CRUSTACEANS
Invertebrate

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                ON LAND:
                    Crabs
                    Woodlice

IN THE OCEAN
Crabs
   Crayfish
     Barnacles

Lobsters
Shrimps
Water Fleas

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*   A lobster's bladder is in its head
*   A lobster hears with their legs
*   A lobster's brain is in its throat
*   Lobsters' blood is colourless, but it is exposed to oxygen, it turns blue
*   The pistol shrimp uses jets of water to generate a sonic boom as loud as Concorde's
*   A shrimp has 55 pairs of legs
*   Crayfish have sensory hairs used to detect movement
*   In the depths of Antarctica, there are giant royal crabs, whose leg range reaches more
     than One metre
*   Periwinkles are used to cure Leukaemia
*   Clams can live for more than 400 years 
*   Hermit crabs form gangs to steel shells from other hermit crabs
​*   A crayfish can grow new brain cells from its blood cells

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IDIOMS, METAPHORS AND EXPRESSIONS

1. To catch a crab
   

HERMIT CRAB

COLLECTIVE NOUNS

Crabs

1. A cast of crabs
   
2. A consortium of crabs
   

Lobsters

1. A risk of lobsters

Shrimps

1. A troupe of shrimps

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MARINE CRUSTACEANS

SNOW CRAB

SPIDER CRAB

CRAYFISH

WATER FLEA AND BABY

CLEANER SHRIMP

BARNACLE

LOBSTER

GIANT ROYAL CRAB

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TERRESTRIAL CRUSTACEANS

LAND CRAB

LAND CRAB

WOODLOUSE

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