Availability World wide . Torpedo marmorata (Marbled electric ray) Status. These shocks may produce a charge up to 200 volts, instantly stunning or killing prey before the ray can distend its jaw for swallowing. Marbled electric rays are not commercially important, so are often discarded back at sea if caught. There are two rounded dorsal fins located close together on the tail and are nearly equal in size with the first dorsal fin only slightly larger than the second dorsal. 1 2; 3; Last » cc-by-nc-4.0. Another common name, marbled electric ray, is not to be confused with Torpedo marmorata. Marbled Electric Ray (Torpedo sinuspersici) Family Torpedinidae What luck! … A marbled electric ray (torpedo marmorata) was caught in Irish waters during cray fishing off Mutton island, Co Clare, by skipper Thomas Galvin Distinctive Features The marbled electric ray has a rounded disc and a short thick tail with a large caudal fin. 5. Quellen Sue Daly. The marbled electric ray, also known as the marbled torpedo ray, is one of many ray species that will literally leave prey in shock. 1. Project Noah is a tool that nature lovers can use to explore and document local wildlife and a common technology platform that research groups can use to harness the power of citizen scientists everywhere. Then, the ray jumps on prey while emitting electrical shocks to stun it. It also occurs offshore down to depths of 130 m. It feeds on bony fishes and can deliver a strong electric discharge, which is used to stun pray and for defense. A field guide to the elasmobranchs of south-east Arabia. We are restoring the world’s wild fish populations to serve as a sustainable source of protein for people. Online Date. Marbled electric rays are also known as torpedo rays because of their scientific name Torpedo marmorata. Stuns its prey by discharging electricity that is stored in large kidney shaped muscle like organs in the pectoral fins. The conservation status of the marbled electric ray remains data deficient as defined by the IUCN Red List, but these rays are known to be a product of bycatch in some trawl fisheries and bottom longlines. Marbled electric rays are commonly found in the eastern Atlantic Ocean bordering Africa up to Norway, as well as parts of the Mediterranean Sea. This benthic fish inhabits rocky reefs, seagrass beds, and sandy and … The Marbled Electric Ray, also known as Spotted Torpedo, Marbled Torpedo or Torpedo Ray, is a species in the family of the Torpedinidae and thus belongs to the subclass of the Elasmobranchii. Marbled electric ray (Torpedo marmorata) Bouley Bay, Jersey, British Channel Islands. Haftungsausschluss The electric organs of marbled electric rays are functional before the rays are born and can be used to stun prey the moment they’re born.1. Function i. Insulin decreases blood glucose concentration. The Marbled Electric Ray (T. marmorata) is a warm-water Mediterranean species which has rarely been recorded northwards of the English Channel (Quigley 2020). In Latin, Torpedo is derived from “torpinus,” which refers to the numbing effect of the animal’s electric shock on other animals.2. 24 Apr 2004 12:49 pm. Rights Royalty Free Rights Managed. Equipped with electric organs, this ray is an advanced ambush predator whose mottled skin color renders it nearly invisible to unsuspecting eyes. Its colour is light brown with dark spots. Part of. Blue Planet Archive LLC 77-6425 Kuakni Hwy. Torpedo marmorata has a round body with a thin tail. Native range | All suitable habitat | Point map ... Electrocytes start developing when the embryo weighs about 1 g; electric organs functional before birth and newborns can use their electric organ discharge (EOD) in capturing prey (Ref. Marbled electric ray {Torpedo marmorata} Jersey, Channel Is, UK. It has a wide distribution, being found in warm and temperate waters off the coasts of North and South America, around Africa and throughout the Mediterranean. Because of this ray’s formidable demeanor, few other predators of the sea dare to hunt electric rays. At night, the marbled electric ray departs from its hiding spot to forage for prey. Marbled electric ray {Torpedo marmorata} Jersey, Channel Is, UK. Kontakt 4. It can be distinguished from the electric ray Tetronarce nobiliana by the colouration which is marbled pale and dark brown in the marbled electric ray and dark greyish-blue to brown in Tetronarce nobiliana. Instead, electric rays generate a strong, electric discharge from massive and highly specialized electrogenic organs situated at the base of the pectoral fins. This species occurs singly but may form groups during the breeding season. MARBLED ELECTRIC RAY This is one of at least 17 species in which the body is a round disc with a small, rounded tail. Marbled Electric Ray. Female marbled electric rays are larger than males, growing to a maximum length of 2 feet (0.6 m), while males grow to be 1.2 feet (0.4 m) long. When threatened the Marbled Torpedo Ray will swim off the bottom and curl its body into a circle thus presenting its attacker with the area that emits its high voltage shock. Marbled Electric Ray (Torpedo marmorata) Torpedo marmorata belongs to the family Torpedinidae, from the order Torpediniformes, class Chondrichthyes, phylum Chordata and kingdom Animalia. They give birth to 5-32 pups. Add to lightbox; Add to order; E-mail . The marbled electric ray being the better known of them all, possibly due to its striking markings giving it a greater prominence in people's minds rather than the dull colours of other family members. Image