BlackAngler.agematdat {LifeHist}

Black Anglerfish Age, Sex, Month, Maturity Stage Data

Description

Black anglerfish individual-based data from the Bay of Bizcay sampled from the catch of an industrial fishing fleet.

Usage

data("BlackAngler.agematdat")

Format

A data frame with 711 observations on the following 4 variables.

pred

Integer, age in years

sex

Integer, 1 for males and 2 for females

month

Integer, the month of capture

stages

Integer, stages of maturity encompassing a gradual advance from juvenile to sexually matur individual

Details

Age has been fixed by biologists examining rings in otoliths. Maturity stages have been fixed by biologists using macroscopic aspect of the fish gonads.

Source

http:\www.azti.es

Examples

data(BlackAngler.agematdat)