Who New and Review #53 - Have we found her?

Monster - The Aridians
Episode – The Chase
Technology – No real technology to state – they were subjugated as slaves for the daleks

The Aridians were a piscine humanoid race native to Aridius. When the First Doctor encountered the culture, it was clearly in decline, having all but lost the evolutionary war on Aridius to the Mire Beasts.