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In biology, the electric organ is an organ that an electric fish uses to create an electric field. Electric organs are derived from modified muscle or in some cases nerve tissue , called electrocytes, and have evolved at least six times among the elasmobranchs and teleosts .
The main organ is the first electric organ to develop, followed by Sachs' organ and then Hunter's organ. All the electric organs are differentiated by the time the body reaches a length of 23 cm (9.1 in). Electric eels are able to produce electrical discharges when they are as small as 7 cm (2.8 in). [54]
Electric organ discharges are two types, pulse and wave, and vary both by species and by function. Electric fish have evolved many specialised behaviours. The predatory African sharptooth catfish eavesdrops on its weakly electric mormyrid prey to locate it when hunting, driving the prey fish to develop electric signals that are harder to detect.
Active electrolocation is practised by two groups of weakly electric fish, the Gymnotiformes (knifefishes) and the Mormyridae (elephantfishes), and by Gymnarchus niloticus, the African knifefish. An electric fish generates an electric field using an electric organ, modified from muscles in its tail. The field is called weak if it is only enough ...
City served, Island FAA IATA ICAO Airport name Role Enplanements (2019) Commercial service – primary airports: Hilo, Hawaii ITO: ITO PHTO Hilo International Airport: P-S 599,148 Honolulu, Oahu HNL: HNL PHNL Daniel K. Inouye International Airport: P-M 10,017,149 Kahului, Maui OGG: OGG PHOG Kahului Airport: P-M 3,571,660 Kailua-Kona, Hawaii KOA ...
Kalaeloa Airport (IATA: JRF, ICAO: PHJR, FAA LID: JRF), also called John Rodgers Field (the original name of Honolulu International Airport) and formerly Naval Air Station Barbers Point, is a joint civil-military regional airport of the State of Hawaiʻi established on July 1, 1999, to replace the Ford Island NALF facilities which closed on June 30 of the same year.
French Frigate Shoals Airport has one runway designated 06/24 with a coral surface measuring 3,000 by 200 feet (914 x 61 m) at an elevation of six feet (2 m) above mean sea level. The runway is closed, except for emergencies, or with prior permission from the United States Fish and Wildlife Service.
Hilo International Airport (IATA: ITO, ICAO: PHTO, FAA LID: ITO), formerly General Lyman Field, is a regional airport located in Hilo, Hawaiʻi, United States. [3] Owned and operated by the Hawaii Department of Transportation, the airport serves windward (eastern) Hawaiʻi island including the districts of Hilo, Hāmākua and Kaʻū, and Puna.