crabs {MASS}R Documentation

Morphological Measurements on Leptograpsus Crabs

Description

The crabs data frame has 200 rows and 8 columns, describing 5 morphological measurements on 50 crabs each of two colour forms and both sexes, of the species Leptograpsus variegatus collected at Fremantle, W. Australia.

Arguments

sp species - "B" or "O" for blue or orange
sex as it says
index index 1:50 within each of the four groups
FL frontal lobe size (mm)
RW rear width (mm)
CL carapace length (mm)
CW carapace width (mm)
BD body depth (mm)

Format

This data frame contains the following columns:

Source

Campbell, N.A. and Mahon, R.J. (1974) A multivariate study of variation in two species of rock crab of genus Leptograpsus. Australian Journal of Zoology 22, 417-425.


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