Electric signals in the social behavior of sympatric elephantfish (Mormyridae, Teleostei) from the upper Zambezi river

Scheffel, A. and Kramer, Bernd (2000) Electric signals in the social behavior of sympatric elephantfish (Mormyridae, Teleostei) from the upper Zambezi river. NATURWISSENSCHAFTEN, 87 (3). pp. 142-147. ISSN 0028-1042

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Abstract

Electrocommunication in mormyrid fish from African freshwaters is a challenging research field in neuroethology (Turner et al. 1999). However, virtually nothing is known about electrocommunication within natural mormyrid populations involving sympatric, syntopic species. Here we report on the nocturnal activities and electrocommunication among three syntopic species in a spacious laboratory setting resembling the natural one. Petroccphalus catostoma, Cyphomyrus discorhynchus, and Hippopotamyrus sp. nov. differ characteristically in their behavior, such as in territorial defense, schooling, and joining members of other species during foraging. Comparing social encounters within and between species, the first evidence for interspecific electrocommunication among syntopic species was found.

Item Type: Article
Uncontrolled Keywords: GNATHONEMUS-PETERSII MORMYRIDAE; ORGAN DISCHARGE; SPECIES RECOGNITION; POLLIMYRUS-ISIDORI; FISH TELEOSTEI; WAVE-FORMS
Subjects: 500 Science > 590 Zoological sciences
Divisions: Biology, Preclinical Medicine > Institut für Zoologie > Alumni or Retired > Verhaltensbiologie und Verhaltensphysiologie (Prof. Dr. Bernd Kramer)
Depositing User: Dr. Gernot Deinzer
Date Deposited: 25 May 2022 07:38
Last Modified: 25 May 2022 07:38
URI: https://pred.uni-regensburg.de/id/eprint/42801

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