Mascota means "Pet" (as in the animal).
¿Who is your pet?
Mascota is the Spanish word for a pet, such as a cat or dog.
A mascota is a pet. Common pets include perro [dog], gato [cat], serpiente [snake], and rato [rat, mouse]
Quiero (tener) un pescadito de mascota.
Very similar in spanish: Mascota
Tienes una mascota?
¿Cuál es la mascota que tiene / tienen / tienes / tenéis?
Yo no tengo mascotas would be the best way to say "I do not have any pets" in Spanish.
Tengo una mascota.
The English word pet is translated into Spanish as mascota.
no te voy a dar ninguna mascota