Function of waving variation in Leptuca pugilator
Data files
Dec 04, 2024 version files 33.34 KB
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README.md
2.06 KB
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Types_of_Waves-Fiddler_Crabs.csv
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Abstract
Fiddler crabs use signaling as a prevalent part of their life histories. The waving of the major (enlarged) claw serves as a signal for attracting mates and in territorial interactions with other males. These waves vary considerably in structure and pattern and although their general use in mate attraction and male competition has been established, the possible function of different types of waves used in different social contexts has not been widely studied. In this study, we investigate the possible functional significance of predominant wave types by examining the behavioral context in which they are performed by male Leptuca pugilator (Atlantic Sand Fiddler Crab) in South Carolina salt marshes. We found that 2 wave types occurred most frequently. “D-waves” were most common when facing other males and were influenced by the distance to the nearest neighbor, while “up-and-down waves” were most common when females were present and when the focal crab was facing a female. Our findings suggest that these 2 waves may, respectively, be used primarily in
male–male competitive interactions and in attracting mates.
README: Waving data for Leptuca pugilator
https://doi.org/10.5061/dryad.hdr7sqvtj
Description of the data and file structure
The dataset provides information on waving behavior for the Atlantic Sand Fiddler Crab Leptuca pugilator. The data are in a .csv file (Types_of_Waves-Fiddler_Crabs) and include the following columns:
FileNumber - This is the video vile from which the data on that row were captured.
CrabID - This is a unique identifier for each individual crab analyzed.
Type.of.Wave - This is the name of the wave type being recorded.
DWave - Binomial indicator of whether the wave was a D-Wave
UpAndDownWave - Binomial indicator of whether the wave was an Up-and-Down-Wave
CWave - Binomial indicator of whether the wave was a C-Wave
TriWave - Binomial indicator of whether the wave was a Tri-Wave
SideToSide - Binomial indicator of whether the wave was a Side-to-Side-Wave
ReverseDWave - Binomial indicator of whether the wave was a ReverseD-Wave
NumWaves - Number of waves counted during the waving bought
Active - Whether the crab was active in other activities during the recording
FacingMale - Whether the focal crab was facing a male
FacingFemale - Whether the focal crab was facing a female
FacingNothing - Whether the focal crab was facing nothing
UnableToTell - Whether it was impossible to tell what t crab was facing because it was on the edge of the video frame
FemalesPresent - Whether there was a female present during the waving bought
DistanceToNearestNeighbor - distance to the closest crab. Some values are 'NA' because no other individual was present in the video frame when individuals were waving.
InOutOfHole - Whether the crab went in and out of its burrow during the waving bought
TimeStamp - Video time stamp representing the waving bought rcorded
WavesPerSec - Waving rate in waves per second
Seconds - Duration of the waving bought in seconds
obs_effect - unique number for each waving bought used as observation level effect in analysis
Missing data: NA
Methods
Data were collected via video observations of naturally waving fiddler crabs.