Join Kealan from seahorseaquariums.com to discover the cool, funky and bizarre creatures living in Irish waters.
This week the guys go on the hunt for zebra mussels.
© RTÉ 2013
RTÉ Commercial Enterprises Limited, Registered in Dublin, Registration Number:155076.
Registered Office: Donnybrook, Dublin 4, Ireland.
RTÉ is not responsible for the content of external internet sites