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Electric eel skeleton, with the long vertebral column at top, the row of bony rays below. Electric eels have long, stout bodies, being somewhat cylindrical at the front but more flattened towards the tail end. E. electricus can reach 2 m (6 ft 7 in) in length, and 20 kg (44 lb) in weight. The mouth is at the front of the snout, and opens upwards.
Electric eels use electricity in multiple ways. Low voltages are used to sense the surrounding environment. High voltages are used to detect prey and, separately, stun them, at which point the electric eel applies a suction-feeding bite. [12] Anatomy of an electric eel's electric organs. Sachs' organ is associated with electrolocation. Inside ...
Electric eels create electric fields powerful enough to stun prey using modified muscles. Some weakly electric knifefishes appear to mimic the electric eel's discharge patterns; this may be Batesian mimicry, to deceive predators that they are too dangerous to attack. [20]
There are over 177 species of fish in the US state of Oklahoma, at least 7% of which are not native. [1] Species include: Alabama shad (Alosa alabamae) Alligator gar (Atractosteus spatula) American eel (Anguilla rostrata) American gizzard shad (Dorosoma cepedianum) American paddlefish (Polyodon spathula) Arkansas darter (Etheostoma cragini)
The electric discharge pattern of bluntnose knifefishes is similar to the low voltage electrolocative discharge of the electric eel. This is thought to be a form of bluffing Batesian mimicry of the powerfully protected electric eel. [28] Fish that prey on electrolocating fish may "eavesdrop" [29] on the discharges of their prey to detect them.
After being swallowed alive, Japanese eels were able to escape from a predator fish’s stomach and swim to freedom through the fish’s gills, new research shows.
Studies have found that the digestive tract of the lamprey actually shrinks and becomes functionally useless as larval lampreys enter the adult stage. The southern brook lamprey encounters a wide range of predators in its natural habitat. [7] The eggs of adults are preyed on by various species of fish and crayfish. [8]
Of the 32 eels that were swallowed whole by dark sleeper fish in a recent study, nine of them successfully escaped to safety Scientists Confirm How Japanese Eels Escape a Predator Fish's Stomach ...