Jaro O Ajik

• Professor (Full) at Mindanao State University Tawi-Tawi,Philippines

Improving the efficiency of fishing gears to catch species and sizes selectively and to catch more fish with less fishing efforts are essential objectives in fisheries research. This study utilized a small-scale multiple troll line, using two different artificial lures, i.e., green and blue, to determine the color lure preference of fish catch, cat...

Weather forecasting using traditional methods in the province of Tawi-Tawi, Philippines, is an important indigenous knowledge and is heavily applied to predict the weather in preparation for fishing and sailing and also for disaster prevention. Here, we documented the practices of the local people of Tawi-Tawi, situated in the southern Philippines,...

The male Macrobrachium species (giant freshwater prawn) typically achieve better growth and a larger harvest size than females. Hence, it is clear that the monosex culture of all-male prawn populations would be inexpensively advantageous. This study aimed to determine whether androgenic gland (AG) ablation induces sex reversal of giant freshwater p...

Frigate tuna Auxis thazard (Lacepède, 1800) is the most dominant species caught by the multiple handline in the coastal and offshore fishing grounds of Tawi-Tawi, southern Philippines. In this study, we investigated the size distribution, length-weight relationship, and catch per unit effort of frigate tuna (A. thazard) in Tawi-Tawi waters, souther...

This study investigated the population density, distribution, and species composition of sea cucumbers in Pagasinan Tidal Flat, Bongao, Tawi-Tawi, Philippines. Sea cucumbers were collected in the night along the tidal flat and by snorkeling along the reef area. The study recorded seven species belonging to genera Holothuria (five species), Bohadsch...