I am writing on behalf of my five-year-old son who would like to submit an idea.
Could you develop orcas and rays. The orcas would live in the sea and the rays (their prey) would live in rocky bays. Some orcas will live in the rocky bays too.
You would be able to tame an orca and ride it. Orca babies would go with their mum to hunt and let you use a name tag to name the orcas and the rays too. You would be able to keep pet rays.
Please do it as I will be so happy and have lots of other ideas to share.