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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
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• 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
Topics
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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
FishArk Philippines
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Makiling Forest Reserve
Tadlac Lake
Molawin Creek
Cambantoc River
Bagacay Falls
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Makiling Forest Reserve
16 species; 13 genera; 10 families 6 native species; 10 introduced species N = 4,290
Dulong (Gobiopterus lacustris)
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Mt. Banahaw Protected Landscape
Maligit River
Malagaylay
Alitaaw river
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Mt. Banahaw Protected Landscape
17 species; 8 families 11 native species; 6 introduced species N = 1,070
Stiphodon sp. female
Stiphodon sp. male
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Taal Volcano National Park
Magapi
Ambon-ambon
Pansipit River
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Taal Volcano Natural Park
37 species; 31 genera; 19 families 26 native species; 11 introduced species N = 3,403
Archer fish (Toxotes jaculatrix)
Long spined-perchlet (Ambassis interrupta)
Long-snouted pipefish (Doryichthys boaja)
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Mt. Isarog National Park
LAKE BATO
AGOS RIVER
BAGACAY FALLS
PAWILI RIVER LAKE BAAO-BULA
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Mt. Isarog National Park
29 species; 22 genera; 14 families 16 native species; 13 introduced species N = 8,184
Sinarapan (Mistichthys luzonensis)
Brook goby (Redigobius rivalis)
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Mt. Iriga-Masaraga Mountain Range
LAKE BUHI
LAKE MANAPAO
LAKE KATUGDAY IRAYA RIVER
BAYBAY FALLS
ITBUG FALLS
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Mt. Iriga-Masaraga Mountain Range
19 species; 13 genera; 8 families 11 native species; 8 introduced species N = 6,479
Speckled goby (Redigobius bikolanus)
Priapium fish (Gulaphallus bikolanus)
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Bulusan Volcano Natural Park
BULUSAN LAKE
BULUSAN RIVER HULUGAN FALLS
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Bulusan Volcano Natural Park
21 species; 18 genera; 9 families 15 native species; 6 introduced species N = 1,771
Spotfin river goby (Awaous ocellaris)
Dusky sleeper (Eleotris fusca)
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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)
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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
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Lake Manguao and tributaries
Native fish species
Introduced fish species
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Summary
72 species; 58 genera; 27 families 54 native species; 16 introduced species N = ~26,000
Family Gobiidae
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Summary
72 species; 58 genera; 27 families 54 native species; 16 introduced species N = ~26,000
Oreochromis niloticus
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Summary
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• 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
Policy Options
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