Brozone family

Based on the Australian series Mako Mermaids

Branch Wells is the youngest of five brothers who lives life like any other teenager until one day on a camping trip he falls into a magic pool and gains the ability to turn into a merman and now has to keep his powers a secret from everyone except for his friend group
Meanwhile five mermaid sisters are banished from their pod for Branch falling in the moon pool and must now go on land in order to figure out how to get rid of Branch's powers before he taps into his full potential and become a danger to all mermaid kind