|Pet of a Monster High Student|
|Killer Style||I get to wear this devastatingly fabulous fishbowl purse that makes all the other fish at school totally jealous!|
|Pet||Lagoona Blue. She swims almost as good as I do...almost.|
|Favorite Activity||Going to school with Lagoona and working out with her in the pool. Yeah, I'm like her personal trainer.|
|Biggest Pet Peeve||Thin-skinned monsters who get mad when I accidentally nip them in the pool.|
|BFFs||Hissette and Perseus|
Neptuna is Lagoona Blue's pet piranha. Lagoona carries her to school in a fishbowl purse.
"Neptuna is my pet piranha and I've got a special purse that's actually a fishbowl so I can secretly take Neptuna to class."
Neptuna is a light pink piranha fish with aqua blue eyes.
'Basic' Neptuna is in a standard swimming position. Lagoona's purse is designed to fit her.
- Dead Tired
Dead Tired Neptuna is the same as 'Basic' Neptuna. She comes with a blue and white eyemask.
Neptuna's Electrocuties toy lights up purple.
- Freakey Ring & Mirror
Neptuna's Freakey Ring & Mirror is aquamarine.