Best Vitamin B6 (Pyridoxine)-Rich Foods for Freshwater Fishs

Ranked by vitamin b6 (pyridoxine) content among foods safe for freshwater fishs in the Creature Feast catalog.

Bloodworms per 100g freeze-dried: ~0.2mg pyridoxine Bloodworms are a natural source of pyridoxine (B6), which fish require for amino acid metabolism — particularly the transamination reactions that convert dietary protein into the specific amino acids each species needs. B6 deficiency causes neurological symptoms and anemia in fish.

Spirulina flakes per 100g: ~0.36mg pyridoxine Spirulina flakes contain substantial pyridoxine as part of their complete B-vitamin profile. B6 from spirulina supports the synthesis of hemoglobin in fish red blood cells, which is critical for oxygen transport through the gills and to working muscles.

Brine shrimp per 100g freeze-dried: ~0.1mg pyridoxine Brine shrimp contribute B6 from their whole-organism nutrient profile. The pyridoxine content supports neurotransmitter synthesis in fish, which is important for normal behavior patterns like schooling, feeding responses, and predator avoidance.

Sweet Potato per 100g blanched: ~0.2mg pyridoxine Blanched sweet potato provides plant-sourced vitamin B6 that contributes to the overall pyridoxine pool for herbivorous and omnivorous fish. It is a useful secondary B6 source in a vegetable rotation.