The type locality is a shallow ephemeral pool with a diameter of about 10 m and about 50 cm at the deepest point; the water was turbid, the bottom of the pool not visible .
Dorsal spines (total): 0; Dorsal soft rays (total): 16 - 17; Anal spines: 0; Anal soft rays: 15 - 16. Diagnosis: Nothobranchius hoermanni belongs to the N. ugandensis species group presenting the following combination of characters in males: body colouration light blue with red to red-brown scale margins; frontal part of head red-brown and throat light blue or red; caudal fin uniform red; anal fin light blue or yellow with red-brown spotted pattern . Nothobranchius hoermanni differs from all other members of the N. ugandensis species group by a red throat; light blue anal fin with red-brown spots and stripes proximally and medially, and broad light blue distal zone without markings; pectoral fin hyaline with red-brown stripes parallel to fin rays; exposed branchiostegal membrane red-brown, with cream distal margin; suborbital depth 28% of head length vs. 19-27% . : fusiform / normal; Cross section: compressed.
Behavioural data for Nothobranchius Hoermanni is currently being reviewed.
Freshwater; benthopelagic; pH range: 6.5 - 8.6. Tropical; 23°C - 23°C
The following diseases are known to affect Nothobranchius Hoermanni.
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