electric ray
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electric ray

Electric ray (Narcine brasiliensis)

(credit: Douglas Faulkner)

Any of the aquatic rays (families Torpedinidae, Narkidae, and Temeridae) that produce an electrical shock. They are found worldwide in warm and temperate seas, mostly in shallow water but some (genus Benthobatis) at depths greater than 3,000 ft (900 m). Slow-moving bottom-dwellers, they feed on fishes and invertebrates. They range in length from less than 1 ft (30 cm) to about 6 ft (1.8 m) and have a short, stout tail. They are soft and smooth-skinned, with a circular or nearly circular body disk formed by the head and pectoral fins. They are harmless unless touched or stepped on. The electric organs, composed of modified muscle tissue, are in the disk near the head. The shock from these organs, which may reach 220 volts and is strong enough to fell a human adult, is used for defense, sensory location, and capturing prey.

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No references found			Softcover (and CD-ROM); 554 pages Since the Roman Empire where live torpedo fish were used to relieve symptoms from haemorrhoids, through to intolerable protracted headaches, and since Galvani in the 18th century noted the twitching of a frog's leg muscle with the use of an electric current, electrophysical agents have been used to introduce various forms of exogenous energy to improve health and relieve symptoms. Electrotherapy Explained, 4th Edition--Principles and Practice by Newsham-West, Richard / New Zealand Journal of Physiotherapy			Toronto Euclid Toronto International Film Festival Toronto Star, The Toronto, University Toronto, University of Toropa Toropets Toropov, Andrei Toropov, Andrei Dmitrievich Toropov, Nikita Toropov, Nikita Aleksandrovich Tororo Toros Roslin torose torose load cast Torpare Torpedinidae Torpediniformes Torpedo torpedo air flask Torpedo Aviation Torpedo Boat torpedo defense net torpedo exercise head torpedo exploder mechanism Torpedo fish Torpedo Tube torpedo warhead extension torpid Torpor Torquato Tasso Torquay torque torque amplifier torque arm torque constant torque converter torque motor torque reaction torque ripple torque viscometer torque wrench torque yarn torque-coil magnetometer torque-load characteristic torque-speed characteristic torque-tube flowmeter torque-type viscometer torque-winding diagram Torquemada Torquemada, Juan de			Torpedo body Torpedo boom Torpedo catcher Torpédo Club Corrézien Torpedo Control & Selector Panel Torpedo Control System, Submarine Torpedo Control Unit Torpedo Countermeasures Torpedo Countermeasures & Deception Torpedo Countermeasures System Torpedo Danger Area Torpedo Danger Zone Torpedo Data Computer Torpedo Data Computer Operator torpedo defense net torpedo defense net Torpedo Detection Modification Torpedo Detection, Classification and Localization Torpedo Effective Range Indicator Torpedo Ejection Pump Torpedo Exercise torpedo exercise head torpedo exploder mechanism Torpedo Explosive Torpedo Factory Artists' Association Torpedo fish Torpedo Impulse Tank Torpedo Intercept Point Torpedo Launch Canister System Torpedo launcher Torpedo launcher Torpedo level Torpedo level Torpedo Motorboot Torpedo nettings Torpedo Propulsion Upgrade Torpedo Ray Torpedo Ray Torpedo Ray Torpedo Ray torpedo rays torpedo rays torpedo rays torpedo rays Torpedo Readiness Certification Inspection Torpedo Recognition Alertment Functional Segment Torpedo Recognition and Alertment Processor Torpedo Setting Panel Torpedo shell Torpedo station Torpedo stern Torpedo Stock Torpedo Stocks torpedo tube torpedo tube torpedo tube

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electric ray (redirected from Torpedo fish)

electric ray

electric ray
(redirected from Torpedo fish)