Brazilian large-eyed stingray
📖 Overview
Apparently associated with coral or sandstone reefs of the northeastern Brazilian continental shelf. Two female specimens were collected from the stomach of Rachycentron canadum . Juveniles also occurred in sandy beaches and estuaries. Ovoviviparous .
🔬 Taxonomy
🐟 Physical Description
This medium-sized species of Dasyatis is distinguished by the following characters: horizontal diameter of eye nearly equal to interorbital width and spiracle length; its tail is relatively short, less than two times disk width, distally filiform, with dorsal and ventral finfolds, ending approximately on same vertical line; height of dorsal finfold 1.5-2 in height of ventral finfold; the dorsal surface of disc is yellowish brown, with dark blotch between spiracles and two pairs of dark scapular and precaudal blotches; margins of disc and pelvic fins are blue dorsally; the ventral surface of disc white, with two symmetrical pairs of dark markings in adults .: other; Cross section: flattened.
🌀 Behaviour
Behavioural data for Brazilian large-eyed stingray is currently being reviewed.
🦐 Diet
Diet information for Brazilian large-eyed stingray is currently being compiled.
🥚 Reproduction
Exhibit ovoviparity (aplacental viviparity), with embryos feeding initially on yolk, then receiving additional nourishment from the mother by indirect absorption of uterine fluid enriched with mucus, fat or protein through specialised structures . Distinct pairing with embrace . A gravid female aborted one fully formed embryo .
🌍 Habitat & Distribution
Marine; demersal; depth range 2 - 15 m . Tropical; 0°S - 19°S, 38°W - 45°W Southwest Atlantic: along the northeastern Brazilian coast, from the state of Maranhão to southern Bahia.
🌿 Ecology
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🔍 Similar Species
🗺️ Global Occurrence Map
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 2 records indexed .
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