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20 April 2024 |
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Article overview
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Effects of shady environments on fish collective behavior | | Haroldo V. Ribeiro
; Matthew R. Acre
; Jacob D. Faulkner
; Leonardo R. da Cunha
; Katelyn M. Lawson
; James J. Wamboldt
; Marybeth K. Brey
; Christa M. Woodley
; Robin D. Calfee
; | | Date: |
20 Oct 2022 | | Abstract: | Despite significant efforts devoted to understanding the underlying
complexity and emergence of collective movement in animal groups, the role of
different external settings on this type of movement remains largely
unexplored. Here, by combining time series analysis and complex network tools,
we present an extensive investigation of the effects of shady environments on
the behavior of a fish species (Silver Carp Hypophthalmichthys molitrix) within
earthen ponds. We find that shade encourages fish residence during daylight
hours, but the degree of preference for shade varies substantially among trials
and ponds. Silver Carp are much slower and exhibit lower persistence in their
speeds when under shade than out of it during daytime and nighttime, with fish
displaying the highest persistence degree and speeds at night. Furthermore, our
research shows that shade affects fish schooling behavior by reducing their
polarization, number of interactions among individuals, and the stability among
local neighbors; however, fish keep a higher local degree of order when under
shade compared to nighttime positions. | | Source: | arXiv, 2211.02677 | | Services: | Forum | Review | PDF | Favorites | |
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