I know fish can eat flakes, peas, cucumber, cabbage and frozen blood worms daphina etc but what other house hold food that can be bought from supermarkets can they eat??? can they eat prawns could i have some examples please thanks
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all fish are obnivores to a point (sp) puffers eat prawns etc
ive heard the rule of thumb is 'anything green' but not with all fruits as the citric acid is too strong for some fish
sorry, your right,This is not true at all. Be careful with the word 'all' because there are some obligate herbivores and some obligate carnivores out there. If you would have said 'most,' then the statement is fine
With regards to citric acid, or anything else. Fish have very good chemical receptors in their mouths, and are incredibly unlikely to eat anything that would poison them. Citric acid is also a very weak acid, comapred to all the other acids in the tank, like the acids from the cycle, for instance. In almost every case, the fish would know if a natural food (not the processed, cooked foods we usually give them) is safe or not. Just wash it off carefully, to make sure that pesticides or anything on the outside is off. Sometimes people recommend blanching for a few seconds to soften, but the tank water will also soften the food.
Ultimately, I just let the fish figure it out... if they eat it, good, if not I take it out. I have given my fish peas, spinach, lettuce, green beans, oranges, pears, and apples. Sometimes they liked it (my tiger barbs loves oranges) and sometimes they ignored it (like pears).