10-26 crayfish dissection- Phylum Arthropoda Subphylum Mandibulata Class Crustacea

Rudder



Carapace



Rostrum



Second swimmeret... can't seem to locate the first swimmeret



Gill cover



Anus and telson



Gills



Telson



Mandibular muscles (stuck on the shell of each side)
also visible are stomach, liver and gonads (bright yellow).



Heart



Gonads



Green Gland (two of them)


Esophagus


uhhh...looks like heart



nerve cord and stuff...

Remember, the crayfish dissection is Phylum Arthropoda, Subphylum Mandibulata, Class Crustacea