description Dwarf Round Ray Overview
Urotrygon nana, known as the dwarf round ray or pygmy round ray, is a small marine ray in the family Urotrygonidae. It is a bottom-dwelling species of the tropical eastern Pacific, recorded from the Gulf of California to Panama, where it occupies soft bottoms including mangrove habitats at depths of about 2 to 15 metres. The species has an oval disc, very small eyes, a slender tail, and one large venomous spine. [STRI species data](https://biogeodb.stri.si.edu/sftep/en/thefishes/species/238)
help Dwarf Round Ray FAQ
What is the dwarf round ray?
The dwarf round ray is Urotrygon nana, also called the pygmy round ray. It is a small bottom-dwelling marine ray in the family Urotrygonidae.
Where does Urotrygon nana live?
The species is recorded in the tropical eastern Pacific from the Gulf of California to Panama. It uses soft-bottom habitats, including areas around mangroves.
Is the dwarf round ray a shark?
No. Urotrygon nana is a ray, not a shark, and belongs to the ray family Urotrygonidae. Like other rays, it is adapted for life close to the seafloor.
What kind of habitat does the dwarf round ray prefer?
The dwarf round ray is associated with soft bottoms where it can rest or move along the seabed. Its recorded habitats include shallow marine areas and mangrove-associated environments.
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