In their search for food, these crabs must leap from rock to rock, dodging the predators that lie in wait.
Sally Lightfoot crabs are brightly-coloured coastal scavengers, found in the Galapagos Islands and across the western coast of South and Central America.
This specialist hunter knows just how dangerous their prey can be. To solve this problem, they hypnotise crabs by changing the colour of their skin.
Cuttlefish or cuttles are marine molluscs of the order Sepiida. They belong to the class Cephalopoda, which also includes squid, octopuses, and nautiluses. Cuttlefish have a unique internal shell, the cuttlebone, which is used for control of buoyancy.
A captivating #crustacean and a ferocious #predator: in this edition we discover a #transatlantic invader that’s taking no prisoners in its quest for domination. Safe from its natural predators on the Atlantic coast of #NorthAmerica, the blue crab devours everything in its path, dealing a painful blow to an already fragile #ecosystem.
The Christmas Island red crab is of land crab that is endemic to Christmas Island and Cocos (Keeling) Islands in the Indian Ocean. Although restricted to a relatively small area, an estimated 43.7 million adult red crabs once lived on Christmas Island alone,[3] but the accidental introduction of the yellow crazy ant is believed to have killed about 10–15 million of these in recent years.[4] Christmas Island red crabs make an annual mass migration to the sea to lay their eggs in the ocean.[5] Although its population is under great assault by the ants,[6] as of 2020 the red crab had not been assessed by the International Union for Conservation of Nature (IUCN) and it was not listed on their Red List.
Boomers Daily 