Rivers and lakes cover 1,830 square kilometers in the Philippines. There are 421 major rivers and 79 lakes in the Philippines. The country's groundwater reservoir, which is recharged by rain and seepage from river and lakes, is about 50,000 square kilometers. Water supply is estimated to be about 146 million cubic meters.
The Philippines has one of the longest coastlines in the world, stretching for a total of 36,289 kilometers. The Philippines' coastal waters cover 226,000 square kilometers. Of the 800 coral species in the world, 500 can be found in the Philippines. There are 2,500 species of fish present in the country's marine waters. There are also 1,062 species of seaweeds and 16 species of seagrasses in the Philippines.
Source: TxtMania