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European Green Crab
Transcript of European Green Crab
Invasion and Habitats
Efforts and how it is so successful
Success in the new habitat
Efforts people are doing
Effects on Human Resources
Led to Invasion and Displaced
Native Habitat & Invaded Parts
Green Crabs Looks
Green Crabs Adaptions and Niche
The Green Crab is not always green. It could be red or orange. It is carcinus maenas. The top of the shell is changed from dark brown to dark green with yellow patches. The bottom may be orange or red during the molting. It has five spines on each side of the front of the shell and three bumps between the eyes.
The Green Crab is native to the shores of the eastern Atlantic, the North Sea and the eastern Baltic. The habitat could include mud, sand, rock,cordgrass, marshes or eelgrass beds. The Green Crab had invaded San Francisco Bay and parts of Washington.
The Green Crab had been stuck to the via ships from the 1800's and had been traveling the world. The Green Crab had displaced many other native crabs.
The Green Crab effects many fisheries and aquaculture. Also it has effected marine and estuarine eco-systems. Some people are thinkingof eating the Green Crab. This idea was thought in San Francisco, but not in Washington.
The Green Crab is a highly adaptable invading species. The adaptions help it because the body parts give different types of support to get use to the surroundings.
When, they noticed they took immediate action.They quickly began to monitor and control the areas that were effected. The government had given a large fund for monitoring and controlling the areas.
Did you know that the Green Crab was ranked in the 100 alien invaders. The Green Crab is a small shore crab. It first entered U.S. in the mid 1800's. A female Green Crab lays about 185,000 eggs.
The Green Crab falls into the animal kingdom and it falls into the species, maenas. The Green Crabs diet includes oysters, clams, mussels, marine worms and small crustaceans. The Green Crab have very huge shells to prevent drying, for extra protection from predators and for camouflage. They have enormous claws to help fight predators and their prey. There are nine pairs of gills to get oxygen. Also there are six mouth parts to help it eat.