the Ophthalmotilapia ventralis lives in the middle water-regions of your aquarium. The basin-length of the aquarium should amount to at least 90 cm for these fish. A blue thread-mouth-breeder is in the mormalfall. Males like females can gain a length of up to 15 cm.
Attitude: Optimal-proof prevail water-temperatures of 23 to 25 °C in the aquarium. The pH-area should lie between 7.5 and 8.0. The attitude of these fish in the aquarium is quite costly.
Differentiation of the sexes: Clear Geschlechtsdimorphismus stomach-fins' the M, essentially longer than this the W, M, bigger, with pointed moved out back and anus-fins and essentially more splendidly than the W colored, gray),
Natural spread: Africa: Tanganjikasee (endemic), little rascals live in the rock-zone in the transition-area of sandy underground, where is to be found smaller sand-surfaces again and again between bigger stone-blocks and gravel-fields, in fact preferably