This publication describes how to use the Agilent Fish Species Identification System to identify the species of a fish by extracting DNA and performing PCR and RFLP analysis.
Formosa, R., Ravi, H., Happe, S., Huffman, D., Novoradovskaya, N., Kincaid, R., Garrett, S. DNA-based Fish Species Identification Protocol. J. Vis. Exp. (38), e1871, doi:10.3791/1871 (2010).