Mameta, a palm-sized white seal from San-X’s Mamegoma series, belongs to the Shiro-goma variant. Its name originates from the Japanese term for "miniature spotted seal," referencing its species and tiny stature—averaging 12 cm in length and 200 grams in weight. Small enough to inhabit a goldfish bowl, Mameta is often illustrated alongside ice cubes to ensure a chilly habitat, exuding a cheerful and approachable nature.

Adopted by the Mamekawa family, Mameta bonds with human caregivers and fellow seals like Cherry-chan, Soda-kun, Lemon-chan, and Candy-chan. The character responds eagerly to human voices, perches on hands after warming up to companions, and enjoys playful activities such as ball games, though its physical stamina remains modest. Omnivorous yet favoring edamame beans, Mameta demonstrates basic understanding of human speech despite its simple cognitive abilities.

Designed with classic Mamegoma traits—a plump, rounded body, rosy cheeks, and expressive eyes conveying emotions from contentment to playful mischief—Mameta’s white fur aligns with the common Shiro-goma subtype. Animated portrayals highlight its daily life within the Mamekawa household, focusing on lighthearted interactions rather than overarching plots. Nintendo DS titles like *Mamegoma: Honobono Nikki* and *Mamegoma 3: Kawaii ga Ippai!* imply caregiving roles for the character, though specific story contributions are not detailed.

Mameta’s origins remain undefined beyond its recent discovery within the franchise’s lore, with no explored familial ties or history prior to adoption. Promotional art and merchandise consistently showcase the seal in whimsical, frozen poses, cementing its role as an emblem of kawaii charm rather than a narrative-driven entity.