number. Online Date. Oceana joined forces with Sailors for the Sea, an ocean conservation organization dedicated to educating and engaging the world’s boating community. The marbled electric ray, also known as the marbled torpedo ray, is one of many ray species that will literally leave prey in shock. Both species are relatively easy to tell apart. Marbled Electric Ray have a gestation period of 9-12 months. Torpedo marmorata (Marbled electric ray) Status. Marbled Electric Ray Torpedo marmorata Risso 1810. collect. Sailors for the Sea developed the KELP (Kids Environmental Lesson Plans) program to create the next generation of ocean stewards. cc-by-nc-4.0. The mouth width of this individual was 41 mm. Marbled electric ray (Torpedo marmorata) Bouley Bay, Jersey, British Channel Islands. The two dorsal fins are located on the tail, they are almost equal in size and are close together. Marbled electric rays can be found anywhere from 33 to 328 feet (10 to 100 m) deep. Add to lightbox; Add to order; E-mail . Description: The marbled electric ray has a rounded,disc-like body with smooth skin and a short, thick tail with a large tail fin. Its distribution area also extends in the eastern Atlantic from the British Isles to South Africa and it is also very common in the Mediterranean Sea. In rocky reefs and seagrass beds, the marbled electric ray buries itself in muddy bottoms during the daylight hours. Starting off with an electrifying start, this ray goes by more than just its common name of Marbled Electric Ray. +1.808.938.5377 info@blueplanetarchive.com blueplanetarchive@gmail.com. 7. 12 Sep 2014 12:00 am. MS TS POV Marbled electric ray (Torpedo marmorata) swimming near shipwreck in Indian ocean / Sri Lanka - This high-quality Rights Managed stock shot in HD from the Marbled Electric Ray / Far East / Sri Lanka stock footage collection is ready for instant licensing and customized download. Marbled electric rays can produce up to 200 volts of electric discharge at a time. This benthic fish inhabits rocky reefs, seagrass beds, and sandy and … As an ambush predator, the marbled electric ray will wait patiently in the dark hours of the night until fish, such as gobies, mackerel or damselfish, swim pass. May be involved in cell-cell interactions. Can produce electric discharges of up to 200 volts; EOD frequency up to 600 Hz. Photographer. Suite C2-300 Kailua Kona, HI 96740 USA The Marbled Electric Ray, also known as Spotted Torpedo, Marbled Torpedo or Torpedo Ray, is a species in the family of the Torpedinidae and thus belongs to the subclass of the Elasmobranchii. The marbled electric ray has a mottled brown coloration on the bod… We have already protected nearly 4 million square miles of ocean and innumerable sea life - but there is still more to be done. They reach a maximum size of 100cm in length. Reviewed-Annotation score: -Experimental evidence at protein level i. It can be identified by the long, finger-like projections on the rims of its spiracles, as well as by its dark brown mottled color pattern, though some individuals are plain-colored. Not much is known about the reproductive strategies of marbled electric rays, but scientists believe that the gestation period lasts up to 10 months and females may release 5 to 32 young. provider any provider CalPhotos Flickr BHL iNaturalist Fishbase Wikimedia Commons Barcode of Life Data Systems Freshwater and Marine Image Bank U Washington. It can emit an electrical voltage of up to 220V to stun its prey. Equipped with electric organs, this ray is an advanced ambush predator whose mottled skin color renders it nearly invisible to unsuspecting eyes. Get a quote; Buy a print; Caption. CMFRI News Letter 118, 8. Also known as the Marbled Torpedo Ray and Spotted Torpedo, it’s a ray in the Torpedinidae family. 3. Datenschutzerklärung Their electrical organs develop already when they weigh about 1g and are ready for use even before birth. This channel is thought to ensure the high conductance of the non-innervated membrane of the electrocyte necessary for efficient current generation caused by sodium influx through the acetylcholine receptor at the innervated membrane 11/6/2016 Wikimedia Commons/Philippe Guillaume. The Marbled Electric Ray preferably lives close to the coast, on sandy ground down to a depth of 400m, but you can also find it on rocky ground sometimes. It is distinguishable from other Torpedo species in its range by its ornate dorsal coloration. Photographer. Electric rays are unique from other rays in that they lack venomous scales or barbs. Oftentimes, only the ray’s eyes are visible above the sand. Impressum It increases cell permeability to monosaccharides, amino acids and fatty acids. 6. First record of the marbled electric ray, Torpedo sinuspersici off Gujarat, north-west coast of India - Volume 6 - Jigneshkumar Trivedi, Kauresh D. Vachhrajani Sign up today to get weekly updates and action alerts from Oceana. A great way to get involved in protecting #oceans: Join Oceana as a Wavemaker & sound off on important issues! Marbled electric rays are nocturnal, burying themselves during the day and hunting at night. The Marbled Electric Ray is found in the coastal waters of the eastern Atlantic Ocean from the North Sea to South Africa and all around the Mediterranean Sea. The muscles of the pecto-ral fins (wings) are modified to generate electrical discharg-es of up to 50 V with an output of close to 1 kW (note that these stats are not specific to this species, but the group as a whole). Function i. 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