SPAGS DECEMBER
SPAGS, short for spawning aggregations, is characterized by the gathering of various fish species in larger numbers than usual with the specific purpose of reproduction. In monitoring these spawning aggregations, the aggregating fish species are identified and quantitative data is collected on the length and the number of each species observed. This monitoring is aimed at tracking their populations and determining the effectiveness of management. SEA (southern Environmental Association) does SPAGS continuously. For December 2023, data for the study area showed that there was more yellow tail spawning as compared to any other fish species followed by Dog snappers. Horse eye jack, Ocean triggerfish, Rainbow runner, Yellow Jack, and mutton snappers were also seen in the area but in low quantity. The average size of these fishes that were seen was 20-29 cm and 40-49cm.
SPAGS JANUARY
For January spawning Aggregation (SPAGS) was conducted for 9 days January 25 – February 2, 2024. A total of 14 dives were done. Each day is typically 2 dives. Weather conditions on the 29 of January halted dive
activities, underscoring the unpredictable nature of field research in marine environments. Despite only a few groupers being observed and no spawning the dives yielded a wealth of valuable data on the behavior and ecology of various marine species inhabiting the study area. Sightings of Dog Snappers (Lutjanus jocu) engaged in group behavior provided insights into their social dynamics. Observation of yellow jacks (caragoides Bartholomew) spawning showed the importance of timing in reproductive events within marine ecosystems. Few other species were observed in the area mostly being jacks and snappers. A diverse array of shark species was observed as well enriching understanding of apex predators’ roles in coral reef ecosystems. Bull sharks (Carcharhinus Leucas), Reef sharks (Carcharhinus perezii), and the elusive sighting of a rare scalloped hammerhead shark (Sphyrna Lewin), each encounter offered valuable glimpses into the complex interplay between predator and prey dynamics in this biodiverse water.