Canadian scientists have conducted studies and found that shore crabs, also called green, is able to eat the gills. According to experts, the animals have adapted to the changing composition of the water, and can filter harmful substances and salt.
Researchers have caught on the Pacific coast in Canada and nine of the crabs, which were further scrutinized. Scientists discovered that the bandwidth of the anterior and posterior pairs of gills is different, and bodies are divided by functions for the air filters and ion exchange.
According to experts, with the help of gills of shore crabs can not only filter the received minerals, but also to regulate the amount of the absorbed substances. It can be concluded that these marine animals can feed on gills and adapt to the change in the amount of salts in the water entering the body.