is an eels brain in its tail?
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New Zealand Native Fish. Eel myth 1: Their brain is in their tail. ... Eels keep their brains in their heads and their nerve endings wherever they need sensation. However, eels have a secondary 'heart' in their tail, just behind the last vertebra.
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Moray eels are serious predators and their jaw structure reflects this. Not only do moray eels have the razor sharp teeth which you can see, they have double jaws and double sets of teeth! Just like an alien they have a hidden internal jaw called the “pharyngeal jaw”.
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Eels are just not supposed to be there. ... Numerous dams make it impossible for eels to reach Smith Mountain Lake naturally. However, this eel isn't the first to emerge from the lake.
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Find the Fins Look closely at your platy's underside, and note the two fins protruding from its belly. The fin in the rear, or anal fin, is called the gonopodium. In female platys this fin is shaped like a fan. If your platy is male, however, the gonopodium will be pointy, flat and long.
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The lobe-finned fish are characterized by fleshy lobed fins, as opposed to the bony fins of the ray-finned fish. There are two types of living lobe-finned fish: the coelacanths and the lungfish. The pectoral and pelvic fins have joints resembling those of tetrapod (four-limbed land vertebrates) limbs.
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The abalone has a pair of eyes, a mouth and an enlarged pair of tentacles. ... Since it has no obvious brain structure, the abalone is considered to be a primitive animal. However, it does have a heart on its left side and blood flows through the arteries, sinuses and veins, assisted by the surrounding tissues and muscles.
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Electric Eel | National Geographic. Electric eels can generate an electrical charge of up to 600 volts in order to stun prey and keep predators at bay.
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Squid have a flexible, feather-shaped structure inside their bodies called the pen, where cuttlefish have a broader internal shell called the cuttlebone. ... You can also gaze into their eyes to tell them apart: squid have round pupils, where cuttlefish pupils are W-shaped.
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As menacing as they appear, moray eels are not considered aggressive, but have been known to defend their lairs, or quickly biting any perceived danger. The common Hawaiian name for some moray eels is puhi, but there are many additional names for different types of moray eels.
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no! But electric eels are real. Known by the scientific name Electrophorus electricus, the electric eel is an electric fish able to generate powerful electric shocks. Electric eels use their shocking abilities for hunting and self-defense.
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An eel is a fish. A fish is an animal that is a vertibrate (has a backbone, unlike insects, crabs.. But like mammals, birds and reptiles) and has gills (some have lungs as well, but also will have gills), and does not have arms or fingers. ... Such animals are called amphibians.
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They have tube nostrils that protrude from the front of their head, above their upper lip. They also have a very large mouth with rows of small, sharp, white teeth. The top teeth form an arrow shape on the roof of the eel's mouth.
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In male Black Skirt tetras, the front edge of the anal fin slants back towards the tail. You can also distinguish the two sexes by looking at their body shape; the female is typically plumper than the male. Male Black Skirt tetras will sometimes sport white dots on the caudal fin.
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While the stingray's eyes peer out from its dorsal side, its mouth, nostrils, and gill slits are situated on its underbelly. Its eyes are therefore not thought by scientists to play a considerable role in hunting. Like its shark relatives, the stingray is outfitted with electrical sensors called ampullae of Lorenzini.
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They are a nocturnal species but are generally peaceful and shy. They mostly ignore other tank mates although they may eat fish that are small enough to fit into their mouths. Some species of spiny eels can get territorial and aggressive with their own kind.
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Gills are the organ present in fishes to breathe in water they are located back side of eyes .
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Why we should eat it: Eels aren't snakes at all but a type of fish that lack pelvic and pectoral fins. As fish, they're a fantastic source of mega-healthy omega-3 fatty acids. They also contain a good amount calcium, magnesium, potassium, selenium, manganese, zinc and iron.