An international group of sea life researchers carried out a new study, which suggests that jellyfish have very advanced orientation skills including sensing currents and swimming against them whenever necessary. This discovery challenge the traditional belief that these creatures would simply let themselves float with water currents. Researchers clarified that the recently found orientation abilities may uncover the odd way jellyfish create “blooms.” The blossoms incorporate somewhere around hundreds and millions jellyfish that proficiently swim in a zone for several months causing migraines to fishermen and beach-goers. The study is distributed in the latest issue of the Current Biology journal.
For their research, the group labeled 18 barrel jellyfish in the Bay of Biscay with GPS information loggers. The lumberjacks gather data about location, speed and body orientation.
Professor Graeme Hays, co-creator of the study and analyst at the Deakin University, Australia, clarified that connecting the labels to the jellyfish was much simpler than appending them to other marine creatures. More exactly, a cable tie is circled around the peduncle that connects the swimming bell to the trailing arms in a few seconds and the tag holds for an indefinite period of time.
The group likewise utilized drifting GPS gadgets to determine the current direction in the area. The loggers uncovered that jellyfish don’t passively allow the current to bring them along. Rather, they swim against it to hold their starting position inside the bloom. Afterwards, specialists took the gathered information about both jellyfish and currents and made a digital model of a jellyfish blossom’s movement pattern in the sea.
Prof. Hays unveiled that the model permitted him and his colleagues to discover that dynamic and coordinated swimming aids maintaining the blooms. According to the computer replica, jellyfish inside a bloom don’t allow being scattered or pushed ashore by flows.
With this data about jellyfish conduct researchers can begin to establish some predictive patterns for blooms’ activity, according to Prof. Hays. However, the digital model couldn’t help analysts learn how jellyfish navigate. The researchers now believe that jellyfish either sense marine ebbs and flows over their bodies, or rely on Earth’s magnetic field for space orientation similar to ocean turtles. By precisely projecting jellyfish blooms, researchers trust that their discoveries would help people restrain them.
The scientific name of the barrel species is Rhizostoma, which signifies “root pores”. Jellyfish are the main diet of the endangered leatherback turtle. The blue jellyfish is a typical visitor to US coasts from May to October.The compass jellyfish is present on the south and west banks of England. It has a saucer-shaped bell, with 32 semi-roundabout flaps.
Image Source: Reuters