Recent studies indicate that jellyfish blooms are increasing along Indian coasts.
About Jellyfish:
It is an ancient and resilient gelatinous zooplankton of the phylum Cnidaria.
These are highly adaptable marine organisms with simple anatomy, stinging tentacles and efficient jet propulsion.
Characteristics of Jellyfish
These are simple invertebrates, members of the phylum Cnidaria, which includes creatures such as sea anemones, sea whips, and corals.
The body parts of a jellyfish radiate from a central axis. This “radial symmetry” allows jellyfish to detect and respond to food or danger from any direction.
They are pretty simple, lack brains, blood, or even hearts.
They are composed of three layers: an outer layer, called the epidermis; a middle layer made of a thick, elastic, jelly-like substance called mesoglea; and an inner layer, called the gastrodermis.
Jellyfish have the ability to sting with their tentacles.
Ecological Impact of Jellyfish
They play essential roles in marine food webs as both predators and prey.
Its populations can explode into dense“blooms” under favourable conditions — events increasingly driven by human-induced and environmental stressors.
These blooms disrupt marine ecosystems by reducing biodiversity, outcompeting native species and collapsing fish and invertebrate populations.
They also pose economic and operational challenges by clogging fishing nets, damaging aquaculture gear, blocking power plant intakes and affecting tourism.
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