I’ve heard ghost and brine shrimp and neon tetras so far.
To an aquarium, I mean.
I’m asking this question because I’ve seen it so many times that people say that bottom feeders, shrimp, etc don’t add much to the bioload because they eat the food that is going to rot on the bottom anyway. Since they still produce ammonia, they do add, but less because they also perform a cleaning job.
I don’t mean plants when I said organisms.
Organisms as in living things?
I would say aquatic plants, they actually absorb your bio-waste.
Otherwise the bio-load of fishes is usually proportionate to their body size, so a small tetra has less bio-load compared to a bigger size goldfish.
Crabs, shrimps and crayfish can also be judge using that equation. But I think a herbivore like an algae eating shrimp produce less load compare to one that feeds on fish food.
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It’s a mistake to think bioload = fish. Bioload = food. Anything you put in the tank requires food, and in theory increases the bioload. In practice most people already over feed. So bottom feeders, “algae eater”* types, shrimp… don’t need extra food. Adding brine will increase the bioload as it’s food, and they will die if not eaten. Neon tetras are small and don’t need much food.
*Note most “algae eater” are omnivores and eat missed foods as much as algae. Depending on the tank and fish they may need extra veggies.
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