Snake Rat

Snake Rats are magical creatures that's appear in Season 1.

Overview
Snake Rats are swamp creatures that eat toads.

Season 1
In "Alfea College for Fairies," the Trix turn the enchanted eggs the Red Fountain Specialists are going to give the fairies of Alfea into Snake Rat eggs. Overhearing their spell, Bloom warns the Winx about their plan. Tecna then researches Snake Rats via a projection from the palm of her hand. Before the gifts are distributed to the fairies, the Winx cast a counter spell, restoring the enchanted eggs.

#2: The Secrets of Alfea
The Trix turn the enchanted eggs the Red Fountain Specialists are going to give the fairies of Alfea into Serpent eggs. Overhearing their spell, Bloom confronts the Trix in the Labyrinth they are in. The Trix then begin to attack her with spells. Bloom manages to escape their grasp and make her way out of the labyrinth with the magic thread. Then, Bloom warns the Winx about the Trix's plan plan. Tecna then researches Snake Rats via a projection from the palm of her hand. Before the gifts are distributed to the fairies, the Winx cast a counter spell, restoring the enchanted eggs. Later, as the Trix try to find the door that leads out of the labyrinth, they open a door revealing the Serpent Rats the Winx had displaced with their counter spell.

Trivia

 * They are called Serpent Rats in the Winx Club Comic Series.
 * They are venomous creatures whose bites induce nausea in the 4Kids version.