Best Vitamin B1 (Thiamine)-Rich Foods for Freshwater Fishs

Ranked by vitamin b1 (thiamine) content among foods safe for freshwater fishs in the Creature Feast catalog.

Bloodworms per 100g freeze-dried: ~0.15mg thiamine Bloodworms are a natural source of thiamine (B1), which is critical for nerve function and energy metabolism in freshwater fish. Thiamine deficiency causes neurological symptoms in fish (erratic swimming, seizures), making regular feeding of thiamine-rich foods like bloodworms important for neurological health.

Peas per 100g shelled: ~0.26mg thiamine Peas provide thiamine in a plant-based form that contributes to the B-vitamin pool for omnivorous and herbivorous fish. Thiamine from peas supports carbohydrate metabolism, which is important for the energy-from-starch pathway that herbivorous species rely on more heavily.

Spirulina flakes per 100g: ~2.4mg thiamine Spirulina flakes contain a broad spectrum of B vitamins including thiamine. The advantage of spirulina as a B1 source is that it delivers the vitamin as part of a complete nutritional matrix with other B vitamins that work synergistically.

Brine shrimp per 100g freeze-dried: ~0.1mg thiamine Brine shrimp contain naturally occurring thiamine from their position in the aquatic food chain. Regular feeding of brine shrimp as part of a varied diet helps prevent the thiamine deficiency that can occur when fish are fed exclusively on processed dry foods.