Morphometric traits associated with the reproductive strategy of the blue spiny lobster, Panulirus inflatus (Bouvier, 1895) at Mazatlan, Gulf of California (Decapoda, Achelata)

What is it about?

Reproductive biology in blue spiny lobster Panulirus inflatus was studied. The biometrics of the pereopods associates to reproduction were tested in relationship to carapace length by an allometric linear model. To get a wide range of length in both sexes, the field samplings were carried out on board of artisanal commercial fishing boat at Mazatlán, Mexico. The data of third and fifth pereopod length (TPL, FPL), abdominal and carapace length (AL and CL) were linearized, the parameters of linear model were fitted using maximum likelihood method. The TPL, FPL and AL showed an isometric and allometric growth depending on sex and using the CL as reference measurement. The differences in the TPL-CL, FPL-CL and AL-CL relationships between sexes were explained by the biological reproductive strategies of the species but the model showed a greater explained variance over the male data than female of the blue spiny lobster P. inflatus.

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