Brief bug summary: When using the attack key while on a Flying Fish Mount there will be a lack of proper animations.
Character name: Its2Sharp4U Character level: 225 Character job: Blade Master World name: Scania Date and time of the incident: June 25th, 2017 @ 9:06 PM EDT.
Here is a GIF demo of the bug being reported:
Here is an image of the mount name and description: