Monthly Archives: April 2012


78 9 10


While we’re being microbiologists, lets also explore the zooplankton. These are radiolarians, they are, if possible, even more intricate and beautiful than diatoms due to to their mineral based skeleton. The feeding manner is quite interesting: Using extensions in their skeleton known as pseudopods, they slowly ingest prey such as diatoms or other small plankton. In some cases however, they have been found to be attached and slowly digesting zooplankton sometimes 1000x larger than themselves (which still isn’t that large, as radiolarians only grow to a max of 300 microns, but still an impressive feat nonetheless)


Hello, I’m an FFA student in my Vet Science class my teacher mentioned aquaculture as being an official topic in the FFA. A couple of friends and I would really like to have an aquaculture project, we’re very responsible and would do all the research, but we’re wondering what the costs may be and what kind of work we would have to expect. We are really interested in raising sharks (3-6), either Guitar fish or Brown Smoothhounds, is this possible? Sorry I can’t explain more of it in an ask.


I’m not sure anyones ever tried to do an aquaculture project with sharks before, and it would be quite interesting to see, but also very difficult. One problem i can see is im not entirely sure if your professors/FFA would consider this aquaculture in the first place: aquaculture generally refers to a larger scale of production and raising 3-6 sharks is more like something an aquarist might do.

That’s not to say it can’t be done though, however it would probably be very expensive: depending on wether you can actually get eggs for these sharks in the first place, getting them to hatch isn’t the easiest thing in the world, and the gestation period is between 9-12 months. You’d also need quite a large tank to raise any type of shark and in some cases they will only eat live feed, which is also very expensive to keep up.

If you’re looking to do an aquaculture project raising crustaceans such as crabs or shrimps is very cheap (however time consuming, it could take up to two years to have a fully grown culture). Zooplankton/algae work very well as well & i know that salmon larvae would probably work quite well , and isn’t all too expensive.

I hope that helped, if you have more details about what you actually want to do i’d be glad to help out.