Elasmobranchii (sharks and rays) > Myliobatiformes
(Stingrays) > Dasyatidae
(Stingrays) > Dasyatinae
Etymology: Dasyatis: Greek, dasys = rough, dense (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Marine; brackish; benthopelagic; depth range 5 - 80 m (Ref. 58338), usually 5 - 40 m (Ref. 58338). Tropical; 0°C - ; 22°S - 41°S, 62°W - 41°W (Ref. 75710)
Southwest Atlantic: Brazil and argentina (Ref. 75710).
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 65.0 cm WD male/unsexed; (Ref. 75710)
Usually found in sandy bottoms. Mobile invertebrate feeder, feed primarily on benthic mobile invertebrates, such as mollusks, crustaceans, and worms associated with hard or nearby unconsolidated substrate (Ref. 103985).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Cousseau, M.B., D.E. Figueroa, J.M. Díaz de Astarloa, E. Mabragaña and L.O. Lucifora, 2007. Rayas, chuchos y otros batoideos del atlántico sudoccidental :34°S-55°S. Mar del Plata: INIDEP. 102 p. (Ref. 75710)
IUCN Red List Status (Ref. 124695)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 11.7 - 22.9, mean 15.9 °C (based on 98 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5002 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00646 (0.00265 - 0.01571), b=3.06 (2.86 - 3.26), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic level (Ref. 69278
): 3.8 ±0.7 se; based on size and trophs of closest relatives
Vulnerability (Ref. 59153
): High vulnerability (63 of 100) .