Crayfish (with labels)

Decapoda (Crustacea) -- physiology

Crayfish

Dissection

Ten photographs of crayfish in various stages of dissection, with various body parts labeled.

Image 1: Crayfish - Dorsal View
- antenna
- antennule
- rostrum
- eye
- cervical groove
- carapace
- uropod
- telson
- abdomen
- legs 2-5
- chelipod

Image 2: Crayfish - Ventral View (Male)
- antenna
- antennule
- eye
- 3rd maxilliped
- mandible
- wlaking legs 2-5
- sternum
- anus
- telson
- uropod
- swimmerets 1-5
- opening of green gland
- cheliped ('leg' 1)

Image 3: Side View
- antenna
- antennle
- rostrum
- cephalothorax
- abdominal somites 2-6
- telson
- uropod
- swimmerets
- walking legs
- cervical groove
- eye
- cheliped

Image 4: Crayfish - Cheliped (1st 'eg', Claw = Chela)
- dactylopodite
- propodite
- carpopodite

Image 5: Crayfish - Mouth Appendages
- opening of green gland
- eye
- 3rd maxilliped
- 1st maxilliped
- 2nd maxilliped
- mandible
- antenna

Image 6: Crayfish - 2nd Walking Leg (Close Up)

Image 7: Crayfish - Ventral Abdomen (Female)
- uropod
- telson
- anus
- swimmerets

Image 8: Crayfish - Internal Features
- cardiac stomach
- digestive gland (liver)
- midgut
- flexor muscles
- ventral nerve cord
- green gland

Image 9: Crayfish - Internal Features (Dorsal View)
- anterior gastric muscle
- mandibular muscle
- digestive gland
- gills
- pyloric muscle
- green gland

Image 10: Crayfish - Mouth Appendages
- left side 1st and 2nd maxilla
- mandible
- 1st-3rd maxilliped

Biological Sciences

State University of New York at Buffalo

10/4/2005

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BIO-001