Electrocommunication | Wikipedia audio article
Channel: wikipedia tts
Date: 2019-01-14

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/Electrocommunication


00:01:15 1 Overview of weakly electric fish
00:02:46 2 Electroreceptor organs
00:05:31 2.1 Classification of the two types of receptive organs
00:05:42 2.1.1 Tuberous organs
00:07:11 2.2 Classification of tuberous organs
00:07:22 3 Electric organs
00:09:14 3.1 Mormyrids
00:10:30 3.2 Gymnotiforms
00:12:15 4 Signals
00:12:24 4.1 Types of signals
00:13:04 4.2 Physical properties of signals
00:13:14 4.2.1 Electric field
00:14:33 4.2.2 Active space
00:16:15 4.2.3 Frequency and waveform
00:17:13 4.3 EOD frequency
00:17:54 4.4 EOD waveform
00:18:33 4.5 Differences and changes in signals
00:19:11 4.5.1 Signals and sex
00:21:35 4.5.2 Signals and development stages
00:23:44 4.5.3 Signals and dominance status
00:24:27 4.6 Special signals
00:25:43 5 See also



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SUMMARY
=======
Electrocommunication is the communication method used by weakly electric fishes. Weakly electric fishes are a group of animals that utilize a communicating channel that is "invisible" to most other animals: electric signaling. Electric fishes communicate electrically by one fish generating an electric field and a second individual receiving that electric field with its electroreceptors. The receiving side will interpret the signal frequencies, waveforms, and delay, etc. The best studied species are two freshwater lineages- the African Mormyridae and the South American Gymnotiformes. While weakly electric fish are the only group that have been identified to carry out both generation and reception of electric fields, other species either generate signals or receive them, but not both. Animals that either generate or receive electric fields are found only in aquatic (or at least moist) environments due to large resistance of all other media (e.g. air). So far, communication between electric fish has been identified mainly to serve the purpose of conveying information in

species recognition
courtship and sex recognition
motivational status (attack warning or submission) and
environmental conditions.