Small bloodworms can work for rasbora fry likewise. Mosquito larvae are a standard food that rasbora fry wish to try to eat. The worm may well surface red in colour owing to the possession on the respiratory pigment haemoglobin. The species can be a hermaphrodite, with a fancy reproductive system. https://tubifex-bandage02192.blogdigy.com/phoenix-worms-for-sale-an-overview-37301969