Nuevo registro de Balaenoptera musculus Linnaeus, 1758 (Mysticeti: Balaenopteridae) para la costa de Oaxaca, México.

Abstract: Oaxaca is one of the most biodiversity regions in Mexico harboring a high number of mammals species. In spite of the large number of mammal inventories conducted in this State, there are still many unexplored areas. We collected a specimen of the Balaenoptera musculus outside of its known distribution range. This new record pinpoints the need for continuing conducting biological inventories in regions holding a high biodiversity. Key words: Balaenoptera musculus , record, Oaxaca, Mexico. Palabras claves: Balaenoptera musculus , nuevo registro, Oaxaca, Mexico.