You'll never run out of bait fishing for perch, as the eyes and belly-meat-with-skin are two of the best perch baits ever.
fishman254, it is illegal use parts of fish for bait, check page 9 of the freshwater fishing regulations.
http://www.env.gov.bc.ca/fw/fish/regulations/ "Fin fish...means all fish other than
crustaceans, echinoderms, molluscs,
shellfish and marine mammals.
The
use of fin fish (dead or alive) or parts
of fin fish other than roe is prohibited
throughout the province, with the
following exception:
You may use the
head of fin fish or the headless body of fin
fish as bait,
only
:
(a) when sport fishing for sturgeon in Fraser
River (Region 2 only), or
(b) when set lining in lakes of Region 6 or in
lakes of Zone A of Region 7."