DSC01225.JPGBehavior

Crayfish hide with the claws and anntenaes pointing outward. Crayfish use their walking legs to help carry food. Crayfish can curl their fans to help them shoot backward. Crayfish use their mouthparts to taste and smell. Crayfish use it's mouthparts to break up food and put food in its mouth. Crayfish are nocturnal. Crayfish are very alert because their eyes are made of many tiny eyes. Crayfish can grow new eyes if their old ones hurt. Crayfish use their claws to push and lift things. Crayfish's anntennaes have tiny hairs on them that help them taste and smell. When crayfish are "in berry", they make a glue that holds the eggs together. Crayfish use their legs to walking legs to move forward, backward, and sideways. Crayfish are scavengers because they eat dead animals and plants. Crayfish can grow new anntenaes if their old ones hurt. Crayfish breathe by taking oxegen from the water using their gills. Adult crayfish are most active at dusk. Crayfish dig holes in stream banks and in moist soils. Crayfish molt when their exoskeloton becomes too small. After crayfish molt, they eat their old shell. Some crayfish spend their entire lives underground to feed and mate. When crayfish get scared, they could pinch you very hard. During egg incubation, the female protects the eggs by tucking her tail forward and fanning the young. When a female crayfish is in berry she cleans her abdomen. Most female crayfish lay eggs in the spring. Females of some species are inactive during the egg incubation. A female crayfish can lay 20 to over 700 eggs. When a egg is close to hatching the egg color becomes lighter toward hatching.

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Crayfish experiment. by Ego Sum Daniel
Crayfish experiment. by Ego Sum Daniel
crayfish head-on by hullaballoo2
crayfish head-on by hullaballoo2
Crayfish Sentry. by cardhouse
Crayfish Sentry. by cardhouse
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crayfish or crawfish by stormahawk
crayfish or crawfish by stormahawk
Crayfish by Ian D Henden
Crayfish by Ian D Henden
Crayfish - 1st Maxilliped by DeeSnke
Crayfish - 1st Maxilliped by DeeSnke
Orconectes virilis 'Crayfish' by dougwaylett
Orconectes virilis 'Crayfish' by dougwaylett
blue crayfish by Tri Minh
blue crayfish by Tri Minh
Crayfish by .mushi_king
Crayfish by .mushi_king
Crayfish 03 by Tracy and Brian
Crayfish 03 by Tracy and Brian
scared crayfish by sacha.koppert
scared crayfish by sacha.koppert
crayfish from South Sask River by mitzy.boots
crayfish from South Sask River by mitzy.boots

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Blue Florida Crayfish by melepix
Blue Florida Crayfish by melepix
Crayfish experiment. by Ego Sum Daniel
Crayfish experiment. by Ego Sum Daniel
Crayfish by alarichahn
Crayfish by alarichahn
captive crayfish closeup at World Peace Wetland Prairie by Aubunique
captive crayfish closeup at World Peace Wetland Prairie by Aubunique
I am Crayfish!  Fear Me! by Odephoto
I am Crayfish! Fear Me! by Odephoto
Crayfish Closeup by Hiker Man Photography
Crayfish Closeup by Hiker Man Photography
Invasive Crayfish by Transguyjay
Invasive Crayfish by Transguyjay
Crayfish by Tomer Arazy
Crayfish by Tomer Arazy
Rusty Crayfish by J Gilbert
Rusty Crayfish by J Gilbert
Red swamp crayfish (Procambarus clarkii) by Odephoto
Red swamp crayfish (Procambarus clarkii) by Odephoto
Red-swamp crayfish male. by jsteebyphd
Red-swamp crayfish male. by jsteebyphd
Crayfish by wdavidmckenzie
Crayfish by wdavidmckenzie
Crayfish 01 by Tracy and Brian
Crayfish 01 by Tracy and Brian
female Crayfish by Herp.Haven.
female Crayfish by Herp.Haven.