cartilaginous, benthic, saltwater
Southern Stingray
Hypanus americanus
Flat, diamond-shaped disc with broad, angular pectoral fins. The upper surface is typically olive-brown to dark gray, while the underside is white. It possesses a long, whip-like tail equipped with one or more serrated, venomous spines.
- Habitat
- Coastal marine environments in the western Atlantic Ocea…
- Size & weight
- Disc width typically ranges from 50 to 150 cm, with maxi…
- Diet
- Carnivorous, feeding primarily on bottom-dwelling invert…
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Physical characteristics
Flat, diamond-shaped disc with broad, angular pectoral fins. The upper surface is typically olive-brown to dark gray, while the underside is white. It possesses a long, whip-like tail equipped with one or more serrated, venomous spines.
Habitat & distribution
Coastal marine environments in the western Atlantic Ocean, ranging from New Jersey to Brazil, including the Caribbean Sea and Gulf of Mexico. Commonly found in shallow waters over sandy flats, seagrass beds, and coral reefs.
Behavior
Solitary for the most part, though they can aggregate in specific areas like feeding sites. Often buries itself in the sand to rest or hide from predators during the day.
Diet
Carnivorous, feeding primarily on bottom-dwelling invertebrates such as crabs, shrimp, worms, clams, and small fish, locating prey using electroreception and smell.
Reproduction
Ovoviviparous, meaning embryos develop inside the mother and are nourished by histotrophe (uterine milk) before live birth. Mating typically occurs in the warmer months.
Ecological role
Acts as a benthic predator that bioturbates the sediment while foraging, which helps cycle nutrients and creates micro-habitats for other marine organisms.
Similar species
Roughtail Stingray (Hypanus centroura), which features prominent tubercles and thorns along the back and tail, whereas the southern stingray is relatively smooth.
Identification tips
Look for the uniform dark gray to olive upper disc, lack of prominent thorny tubercles on the back, and the diamond-shaped profile resting on sandy bottoms.
Interesting facts
Southern stingrays frequently visit shallow cleaning stations where small fish remove parasites from their skin, and they are famous for frequenting shallow tourist interaction sites such as Stingray City in Grand Cayman.