Diversity and Distribution of Freshwater Fishes in Southern Luzon, Philippines*

Diversity and Distribution of Freshwater Fishes in Southern Luzon, Philippines* Vachel Gay V. Paller Mark Nell C. Corpuz Pablo P. Ocampo *DOST-funded project, FishArk Philippines: Direction for the Conservation of Native and Endemic Philippine Freshwater Fishes Topics • FishArk Philippines • Study Sites o Makiling Forest Reserve o Mt. Banahaw Protected Landscape o Taal Volcano National Park o Mt. Isarog National Park o Mt. Iriga-Masaraga Mountain Range o Bulusan Volcano National Park o Lake Manguao and adjacent tributaries • Summary • Recommendations FishArk Philippines Project 1: Survey of diminutive freshwater fishes indigenous to isolated crater lakes, mountain streams and cataracts in Southern Luzon, Philippines aims to conduct a survey of indigenous diminutive freshwater fishes in seven selected study areas in Southern Luzon, Philippines, each harboring representative isolated crater lakes, mountain streams and waterfalls that can serve as basis for the development of strategies for their sustainable use and conservation Makiling Forest Reserve Bagacay Falls Tadlac Lake Molawin Creek Cambantoc River Makiling Forest Reserve 16 species; 13 genera; 10 families 6 native species; Dulong 10 introduced species(Gobiopterus lacustris) N = 4,290 Mt. Banahaw Protected Landscape Maligit River Alitaaw river Malagaylay Mt. Banahaw Protected Landscape 17 species; 8 families 11 native species; 6 introduced species N = 1,070 Stiphodon sp. female Stiphodon sp. male Taal Volcano National Park Pansipit River Magapi Ambon-ambon Taal Volcano Natural Park Long-snouted pipefish (Doryichthys boaja) 37 species; 31 genera; 19 families 26 native species; 11 introduced species N = 3,403 Archer fish (Toxotes jaculatrix) Long spined-perchlet (Ambassis interrupta) Mt. Isarog National Park LAKE BATO AGOS RIVER BAGACAY FALLS LAKE BAAO-BULA PAWILI RIVER Mt. Isarog National Park 29 species; 22 genera; 14 families Brook goby (Redigobius rivalis) 16 native species; 13 introduced species N = 8,184 Sinarapan (Mistichthys luzonensis) Mt. Iriga-Masaraga Mountain Range LAKE BUHI LAKE MANAPAO BAYBAY ITBUG LAKE KATUGDAY IRAYA RIVER FALLS FALLS Mt. Iriga-Masaraga Mountain Range 19 species; Priapium fish 13 genera; (Gulaphallus bikolanus) 8 families 11 native species; 8 introduced species N = 6,479 Speckled goby (Redigobius bikolanus) Bulusan Volcano Natural Park BULUSAN LAKE BULUSAN RIVER HULUGAN FALLS Bulusan Volcano Natural Park 21 species; 18 genera; Dusky sleeper (Eleotris fusca) 9 families 15 native species; 6 introduced species N = 1,771 Spotfin river goby (Awaous ocellaris) Lake Manguao and tributaries • 600—1200 ha • 4,400 catch basin • Surveyed by: • Day et al. (1914) • Herre et al. (1924) • Davis and Green (1990) • Matillano (2005; 2011; 2012) Lake Manguao and tributaries 11 species; 10 genera; 8 families 8 native species (?); 3 introduced species (?) N = 663 H’ = 2.09 e = 0.74 c = 0.14 d = 3—4 fish/m2 Lake Manguao and tributaries Native fish species Introduced fish species Summary 72 species; 58 genera; 27 families 54 native species; 16 introduced species N = ~26,000 Family Gobiidae Summary 72 species; 58 genera; 27 families 54 native species; 16 introduced species N = ~26,000 Oreochromis niloticus Summary Policy Options • IUCN categories for vulnerable fishes (mostly natives and endemics) • sustainable fisheries and promotion of ecotourism activities • ease of doing research (c/o PCSD and LGU) • Lake Manguao Natural Park? • Taytay National Park? • Mt. Danao Protected Landscape? – LGU as key beneficiary and implementer THANK YOU FOR LISTENING! .

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