Laguna (province) producing of fish. Carp and tilapia fingerlings are also being grown in inland ponds and freshwater fish pens. There are a total of 457 operators utilizing an area of for fish pens and fish cages. Aside from the Laguna de Bay, approximately 12% of the area in the Seven Lakes of San Pablo is being used for aquaculture. Laguna is home to twenty-one economic zones as registered under the Philippine Economic Zone Authority. Most of these economic zones are located in Santa Rosa, Biñan, and Calamba. The largest economic zone in Laguna is the Laguna Technopark, located in Santa Rosa
Laguna de Gallocanta wetland birds when its water level permits, while its shores are visited by steppeland birds and raptors. In the 1970s Gallocanta Lake was designated a National Hunting Reserve ("Refugio Nacional de Caza de la Laguna de Gallocanta"). In 1994 Gallocanta Lake was declared a Ramsar site, protecting an area of 6,720 ha as a wetland of international importance. The lake has also received designations specifically for its importance to birdlife: There is an interpretation centre with displays on the lake's geology and wildlife. There are also private initiatives promoting bird tourism. Laguna de Gallocanta The Gallocanta Lake () is an