Fontitrygon colarensis

(Santos, Gomes & Charvet-Almeida, 2004)



Classification: Elasmobranchii Myliobatiformes Dasyatidae

Reference of the original description
Santos, H.R.S. & Gomes, U.L. & Charvet-Almeida, P. (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

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Synonyms / new combinations and misspellings
Dasyatis colarensis

Types
Fontitrygon colarensis

Dasyatis colarensis
Holotype: MNRJ: 25179; Paratype: MCP: 34811; UERJ: 2006;


Description :


Citation: Fontitrygon colarensis (Santos, Gomes & Charvet-Almeida, 2004): In: Database of modern sharks, rays and chimaeras, www.shark-references.com, World Wide Web electronic publication, Version 07/2024

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Short Description
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). Diet: Colares Island region, Pará, Brazil (data base: 47 specimens): Crustaceans were the predominant food item (%IRI = 58) and included species belonging to the Portunidae (crabs), Alpheidae, Penaeidae e Palaemonidae (shrimps) families. Teleosts had an intermediate level of importance (%IRI = 42) in the diet of this species and corresponded to gobiid (Perciformes) species. Annelids and molluscs were rare food items. [15498].

Distribution
Southwest Atlantic: Brazil.

Size / Weight / Age
207 cm TL (male/unsexed; (Ref. 56441))

Habitat
pelagic-neritic; marine; depth range 6 - 6 m (Ref. 56441)

Remarks
shark-references Species-ID=14643;