Initiated in 2015, the marine inventory of Área de Conservación Guanacaste (BioMar-ACG) is rapidly advancing knowledge of biodiversity. Key aspects include: synergizing with parataxonomists, barcoding specimens and making information available. After 85 years, 594 species were reported. Now, after four years, BioMar-ACG documented 1,123 species, for a total of 1,479.

Individuals shown in photographs in this dataset have signed releases authorizing the use of their likenesses.