Evo sta kaze fishbase.org
Labeotropheus trewavasae Fryer, 1956
FishBase name: Scrapermouth mbuna
Max. size: 11.7 cm
Environment: benthopelagic; freshwater; pH range: 8.0 - 8.0; dH range: 5.0 - 12.0
Climate: tropical; 21 - 24°C
Distribution:Gazetteer Occurs in Boadzulu, Thumbi West, Zimbawe, Mumbo, Nakantenga, Maleri, Nankoma and Namalenje Islands, Masinje Rocks, Chirombo Point to Nkhata Bay and Lion's Cove to Chitande in Lake Malawi.
Biology: Scrapes algae off rocks and also takes in small crustaceans and worms

Alzo, mislim da ti ova riba nije potrebna jer si u Tanganyka fazonu, ali ako si se bas toliko zagrejao i podgrejao :), razmisli o Otopharynx Lithobates, to je plava riba sa zutim ili narandzastim prelivom, a to mozes da nadjes u ZOO HOBI-u.