johhani cichlids? ...and puffers

[compulsion]

excuse my poor spelling, but i saw today and my LFS a tank of small yellow cichlids, called mellon something johhani is it? well something like that, the keeper said they will rip my siamese apart? i know there a bit spitefull but 1 pair in a 3foot x 2foot x15inch planted tank? is this really going to be a problem, there very pretty and a paid or yellows would look nice.. another they had there was dwarf puffers, he told me they was brakish which i allready knew, but ive seen them in planted tanks and i know people have them on here. he didnt give 2 shits if i baught them or not which i found a bit sad but he "was still letting me know". could i have a pair of these without a brakish tank? i would love a pair but i dont want them to die on me, my ph is 7.6 at the mo but im gonna drop it this week to 7 if i can. any help would be appriciated.

thanks

[ninoboy]

I believe you saw a female Melanochromis Johanni. Don't put those in planted tanks. They are messy diggers and will uproot a lot of stem plants.

Some brackish water fish can adapt to freshwater but needs high GH water. I'm not sure about the puffers though.

[NFish]

You do not want melanochromis johanni in your tank. trust me. They will most likely kill all your other smaller fish, dig up or eat your plants, and they prefer a pH of about 8

[compulsion]

yeah that was the name. there pretty fish but in that case ill give them a miss. thanks guys