Ages, lengths, and sexes of White Grunt.

Ages, lengths, and sexes of White Grunt (Haemulon plumierii) collected from the central coast of Brazil

Format

A data frame with 465 observations on the following 3 variables.

age

Age (from otoliths to the nearest 0.1 years)

tl

Total length (mm)

sex

Sex (male and female)

Source

From (approximately) Figure 6 of Araujo, J.N. and A.S. Martins. 2007. Age, growth and mortality of white grunt (Haemulon plumierii) from the central coast of Brazil. Scientia Marina 71:793-800. CSV file

Topic(s)

• Growth

• von Bertalanffy

Examples

data(WhiteGrunt2)
str(WhiteGrunt2)
#> 'data.frame':	465 obs. of  3 variables:
#>  $ age: num  3.5 2.8 4.7 4.5 4.5 4.6 5.3 4.8 4.8 4.6 ...
#>  $ tl : int  219 261 240 245 256 260 260 267 270 273 ...
#>  $ sex: Factor w/ 2 levels "female","male": 2 2 2 2 2 2 2 2 2 2 ...
head(WhiteGrunt2)
#>   age  tl  sex
#> 1 3.5 219 male
#> 2 2.8 261 male
#> 3 4.7 240 male
#> 4 4.5 245 male
#> 5 4.5 256 male
#> 6 4.6 260 male
op <- par(mfrow=c(1,2),pch=19)
plot(tl~age,data=WhiteGrunt2,subset=sex=="female",main="Female")
plot(tl~age,data=WhiteGrunt2,subset=sex=="male",main="Male")

par(op)