'Hide or get eaten,' urine chemicals tell mud crabs

Psssst, mud crabs, time to hide because blue crabs are coming to eat you! That's the warning the prey get from the predators' urine when it spikes with high concentrations of two chemicals, which researchers have identified ...

Italy's clam farmers fear blue crab 'invasion'

In the shallow waters of the Scardovari lagoon, fishermen catch clams for Italy's beloved spaghetti alle vongole, alongside mussels and oysters. But an invader risks putting them out of business.

Lifestyle of a killer

Parasitic dinoflagellates of the genus Hematodinium are a big problem for crab, prawn and shrimp fisheries across the world. New research published in BioMed Central's open access journal Aquatic Biosystems has found that, ...

Dominican border wall threatens environment, mangroves

The anti-migrant wall being built in the northwest of the Dominican Republic crisscrosses a thick mangrove forest and threatens the ecosystem by depriving it of water, environmental groups warn.

Crabs put the pinch on marshlands

If you take a quick glance at the marsh next to Saquatucket Harbor in Harwich Port, Mass., you will notice right away that some of the grass is missing. The cordgrass there, and all around Cape Cod, has been slowly disappearing ...

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