Purrmaid Shelly is taking care of sea horse and new class pet, Bubbles, who looks mysteriously unwell; luckily Shelly and her two best friends discover how to perk Bubbles up, and in the process learn why some animals are not meant to be pets.--Provided by Publisher.

Of all the creatures in the ocean, sea horses are Echo Reef's favorite. They're sweet and gentle and they glide through the water so gracefully. When Echo discovers that Rocky Ridge, one of her Trident Academy classmates, has his own pet sea horse, she wants one right away. Not everyone agrees sea horses should be pets, however. Perhaps they are happiest when swimming freely. But Echo thinks that if Rocky can make a sea horse happy, she can too! Can't...

Rachel and Kirsty are going to an outdoor adventure camp, but Jack Frost has stolen the seven magical animals from their fairies and they must rush to help Rihanna the Seahorse Fairy save her seahorse, Bubbles, that is somewhere in the camp's lake.

"Best friends Peanut Butter and Jellyfish are constantly being taunted by their neighbor, Crabby, until they help him out of a jam"--

"Sugar crusted sea shells! Lucky, Ruby, and the whole Fin-tastic Four are entering a very special baking competition with their new undersea bestie Nelia the Narwhal. Ruby really wants to win, and Lucky really wants to help her. Lucky has a treasure trove of magical seashells and a special mission: Share the Magic. So that's just what he's going to do for Ruby, to help make her treats the best and biggest Mermicorn Island has ever seen. But Lucky...

Little Simon Seahorse likes to tell stories, and if some of them are embellished, it just makes for a better story; but when his lucky pearl disappears after Sea and Tell at Coral Grove Elementary he and his friends have a real-life treasure to find -- and of course it will become a super story to tell, one that hardly needs embellishment.

One lonely sea horse learns that she has a lot of friends--friends she can really "count" on.

Misty and five fellow mermaids, on a quest to retrieve six magic crystals that will protect the Coral Kingdom for the next year, face a storm sent by the evil Mantora and are driven off-course to the Kelp Forest, where they find a different kind of trouble.

"Deep under the ocean's surface, the villain Black Manta hunts in a submarine. His mind-control device can brainwash ocean animals into helping him. Can the sea horse Super-Pet Storm outswim Aquaman's deep-sea enemy?"--

Aquaman is holding a contest to choose a successor for his seahorse, Swifty (retired), but the contest is interrupted by the appearance of an evil ice dragon--and when Storm jumps in to help and saves Aquaman, the choice is clear: Storm is Aquaman's new seahorse.