Larval and early juvenile fishes associated with milkfish fry at Malandog, Hamtik, Antique
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From 5 May 1981 to 7 November 1981 a total of 122,841 specimens of milkfish fry and early juvenile fishes was collected with the use of a milkfish fry sweeper. Of these, 66,361 or 54.02% consisted of early juvenile stages of 30 species of finfish and the rest were 56,480 milkfish fry of 45.98% of the total collection. The most abundant finfish excluding milkfish fry was Ambassis sp. comprising 59.43% of the total fish catch, followed by Elops machnata, 12.7%; Sillago sihama, 8.66% Gobiidae, 6.11%; Therapon jarbua, 5.49% Stolephorus sp., 2.06%; Chonoporus sp., 1.53%; Mullet, 0.97% and Scatophagus argus, 0.32%. The rest of the species combined comprised less than 1%. Water temperature, pH and dissolved oxygen (D.O.) showed inverse relationships with fish abundance at the early hours of the day (0800H-1200H) but incosistent correlations were noted during night time when these parameters were rather constant. Salinity did not show any correlation to fish abundance although more species were collected after a heavy downpour. Fish catch was higher during low tide than at high tide.
Sự miêu tả
Contribution No. 135 of SEAFDEC Aquaculture Department.
Suggested CitationBanada, V. C. (1983). Larval and early juvenile fishes associated with milkfish fry at Malandog, Hamtik, Antique.
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