Elasmobranchii (sharks and rays) >
Myliobatiformes (Stingrays) >
Dasyatidae (Stingrays) > Urogymninae
Etymology: colarensis: Named for its type locality, from the proximities of Colares Island, Marajó Bay, close to Colares I., district of Colares, Pará State, Brazil.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; pelagic-neritic; depth range 6 - ? m (Ref. 56441). Tropical
Southwest Atlantic: endemic to Brazil.
Size / Weight / Age
Maturity: Lm ? range ? - ? cm
Max length : 207 cm TL male/unsexed; (Ref. 56441)
Short description
Identification keys | Morphology | Morphometrics
Diagnosis: Disc diamond-shaped (rhomboid). Snout elongated, preorbital distance 35.7-37.7% in DW. Lower lip outline with a dark, well-defined band. Shoulder region to base of tail with a row of small tubercles along the midline of disc, tubercles somewhat randomly distributed. Posterior margin of the pectoral fins uniformly rounded; of the triangular-shaped pelvic fins, almost straight or slightly sinuous, with its tips exceeding posterior margin of disc. Dorsal caudal keel absent in the holotype, vestigial in the 2 paratypes (Ref. 56441).
Body shape (shape guide): other.
Minimum depth from Ref. 58018.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Santos, H.R.S., U.L. Gomes and P. Charvet-Almeida, 2004. A new species of whiptail stingray of the genus Dasyatis Rafinesque, 1810 from the Southwestern Atlantic ocean (Chondrichthyes: Myliobatiformes: Dasyatidae). Zootaxa 492:1-12. (Ref. 56441)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
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