led by Inka Milewski, a research associate at Dalhousie University in Halifax. Lobster fishers working in Port Mouton Bay, Nova Scotia, keep detailed records of when and where they fish and how many lobsters they catch.
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Mutant, all-female crayfish spreading rapidly through Europe can clone itself
A voracious pest that mutated in a German aquarium and is marching around the world without the need for sexual reproduction may sound like science fiction, but a genetic study has revealed that a rapidly spreading all-female army of crayfish is descended from a single female and reproduces without any males.
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Maine Is Drowning in Lobsters
The market is booming, but it's not making anybody rich. By Justin Fox.
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