The traditional representation of the Tlanchana is in clay. Its shape is half fish, crowned and with flowers, playing a guitar. Here are representations of mermaids and mermen.
The legends of the mermaids of Mexico take place in terrestrial waterways like lakes, lagoons and rivers.
The Atl-tonan-chane, the Tlanchana or mother Lanchana, is the woman goddess inhabitant of water. Source: Sirena de tule of Jorge Arzate by Felix Suarez
Alebrije Tlanchana
Image attribution: The Spirit of Folk Art, The Girard Collection at the Museum of International Folk Art by Henry Glassie.
Mermaid Jar. San Bartolo Coyotepec, Oaxaca, Mexico. Painted earthenware, 20” high