Data from: Integration between swimming and feeding evolves repeatedly in Trinidadian guppies and aligns with suction-feeding fishes
Kane, Emily A., Georgia Southern University
Roeder, Megan M., Georgia Southern University
DeRue, McKenna L., Georgia Southern University
Ghalambor, Cameron K., Georgia Southern University
Published Nov 26, 2018 on Dryad.
Cite this dataset
Kane, Emily A.; Roeder, Megan M.; DeRue, McKenna L.; Ghalambor, Cameron K. (2018). Data from: Integration between swimming and feeding evolves repeatedly in Trinidadian guppies and aligns with suction-feeding fishes [Dataset]. Dryad. https://doi.org/10.5061/dryad.kr5rr2c
Well-supported correlations between swim speed and mouth size during prey capture suggest broad existence of an integrated relationship between locomotion and feeding in suction-feeding fishes. However, the influence of specialization on this relationship is unclear. We use divergent populations of Trinidadian guppies (Poecilia reticulata) to test whether integration during suction is generalizable to a non-suction specialist and whether intraspecific specialization of component systems affects their integration. Guppies from replicate high and low predation streams were recorded capturing wild-type zooplankton using suction. Alternative general linear models supported a positive correlation between swim speed and mouth size in derived low predation populations suggesting that the relationship can be extended in some cases. High predation populations lack this integration which may be the result of direct selection or constraints imposed by selection on locomotion. As guppies invade new habitats they may be evolving a new, integrated performance phenotype from a non-integrated ancestor.
Kane et al Ram v Gape data
This file contains the following data for each trial: (1) Drainage basin, (2) population (predation level), (3) Individual number, (4) Trial name of the recorded video, (5) fish weight as measured at the time of euthanizing (some fish died prematurely and measurements were unavailable), (6) standard length as measured at the time of euthanizing (some fish died prematurely and measurements were unavailable), (7) standard length as measured from the video, (8) maximum gape, (9) swim speed at maximum gape.