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Personality-depende...
Personality-dependent inter- and intraspecific foraging competition in the invasive round goby, Neogobius melanostomus
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- Ericsson, Philip (författare)
- Lunds University ;University Southampton, GBR,University of Southampton
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- Persson, Anders (författare)
- Karlstad University,Lund University,Lunds universitet,Enhet akvatisk ekologi,Biologiska institutionen,Naturvetenskapliga fakulteten,Akvatisk ekologi,Forskargrupper vid Lunds universitet,Division aquatic ecology,Department of Biology,Faculty of Science,Aquatic Ecology,Lund University Research Groups
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- Behrens, Jane W. (författare)
- Tech Univ Denmark, DNK,Technical University of Denmark
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- Brodin, Tomas (författare)
- Sveriges lantbruksuniversitet,Swedish University of Agricultural Sciences, Umeå,Institutionen för vilt, fisk och miljö,Department of Wildlife, Fish and Environmental Studies
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- Hirsch, Philipp Emanuel (författare)
- University Basel, CHE,University of Basel
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- Sundelin, Anna (författare)
- Umeå universitet,Kemiska institutionen,Umeå University
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- van Deurs, Mikael (författare)
- University Southampton, GBR,University of Southampton
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- von Friesen, Lisa W. (författare)
- Lund University;University of Copenhagen, DNK
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- Nilsson, Per Anders, 1968- (författare)
- Karlstads universitet,Institutionen för miljö- och livsvetenskaper (from 2013),Lund University
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(creator_code:org_t)
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- 2021-01-18
- 2021
- Engelska.
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Ingår i: Journal of Fish Biology. - : Wiley-Blackwell. - 0022-1112 .- 1095-8649. ; 98:5, s. 1234-1241
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http://dx.doi.org/10...
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Abstract
Ämnesord
Stäng
- This study examines the impact of boldness on foraging competition of the highly invasive round goby Neogobius melanostomus Pallas 1815. Individual risk tolerance, or boldness, was measured as the time to resume movement after a simulated predation strike. Fish that resumed movement faster were categorized as "bold," fish that took more time to resume movement were categorized as "shy" and those that fell in between these two categories were determined to have "intermediate" boldness. Competitive impacts of boldness in N. melanostomus were determined in a laboratory foraging experiment in which interspecific (juvenile Atlantic cod Gadus morhua Linnaeus 1758) and intraspecific (intermediate N. melanostomus) individuals were exposed to either bold or shy N. melanostomus competitors. G. morhua consumed fewer prey when competing with bold N. melanostomus than when competing with shy N. melanostomus, whereas intermediately bold N. melanostomus foraging was not affected by competitor boldness. Bold and shy N. melanostomus consumed similar amounts of prey, and the number of interactions between paired fish did not vary depending on the personality of N. melanostomus individuals. Therefore, intraspecific foraging competition was not found to be personality dependent. This study provides evidence that individual differences in boldness can mediate competitive interactions in N. melanostomus; nonetheless, results also show that competition is also governed by other mechanisms that require further study.
Ämnesord
- NATURVETENSKAP -- Biologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences (hsv//eng)
- NATURVETENSKAP -- Biologi -- Etologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Behavioural Sciences Biology (hsv//eng)
- LANTBRUKSVETENSKAPER -- Lantbruksvetenskap, skogsbruk och fiske -- Fisk- och akvakulturforskning (hsv//swe)
- AGRICULTURAL SCIENCES -- Agriculture, Forestry and Fisheries -- Fish and Aquacultural Science (hsv//eng)
Nyckelord
- Personality
- Boldness
- Behavioural syndrome
- competition
- Neogobius melanostomus
- Biology
- Biologi
- Behavioural syndrome
- Boldness
- competition
- Neogobius melanostomus
- Personality
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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