Researcher links:

 

Dr. Lisa-ann Gershwin - one of the foremost jellyfish researchers in the world, with over 160 species identified, numerous articles and two books on jellyfish - Jellyfish: A Natural History and Stung! On Jellyfish Blooms and the Furture of the Ocean

Dr. Ferdinando Boero - head of the Occhio alla Meduse campaign regarding Mediterranean jellyfish. 

WoRMS - World Register of Marine Species -  authoritative and comprehensive list of names of marine organisms.

Hong Kong Register of Marine Species - provides a globally accessible platform for taxonomic information of marine species recorded in Hong Kong waters, for research purposes, but also for biodiversity education and the sustainable management of marine resources.

Chinese Register of Marine Species - database of marine species occurring in the Exclusive Economic Zone of China.

Information system on Scyphozoa, Cubozoa and Staurozoa - information system to discover the rich biodiversity of Scyphozoa, Cubozoa and Staurozoa.

SeaLifeBase - a global biodiversity information systems that provides biological and ecological information on marine species.

JeDI: Jellyfish Database Initiative - a scientifically-coordinated global database dedicated to gelatinous zooplankton (members of the Cnidaria, Ctenophora and Thaliacea) and associated environmental data.

The Jellyfish App - an encyclopedia of species, location data, and an Ask Lisa function for queries.

Global Biodiversity Information Facility - Free and open access to biodiversity data.

Jellyfish in the News:

 

Jellyfish almost killed this scientist. Now, she wants to save others from their fatal venom - Science     

Highly venomous box jellyfish spotted at Sentosa on July 3, NParks advises public to avoid dangerous jellyfish - Mothership

How a swarm of jellyfish could stop China's aircraft carrier in its tracks - Business Insider

Other Website links:

 

Marevivo - an NGO working for biodiversity conservation, sustainable development, enhancement and promotion of marine protected areas. Promoted the Occhio alla Meduse jellyfish campaign in the Mediterranean. 

CIESM Jellywatch Program - set up to gather for the first time baseline data on the frequency and extent of jellyfish outbreaks across the Mediterranean Sea.

Jellywatch.org - for recording sightings of jellyfish and other marine organisms.

Cnidaria of the World - an iNaturalist project to share any cnidarian sightings, as well as to facilitate identification.

Australian Marine Stinger Advisory Services - to inform the marine stinger management needs, from prediction to prevention to treatment, for the tourism industry, local governments, other stakeholders, and the public in general. 

Monteray Bay Aquarium - Jellies - a world-class aquarium designed to inspire conservation of the ocean through education.