Mud Jumper
Source: Pet Battle. Orcish children have a tradition where they sneak up on a mud jumper and whisper a secret they wish to come true. If the mud jumper doesn't jump, ... Aquatic type. This pet is great in many fights, I would advise getting more than one.
Mud Jumper is a wild pet found along rivers and lake outlets across multiple continents that can be tamed for battle.
Guide awaiting review
Search along water sources
Travel to rivers and outlets near lakes to find Mud Jumper. These pets are typically level 24 and 25. Look for the paw icon above their heads to identify tameable creatures, as some may not be available for battle.
Tame the Mud Jumper
Engage and capture the Mud Jumper using your pet battle abilities.
Log out if audio persists
If the ribbit sound continues after taming, log out and back in to resolve the audio issue.
Tips
Capture multiple Mud Jumpers since this pet performs well in many battles.