Pelagia noctiluca

Description

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Context

Venomous jellyfish blooms are spotted along the Visakhapatnam coast in Andhra Pradesh.

Details

The species, Pelagia noctiluca, also known as the mauve stinger or purple-striped jellyfish, has a painful sting, causes different degrees of illnesses, and can be life-threatening.

About Purple-striped jellyfish:

Appearance	●A blue-purple (mauve) colour with a globe-shaped umbrella covered in orangey brown warts.
Habitat	●It is primarily pelagic or they live in the open ocean. However, this species can survive in benthic and temperate coastal habitats.
Distribution	●It is mainly found in the Indo-Pacific, Atlantic Ocean, and the Mediterranean Sea.
Special feature	●These are bioluminescent, having the ability to produce light in the dark. ●It is venomous and causes varying degrees of illness such as diarrhea, extreme pain, vomiting, and anaphylactic shock.

Jellyfish bloom

A jellyfish bloom is when the population of the species increases dramatically within a short period, usually due to a higher reproduction rate.
According to marine biologists, jellyfish blooms are reported frequently as a result of rising ocean temperatures, one of the main causes of substantial population growth.

Source: https://www.thehindu.com/news/cities/Visakhapatnam/venomous-jellyfish-blooms-spotted-along-visakhapatnam-coast-in-andhra-pradesh/article68023846.ece

PRACTICE QUESTION

Q. Consider the following statements about Venomous jellyfish also called Pelagia noctiluca recently seen in the news?

These are bioluminescent, having the ability to produce light in the dark.
This may cause diarrhea, extreme pain, vomiting, and anaphylactic shock, etc. in human

Which of the above statements is/are correct?