{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,17]],"date-time":"2026-01-17T10:09:23Z","timestamp":1768644563586,"version":"3.49.0"},"reference-count":55,"publisher":"Wiley","issue":"7","license":[{"start":{"date-parts":[[2012,9,27]],"date-time":"2012-09-27T00:00:00Z","timestamp":1348704000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Journal of Fish Biology"],"published-print":{"date-parts":[[2012,12]]},"abstract":"<jats:p>This study compares electrocommunication behaviour in groups of freely swimming weakly electric fishes of two species,<jats:italic>Marcusenius altisambesi<\/jats:italic>and<jats:italic>Mormyrus rume<\/jats:italic>. Animals emitted variable temporal sequences of stereotyped electric organ discharges (EOD) that served as communication signals. While the waveform of individual signals remained constant, the inter\u2010discharge interval (IDI) patterns conveyed situation\u2010specific information. Both species showed different types of group behaviour,<jats:italic>e.g<\/jats:italic>. they engaged in collective (group) foraging. The results show that in each species, during different behavioural conditions (resting, foraging and agonistic encounters), certain situation\u2010specific IDI patterns occurred. In both species, neighbouring fishes swimming closely together interacted electrically by going in and out of synchronization episodes,<jats:italic>i.e<\/jats:italic>. periods of temporally correlated EOD production. These often resulted in echo responses between neighbours. During group foraging, fishes often signalled in a repetitive fixed order (fixed\u2010order signalling). During foraging, EOD emission rates of<jats:italic>M. altisambesi<\/jats:italic>were higher and more regular than those of<jats:italic>M. rume<\/jats:italic>. The two species also differed in the quantity of group behaviours with<jats:italic>M. altisambesi<\/jats:italic>being more social than<jats:italic>M. rume,<\/jats:italic>which was reflected in the lack of specific agonistic IDI patterns, more fixed\u2010order signalling and more communal resting behaviour in<jats:italic>M. altisambesi<\/jats:italic>.<\/jats:p>","DOI":"10.1111\/j.1095-8649.2012.03448.x","type":"journal-article","created":{"date-parts":[[2012,9,28]],"date-time":"2012-09-28T00:54:00Z","timestamp":1348793640000},"page":"2235-2254","source":"Crossref","is-referenced-by-count":18,"title":["Electrocommunication behaviour during social interactions in two species of pulse\u2010type weakly electric fishes (Mormyridae)"],"prefix":"10.1111","volume":"81","author":[{"given":"K.","family":"Gebhardt","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"M.","family":"B\u00f6hme","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"G.","family":"von der Emde","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2012,9,27]]},"reference":[{"key":"e_1_2_5_2_1","doi-asserted-by":"publisher","DOI":"10.1098\/rspb.2005.3101"},{"key":"e_1_2_5_3_1","doi-asserted-by":"publisher","DOI":"10.1163\/156853907779947409"},{"key":"e_1_2_5_4_1","doi-asserted-by":"publisher","DOI":"10.1007\/BF00694506"},{"key":"e_1_2_5_5_1","doi-asserted-by":"publisher","DOI":"10.1002\/cne.902860309"},{"key":"e_1_2_5_6_1","volume-title":"Reception of Hydrodynamic Stimuli in Aquatic and Semiaquatic Animals .","author":"Bleckmann H.","year":"1994"},{"key":"e_1_2_5_7_1","volume-title":"Principles of Animal Communication","author":"Bradbury J. 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