Remeber you want more thean one fish in each section. about 3 would work for good data collection. Measure the growth of each fish and avg. it for each section.
Maybe you could show how invasive species can be hybrid wise by starting with a small pure endler colony or a single male and throw in a few fancy guppies and track the offspring mutations over a 3 month period.
Maybe you could show how invasive species can be hybrid wise by starting with a small pure endler colony or a single male and throw in a few fancy guppies and track the offspring mutations over a 3 month period.