So your Notho fry are belly sliding. Think you know the cause?
Swim bladder as a primary site of mycobacterial infection in Nothobranchius ‘belly sliders’ I. Dyková, J. Žák, M. Reichard , K. Součková, O. Slabý, R. Blažek ABSTRACT: The swim bladder inflates early after fish hatching via its interconnection with the digestive tract (ductus pneumaticus). This interconnection may serve as a portal to foreign particles, including bacteria, causing deficiencies in primary swim bladder inflation. We histologicallyexamined 134 African annual killifish (genus Nothobranchius) with secondary loss of swim bladder function (‘belly sliders’)….