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Dolphins have evolved electroreception in structures different from those of fish, amphibians and monotremes. The hairless vibrissal crypts on the rostrum of the Guiana dolphin (Sotalia guianensis), originally associated with mammalian whiskers, are capable of electroreception as low as 4.8 μV/cm, sufficient to detect small fish. This is ...
Mormyrus longirostris, commonly referred as the eastern bottle-nosed mormyrid, is a medium-sized ray-finned fish species belonging to the family Mormyridae.It was originally described by Wilhelm Peters in Monatsberichte der Akad. Wiss. Berlin, 1852.
Young fisherman with dolphinfish from Santorini, Greece, c. 1600 BCE (Minoan civilization). The mahi-mahi (/ ˌ m ɑː h i ˈ m ɑː h i / MAH-hee-MAH-hee) [3] or common dolphinfish [2] (Coryphaena hippurus) is a surface-dwelling ray-finned fish found in off-shore temperate, tropical, and subtropical waters worldwide.
Most fish able to produce shocks are also electroreceptive, meaning that they can sense electric fields. The only exception is the stargazer family (Uranoscopidae). Electric fish, although a small minority of all fishes, include both oceanic and freshwater species, and both cartilaginous and bony fishes.
There are some incredible animals that roamed the earth and its oceans millions of years ago, and an ancient freshwater dolphin species was just discovered in the Peruvian Amazon. The Weather ...
The Mormyridae, sometimes called "elephantfish" (more properly freshwater elephantfish), are a superfamily of weakly electric fish in the order Osteoglossiformes native to Africa. [1] It is by far the largest family in the order, with around 200 species.
Analysis of the newly identified ancient dolphin’s skull told paleontologists that its body would have measured at least 11 feet (3.5 meters) long — making it about 20% to 25% bigger than ...
In last year's drought, more than 200 of the endangered freshwater dolphins died in Lake Tefe from excessive water temperatures. Dolphins dying again in Amazon lake made shallow by drought Skip to ...