(Glossogobius giuris) is a freshwater fish native to Mainit Lake. It is called “biya” in Tagalog and “white goby or tank goby” in English. The term “pidjanga” is also sometimes fondly used to refer to the Mainitnons, the people of the Municipality of Mainit, a town in Southern Philippines. This blog hopes to capture potentials of Migrants Pidjangas for the Development of our Town by attempting to document development issues, folk stories, and current concerns, about the Pidjanga — both the fish and the people.

Lake Mainit Development Alliance (LMDA)

The Lake Mainit Development Alliance was organized last March 1999, through a Memorandum of Agreement among two provinces, eight municipalities and several national line agencies.

The Alliance was recognized by the Regional Development Council (RDC) per RDC Resolution No. 11, S. 1999.

Lake Mainit as a diverse ecosystem with safe and crystal clear waters surrounded by verdant mountains endowed with abundant natural resources which is an eco tourism destination sustainably managed by an empowered citizenry for economic development and environmetal protection.

Main Features
Watershed Area : 87,072 has.
Aggregate Land Area :72,372 has.
Lake Surface : 14,700 has.
Shoreline : 50 km.
Maximum Depth : 223 m.
Mean Depth : 128 m.
Volume : 18.00
No. of Tributaries : 28 rivers
Outlet of the Lake : Kalinawan River
Length : 20 km.

Lake Mainit is reported to be the habitat of rare fish species: the puyo or climbing perch and gabot. The lake is very scenic and its water has remained generally clear and clean. Various points around it can be potential tourist attractions. Thus, in the Caraga Tourism Master Plan, the lake area is identified as a tourism subzone, mainly for adventure tourism and ecotourism.

(Accessed 28 March 2006)

By: Zimmbodilion Y. Mosende
Mar 28, 2006

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Maradjao karadjao, Pilipinas!

Welcome to the online home of the Pidjangas from the Municipality of Mainit, Surigao del Norte, PHILIPPINES . Pidjanga, Pedianga, Pijanga, Pedjanga... amo ra ton... gikan sa ato danao! For comments and suggestion contact me at

CBCP News: Mining threatens 4th largest freshwater lake in PH

SEVEN are in the town of Mainit, Surigao del Norte... of the 15 exploration permits (EP) that the Regional Office 13 (CARAGA) of the Mines and Geosciences Bureau (MGB) of the Environment department approved as of June 30, 2010.

Read more at and Surigao Today.

If you want to support the protection of Lake Mainit, contact me at pidjangaATgmailDOTcom or 0917-800-4557. Zimm/Peter/Pidjanga

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