Lake Lanao




J. Hales



Major Habitat Type

Montane freshwaters

Drainages flowing into

Bohol Sea

Main rivers to other water bodies

The main lake and river in this ecoregion is Lake Lanao and the Agus River, located on Mindinao.



Lake Lanao is the largest lake on the Philippine island of Mindanao. It is drained by the Agus River into Iligan Bay.

Description of endemic fishes

Some of the critically endangered endemics include species in the genus Puntius: P. amarus, P. baoulan, P. clemensi, P. disa, P. flavifuscus, P. herrei, P. katolo, P. lanaoensis, P. manalak, and P. tras (IUCN 2012).

Justification for delineation

For Southeast Asia, delineations were determined using a bottom-up approach that employed both published and unpublished field data and expert assessment (Abell et al. 2008). Lake Lanao is an ancient lake that is known for its species flock of cyprinid fishes.


  • Abell, Robin,M.L. Thieme,C. Revenga,M. Bryer,M. Kottelat,N. Bogutskaya,B. Coad,N. Mandrak,S.C. Balderas,W. Bussing,M.L.J. Stiassny,P. Skelton,G.R. Allen,P. Unmack,A. Naseka,R. Ng,N. Sindorf,J. Robertson,E. Armijo,J.V. Higgins,T.J. Heibel,E. Wikramanayake, (2008). "Freshwater Ecoregions of the World: A New Map of Biogeographic Units for Freshwater Biodiversity Conservation" BioScience 58 (5) pp. 403-414.
  • IUCN (2012) \IUCN Red List of Threatened Species. Version 2012.2\ "<"">" (21 May 2013)