They hold for 30-32 days.
That tank sounds too crowded, not only the Tropheus aren't the dominant specie (Frontosa ...) but you have there egg thieves (Calvus, Red Fin Compressiceps) ...and your average bully Brichardi.
Do you have an egg tumbler? If the female spits them she's not going to have the time to take them back with all the crowd around her even if she would want to do that. Best idea is to put her in a nursing 33gal (give her space, don't confine her to a 10gal) ...just by herself and let her hold full time.
If you have egg tumblers you can strip her and tumble the eggs.
Good luck.
That tank sounds too crowded, not only the Tropheus aren't the dominant specie (Frontosa ...) but you have there egg thieves (Calvus, Red Fin Compressiceps) ...and your average bully Brichardi.
Do you have an egg tumbler? If the female spits them she's not going to have the time to take them back with all the crowd around her even if she would want to do that. Best idea is to put her in a nursing 33gal (give her space, don't confine her to a 10gal) ...just by herself and let her hold full time.
If you have egg tumblers you can strip her and tumble the eggs.
Good luck.