The electric organs, composed of modified muscle tissue, are in the disk, one on each side of the head. The electric rays, or numbfish, have little commercial value.

Get kids back-to-school ready with Expedition: Learn! Electric shocks emitted … They feed on invertebrates and small fish. Adaptations : Liste: Recherche: Fiche livre : Connexion adhérent; Je chante le corps électrique Ray BRADBURY Titre original : I Sing the Body Electric!, 1969 Première parution : Knopf, 1969 Traduction de Jane FILLION DENOËL (Paris, France), coll. By night, rays forage two to three feet above sandy bottoms or nearby reefs. Notes History at your fingertips They are soft and smooth-skinned, with a circular or nearly circular body disk formed by the head and pectoral fins. Electric shocks emitted reach 220 volts and are strong enough to fell a human adult. Barracuda. Animals of the Gulf Waters Barred Grunt. They are soft and smooth-skinned, with a circular or nearly circular body disk formed by the head and pectoral fins. They lie in wait for prey below the sand or other substrate, using their electricity to stun and capture it.The electrogenic properties of electric rays have been known since antiquity. Cobia. Electric rays range in length from under 30 cm (1 foot) to about 2 m (6 feet). Accidentally stepping on one can be a shocking experience.

They are known for being capable of producing an electric discharge, ranging from 8 to 220 volts, depending on species, used to stun prey and for defense. They use this shock to stun their prey and for their own self defense. Electric rays have a rounded pectoral disc with two moderately large rounded-angular (not pointed or hooked) Electric rays are found from shallow coastal waters down to at least 1,000 m (3,300 ft) deep. The electric organs, composed of modified muscle tissue, are in the disk, one on each side of the head. They are sluggish and slow-moving, propelling themselves with their tails, not by using their pectoral fins as other rays do. The ancient Greeks used electric rays to numb the pain of The electric ray may be the most electrosensitive of all animals. The shock from these organs is used in defense, sensory location, and capturing prey.

The torpedo, or electric ray, and the electric eel have especially powerful electric organs, which they apparently use to immobilize or kill prey. The electric rays are a group of rays, flattened cartilaginous fish with enlarged pectoral fins, composing the order Torpediniformes. Je chante le corps électrique (I Sing the Body Electric !) The ancient Greeks and Romans used the electric shock of

They are sluggish and slow moving, propelling themselves along with their tails, rather than using their disc-shaped bodies, … As the electric organ discharges, the ray wraps its disc around the prey to concentrate the electric field and also to manipulate the fish to be eaten whole (head first). Be on the lookout for your Britannica newsletter to get trusted stories delivered right to your inbox.
Lesser Electric Ray Narcine brasiliensis Lesser electric rays normally lie buried in the sand of the surf zone and shallow Gulf. They slowly drift over unsuspecting fishes and stun them with an electrical charge. ", was adapted from a 1962 Twilight Zone episode of the same name, which Bradbury had written. This article was most recently revised and updated by Le recueil est constitué de dix-sept nouvelles et d'un poème. Electric rays are found from shallow coastal waters down to at least 1,000 metres (3,300 ft) depth. est un recueil de nouvelles de Ray Bradbury publié pour la première fois aux États-Unis en 1969.Il est publié en France aux éditions Denoël en 1970 dans la collection Présence du futur.. It was later adapted as a 1982 television movie, The Electric Grandmother, starring Maureen Stapleton. Greater Amberjack. and Heemstra, Phillip C. (May 2007) " The shock from these organs is used in defense, sensory location, and capturing prey. These rays have battery-like electric organs on both sides of their heads, which can make a powerful electric shock. For the fictional energy weapon, see Compagno, Leonard J.V. Adaptations. The title story, "I Sing the Body Electric! https://seaworld.org/animals/facts/cartilaginous-fish/electric-rays There are 69 species in four families. Adaptations : Liste: Recherche: Fiche livre : Connexion adhérent; Je chante le corps électrique Ray BRADBURY Titre original : I Sing the Body Electric!, 1969 Première parution : Knopf, 1969 Traduction de Jane FILLION Illustration de Marie-Christine FOREST DENOËL (Paris, France), coll. These rays have two specialized organs on their backs which can provide enough electricity to knock down an unwary adult. Their eyes are on the top of their heads, resulting in poor visionThe 60 or so species of electric rays are grouped into 12 genera and two families.This article is about the fish. Our editors will review what you’ve submitted and determine whether to revise the article.There are numerous species of electric ray; most inhabit shallow water, but some (Electric rays range in length from under 30 cm (1 foot) to about 2 m (6 feet). During the daytime, rays rest snuggled in sandy or muddy bottoms, but they're … The electric eel has three pairs of electric organs; they constitute most of the mass of the body and about four-fifths of the total length…

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