Goldfish:
Pellets or Flakes: Look for high-quality, sinking pellets or flakes specifically formulated for goldfish. These should provide a balanced diet that includes essential nutrients and meet the dietary requirements of goldfish. Opt for brands that use natural ingredients and avoid fillers or artificial additives.
Variety of Foods: Goldfish can benefit from a varied diet. Along with pellets or flakes, consider supplementing their diet with freeze-dried or frozen foods like brine shrimp, daphnia, or bloodworms. These offer additional nutrients and help mimic their natural feeding habits.
Fresh Vegetables: Goldfish also enjoy and benefit from occasional vegetable treats. You can offer blanched peas, spinach, or lettuce as a supplement to their regular diet. These vegetables provide fiber and promote healthy digestion.
Tetras:
High-Quality Flakes or Granules: Tetras typically thrive on a diet of high-quality flake or granule foods designed for tropical fish. Look for options that provide a balanced mix of protein, vitamins, and minerals. Tetra-specific brands often offer suitable options.
Live or Frozen Foods: Tetras are omnivorous and appreciate occasional live or frozen foods. Offer them small-sized live or frozen foods such as daphnia, brine shrimp, or mosquito larvae. These provide variety and natural nutrients that can enhance their diet.
Supplementary Foods: You can consider supplementing their diet with vegetable matter like spirulina flakes or tablets. These can provide additional nutrients and support their overall health.