the Gymnocorymbus ternetzi lives in the middle water-regions of your aquarium. The basin-length of the aquarium should amount to at least 60 cm for these fish. A Trauermantelsalmler is peaceful in the mormalfall. Males like females can gain a length of up to 6 cm.
Attitude: Optimal-proof prevail water-temperatures of 20 to 26 °C in the aquarium. The pH-area should lie between 5.8 and 8.5. The attitude of these fish in the aquarium is unproblematic.
Differentiation of the sexes: Anus-fin beiMännchen males in front essentially more broadly than beiMännchen females, whose AfterflossensauMännchen proceeds more parallel to the stomach-line, back-fin beiMännchen males somewhat slim and pointed
Natural spread: Rio Paraguay, Rio Guaporé, Bolivia