সন্ন্যাসী কাঁকড়া_HERMIT CRAB

                                        HERMIT  CRAB 

HERMIT  CRABS ARE   DECAPOD  CRUSTACEANS OF THE  SUPERFAMILY PAGUROIDEA. 

FIG.-HERMIT CRAB

FOUND IN  OCEAN WATER WORLDWIDE.  HERMIT CRAB IS NOT A TRUE CRAB.

THERE ARE 500 DIFFERENT SPECIES OF HERMIT CRAB. ALTHOUGH HERMIT CRABS DO VENTURE IN DEEPER WATER BUT  COMMONLY FOUND IN COASTAL WATER REGION WHERE FOOD IS ACCESABLE & PLACE OF HIDE IS MORE.

THE HERMIT CRAB HAS A SOFT UNDER-BODY WHICH IT PROTECTS BY CARRYING A SHELL ON ITS BACK. THE SHELL OF THE HERMIT CRAB IS NOT ITS OWN, BUT ONE THAT BELONGED TO ANOTHER ANIMAL. AS HERMIT CRABS GROW, THEY CONTINUE TO FIND LARGER SHELLS TO ACCOMODATE THEIR INCREASING SIZE.

HERMIT CRABS ARE OMNIVOROUS ANIMALS THAT EAT PRETTY MUCH ANYTHING THEY CAN FIND IN THE SURROUNDING WATER. SMALL FISH AND INVERTEBRATES INCLUDING WORMS, ARE THE MOST COMMON PREY FOR THE HERMIT CRAB ALONG WITH PLANKTON AND OTHER FOOD PARTICLES IN THE WATER.

 

DUE TO THEIR SMALL SIZE, HERMIT CRABS HAVE NUMEROUS NATURAL PREDATORS ALL AROUND THE WORLD, WHICH INCLUDES SHARKS, FISH, CUTTLEFISH, SQUID AND OCTOPUSES. IT IS THOUGHT THAT HERMIT CRABS OFTEN HIDE AMONGST OTHER ANIMALS SUCH AS SEA ANEMONES AS A FORM OF NATURAL PROTECTION.

 

AFTER MATING, THE FEMALE HERMIT CRAB CARRIES LARGE NUMBERS OF EGGS IN A MASS THAT IS ATTACHED TO HER ABDOMEN. THE HERMIT CRAB LARVAE HATCH INTO THE OPEN OCEAN IN JUST A FEW WEEKS, WHERE THEY QUICKLY MOULT EXPOSING THE ADULT HERMIT CRAB BODY UNDERNEATH.

FIG.- MOVING TRAIL OF HERMIT CRAB

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