[1], CS1 maint: multiple names: authors list (, International Union for Conservation of Nature, 10.2305/IUCN.UK.2006.RLTS.T60102A12300571.en, "Sparsely-spotted Stingaree, Urolophus paucimaculatus", "Feeding ecology of two high-order predators from south-eastern Australia: the coastal broadnose and the deepwater sharpnose sevengill sharks", https://en.wikipedia.org/w/index.php?title=Sparsely-spotted_stingaree&oldid=943525190, Creative Commons Attribution-ShareAlike License, This page was last edited on 2 March 2020, at 10:14. Juveniles have a black caudal fin, which lightens with age (except sometimes for the margin).

The venomous sting of the sparsely-spotted stingaree is potentially injurious to humans, and it has been reported to react aggressively if disturbed. ⓘ Bluespotted stingray or blue-spotted stingray may refer to several species: Neotrygon indica, Indian-Ocean maskray Neotrygon australiae, Australian bluespotted..

[1][5] In Port Phillip, its numbers increased from 1970 to 1991, likely as a result of fisheries depleting its ecological competitors. Round stingrays have relatively short tails and well-developed tail fins.

Beginner Environmental Leadership Program, Alliance of Marine Mammals Parks & Aquariums (AMMPA), International Marine Animal Trainer's Association (IMATA). Ventral surface is off-white. Their daily movement is influenced by the tides; one tracking study showed that they are more active during high tides. The rays may exhibit a behavior similar to human curiosity which allows the snorkeler to observe the eagle ray who may slow down so as to share more time with the much slower human observer if the human observer appears to be unthreatening or interesting to the spotted eagle ray. Solitary species. Their coloring gives them a sort of uniform, which lets the larger fish know not to eat them. The spotted eagle ray was first described by Swedish botanist Bengt Anders Euphrasén as Raja narinari in 1790 from a specimen collected at an unknown location (possibly the coast of Brazil) during a trip he made to the Antilles, and was later classified as Stoasodon narinari.
There are blue stripes on either side of the tail. Take your favorite fandoms with you and never miss a beat. (2010). Find things you'll love. There is no dorsal fin. The spotted eagle ray is hunted by a wide variety of sharks. They are foraging predators and are known to eat a variety of invertebrate and fish prey. One form of traveling is called loose aggregation, which is when three to sixteen rays are swimming in a loose group, with occasional interactions between them. The rays are considered near threatened on the IUCN Red List. Please. From the start to 2018 Burgers' Zoo kept the studbook. The gestation period lasts approximately one year, and the newborns measure about 15–16 cm (5.9–6.3 in) long. This ray is further characterized by a distinctively bell-shaped curtain of skin between the nostrils. Fish emit electrical fields that a ray can detect with a skill called electroreception. Richards, V.P., M. Henning, W. Witzell & M.S. The small eyes are immediately followed by comma-shaped spiracles with angular or rounded posterior rims. [10] There are no target fisheries for the spotted eagle ray, but it is often eaten after being caught unintentionally as bycatch.

The snout is rounded and angular with broad outer corners. Its caudal fin is broad and reaches to the tip of the tail. [29] External parasites include the monocotylid monogeneans Decacotyle octona,[30] Decacotyle elpora[30] and Thaumatocotyle pseudodasybatis[30][31] on the gills.

(2007).

Reaching a length of 57 cm (22 in), this species has a broad, diamond-shaped pectoral findisc that is typically plain … The urolophid, or round stingrays, are considerably smaller, the largest attaining a length of about 75 cm. Spotted eagle rays commonly feed on small fish and crustaceans, and will sometimes dig with their snouts to look for food buried in the sand of the sea bed. Caira (2010). [9], The tail measures 77–98% as long as the disc; it is very flattened at the base and slender towards the tip, which bears a deep, leaf-shaped caudal fin.
Individuals from southerly waters also generally exhibit a smattering of small, dark-edged white spots. When in shallow waters or outside their normal swimming areas the rays are most commonly seen alone, but they do also congregate in schools. Spotted eagle rays are found in warm and temperate waters worldwide. The Blue-Spotted Ray (Neotrygon kuhlii) is a type of stingray that inhabitats much of the Indo-Pacific. Typically found in deeper water on sandy bottoms near rocky or coral reefs at depths to 558 feet (170 m).


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