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Citizen Scientist, Mr Tang Hung Bun, records the fish in our natural swimming pond to check their health. He feeds them a little food (the only external food they get) and then records footage of how they react (Permaculture Principle 1: Observe & Interact). You can see how lively they are, this means that they are healthy.
Here you can see:
- Tin Foil Barb (the larger fish) – this is a native edible freshwater fish that will become big enough to serve a family
- Harlequin Rasboras (with the triangle) – who love to eat insects that drop into the water
- Zebra Danio (lots of black and white stripes) – who love to surf currents and explore shallow areas and clean them of things like mosquito larvae
We also have Siamese Cleaning Fish that clean algae off the sides of the pool, Guppies that eat their own body weight in mosquito larvae, Ghost Shrimp and Red Cherry Shrimp that clean debris from the bottom of the pool, and even Snails that clean algae from the underwater plants.
There are other fish in there too, all with a specific purpose in the natural swimming pool ecosystem – can you spot them?