Spotted round ray

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Not to be confused with the Round stingray, Urobatis halleri, which may be called the Cortez ray in the aquarium trade[1].

Spotted round ray
Urobatis maculatus danzante.jpg
Spotted round ray in Bahía de Loreto National Park
Scientific classification
U. maculatus
Binomial name
Urobatis maculatus
(Garman, 1913)

Urolophus maculatus Garman, 1913

Spotted round ray in the Gulf of California

Urobatis maculatus also known as the Spotted round ray or Cortez round stingray is a species of round ray endemic to Mexico. Its natural habitats are shallow seas, subtidal aquatic beds, coral reefs, estuarine waters, intertidal marshes, and coastal saline lagoons. This species reaches a length of 42 centimetres (17 in) TL.[3] This species is placed in the genus Urobatis[4] and the family Urotrygonidae.

The Spotted round ray can be parasitized by the flatworm Pleorchis magniporus.[5]

The Spotted round ray is ideal for captivity due to its hardiness and smaller size, and its is also a favorable candidate for breeding in aquaria[6]. It can be kept in a minimum 180 gallon aquarium with fine substrate, little décor, a bottom with lots of surface area (for lots of swimming space), excellent filtration, protected internal tank equipment like heaters and filter intakes (by surrounding them with polyurethane foam barriers),and a secure lid[6]. In the aquarium trade, it may be confused with the Round stingray, Urobatis halleri, which may be called the Cortez ray in the hobby as well[1].


  1. ^ a b (2010): cortez/round stingray care | [1]. In: [2]
  2. ^ Bizzarro, J.J. (2006): Urobatis maculatus. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2.
  3. ^ Froese, Rainer and Pauly, Daniel, eds. (2015). "Urolophus maculatus" in FishBase. February 2015 version.
  4. ^ Moral-Flores, L.F.D., Angulo, A., López, M.I. & Bussing, W.A. (2015). "A new species of Urobatis (Myliobatiformes: Urotrygonidae) from the tropical Eastern Pacific". Revista de Biologia Tropical. 63 (2): 501–514. doi:10.15517/rbt.v63i2.15746.CS1 maint: Uses authors parameter (link)
  5. ^ Merlo-Serna, Aldo Iván; García-Prieto, Luis (15 Feb 2016). "A checklist of helminth parasites of Elasmobranchii in Mexico". ZooKeys. 563: 73–128. doi:10.3897/zookeys.563.6067.
  6. ^ a b Michael, Scott (2001). Aquarium Sharks & Rays. Neptune City, NJ: T.F.H Publications, Inc.