Red Terrors and other fish such as flowerhorns & texas cichlids can be just be so evil that you would need a massive aquarium just so they will co-exist together.For a tank of 100 gallons,don't go right into the 'big boys'.Get something more suited like blue acaras,golden severums,firemouths,nicaragua cichlids,festivums,uraus and soem dither fish like silver dollats.These can be just as fantastic cichlids without the aggresion..Believe me i bought a texas cichid (couple of years back now)without knowing how aggresive they can be and two years later i had to put him in a tank by himself,I then tried to introduce him to my 100 gal(rio 400) but he had a scuffle with the convict,convict lost and the texas cichlid nearly killed him the next day.
I think it is wrong to use the word evil in connection with the behavior of fish. When a Red Terror is being aggressive it is just acting according to its nature. A fish cannot make the distinction between right and wrong and therefore, cannot be classified as evil or good. If I was to put an Oscar in a community tank with smaller fish and the Oscar subsequently ate all the smaller fish it would be futile to call the actions of the Oscar evil. The Oscar was just acting according to its nature. One of the responsibilities of keeping fish is to research the fish you want to purchase and become familiar with its behavior, needs, and tendencies. Anyone who purchases a Red Terror and then complains that the Red Terror was acting in a very aggressive manner has simply failed to do thier homework before purchasing a fish.
You are comparing a red terror and jd to an oscar and small fish
If your upset about what i said keep it to yourself.I don't see anything wrong with what i said.You don't have to go into detail ,narrow it down and pick fault...
I would just like to add this criticism applies to me also. I have been responsible for the deaths of many fish because I failed to do my homework before purchasing the fish. I just went into the store and purchased the fish, because I wanted it, and I thought it looked cool. After wasting a ton money, and killing a number of fish, I wised up and started researching before purchasing.