NT Labs Pro-f Micro Crumb is suitable for the smallest of fish with tiny mouths such as Microrasboras Endler guppies & tetra species and is ideal for the fry of both egg-layers and live-bearers. Micro Crumb has been formulated to provide the exact rich high energy nutrition required by rapidly growing juvenile fish. Having the best balanced diet from the start ensures healthy development and with the inclusion of "Stimune" will help provide your fish with strong disease resistance ensuring a high survival rate in baby fish.- High Protein - Highly Nutritious - Reduces Waste