academic article

• Detection of Mona Island and Abrir La Sierra, Puerto Rico red hind (Epinephelus guttatus) 1 m off the bottom with hydroacoustic techniques.  Proc. Gulf Caribb. Fish. Inst..  63:143-148. 2011
• Use of passive acoustics to map grouper spawning aggregations, with emphasis on red hind, Epinephelus guttatus, off western Puerto Rico.  Proc. Gulf Caribb. Fish. Inst..  63:149-152. 2011