Shoaling preferences of two common killifish (Fundulus heteroclitus and F. diaphanus) in the laboratory and in the field: A new analysis of heterospecific shoaling

@article{Blakeslee2009ShoalingPO,
  title={Shoaling preferences of two common killifish (Fundulus heteroclitus and F. diaphanus) in the laboratory and in the field: A new analysis of heterospecific shoaling},
  author={Carrie J. Blakeslee and Nathan Ruhl and Warren J. S. Currie and Scott P. McRobert},
  journal={Behavioural Processes},
  year={2009},
  volume={81},
  pages={119-125}
}
Heterospecific grouping behavior of mummichogs (Fundulus heteroclitus) and banded killifish (Fundulus diaphanus) was analyzed in the laboratory and in a freshwater tidal marsh in Cremona, Maryland. Several parameters of wild, intact shoals were measured, including species composition, body length, parasite load, gender, and any physical abnormalities. Fish collected were used for laboratory analysis of shoaling preferences. When size was equal, banded killifish and mummichogs preferred… Expand
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TLDR
Banded killifish were presented individually with a choice of shoaling with either of two stimulus shoals which differed in shoal size, species composition, and fish body size, before and after a simulated avian predator attack; shoal choice was affected by predator threat only when differences between Shoal size or body size of stimulus fish were large. Expand
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