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Did you know? A female crab is called a Jenny. A male crab is called a Buck. Did you know? Crabs have blue blood, Worms have green blood, and Starfish.

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Presentation on theme: "Did you know? A female crab is called a Jenny. A male crab is called a Buck. Did you know? Crabs have blue blood, Worms have green blood, and Starfish."— Presentation transcript:

1 Did you know? A female crab is called a Jenny. A male crab is called a Buck. Did you know? Crabs have blue blood, Worms have green blood, and Starfish have clear blood.

2 Callinectes sapidus: The Blue Crab Savory Beautiful Swimmers

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5 The Blue Crab Member of the Crustacea –Exoskeleton of Chitin Scavenger with parts for cutting, shredding, mashing Stalked eyes 10 appendages, last pair called swimmerets Carapace-shell Cheliped- clawed feet

6 Blue Crabs Eating Video of Blue Crab eating Clam Video of Blue Crab eating Clam

7 Lifecycle Mostly bottom dwellers following mating the female migrates to high salinity waters eggs released into the water column

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9 Lifecycle Continued Mature eggs are shed into the water column Eggs hatch into zoea Zoea undergo a molt and enter the megalops stage Megalops larvae will molt to become small crabs

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11 Mud Crabs Mudcrabs inhabit sheltered estuaries, the tidal reaches of some rivers, mud flats and mangrove forests. These crabs favor a soft, muddy bottom, often below low tide level. Officially, Mud Crabs are 'omnivorous' scavengers. But they're also cannibalistic, eating other crabs as well as barnacles, bivalves and dead fish.

12 Mud Crabs Natural predators of mud crabs include sharks, crocodiles, turtles, rays, large fish such as rock cods.sharksraysrock cods Mud crabs live for up to 3 years.

13 Crab Food Web


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