Are hydras still alive?

I'm curious, could you elaborate on the current status of hydras? Are they indeed still alive, or have they perhaps evolved into something different over time? It's a fascinating topic that has captured the imagination of many, and I'd love to hear your thoughts on the matter. Do you believe that hydras possess unique characteristics that set them apart from other organisms, and if so, how do these traits contribute to their survival and adaptability in today's world?