SAE temperature range

Are SAEs sensitive to cooler aquariums? Certain types of plants may grow
better in cooler temperatures and I was curious what the normal temperature
range is for SAEs. I would be hesitant to keep most of my tropicals
at temperatures below 75F although some might tolerate temperatures
as low as 70F with gradual acclimatization. Ich would be something I'd
be worried about.

Steve P