Abnormal rostrum and telson in two species of penaeid shrimp (Decapoda, Dendrobranchiata, Penaeidae) from the Pacific coast of Mexico

Abstract

[Morphological abnormalities were observed in two specimens of penaeid shrimp collected along the east coast of the Gulf of California, Mexico. A bifid rostrum was observed in the brown shrimp, Farfantepenaeus californiensis and a bifid telson in the white shrimp, Litopenaeus vannamei . Des anomalies morphologiques ont ete observees chez deux specimens de crevettes Peneides recoltees le long de la cote est du golfe de Californie, Mexique. La crevette brune, Farfantepenaeus californiensis , presente un rostre bifide et la crevette blanche, Litopenaeus vannamei , un telson bifide. , Morphological abnormalities were observed in two specimens of penaeid shrimp collected along the east coast of the Gulf of California, Mexico. A bifid rostrum was observed in the brown shrimp, Farfantepenaeus californiensis and a bifid telson in the white shrimp, Litopenaeus vannamei . Des anomalies morphologiques ont ete observees chez deux specimens de crevettes Peneides recoltees le long de la cote est du golfe de Californie, Mexique. La crevette brune, Farfantepenaeus californiensis , presente un rostre bifide et la crevette blanche, Litopenaeus vannamei , un telson bifide. ]