Jenny A male crab is called a Buck Did you know Crabs have blue blood Worms have green blood and Starfish have clear blood Callinectes sapidus The Blue Crab Savory Beautiful Swimmers ID: 758247
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Slide1
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.Slide2
Callinectes
sapidus:The Blue CrabSavory Beautiful SwimmersSlide3Slide4Slide5
The Blue Crab
Member of the CrustaceaExoskeleton of ChitinScavenger with parts for cutting, shredding, mashingStalked eyes10 appendages, last pair called swimmeretsCarapace-shellCheliped- clawed feetSlide6
Blue Crabs Eating
Video of Blue Crab eating ClamSlide7
Lifecycle
Mostly bottom dwellersfollowing mating the female migrates to high salinity waterseggs released into the water columnSlide8Slide9
Lifecycle Continued
Mature eggs are shed into the water column Eggs hatch into zoeaZoea undergo a molt and enter the megalops stageMegalops larvae will molt to become small crabsSlide10Slide11
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.Slide12
Mud Crabs
Natural
predators of mud crabs include
sharks
, crocodiles, turtles,
rays
, large fish such as
rock
cods
.
Mud
crabs live for up to 3 years.Slide13
Crab Food Web