A non-profit organisation for the study and the conservation of the marine environment

Tethys is conducting internationally qualified scientific research aimed at the conservation of whales and dolphins since 1986.

The institute has been promoting the first citizen science projects on Mediterranean

cetaceans and offers not just whale watching, but exciting field courses for paying volunteers

wishing to help researchers at sea.

Join an expedition

San Remo

Both Tethys’ ongoing long term projects – CSR in the Ligurian sea and IDP in Greece – are citizen science projects. 2014 teams will go on until the end of September. Anyone can participate.

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Two projects available  new

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In addition to the CSR research cruises in the Ligurian Sea, this year the second project, the IDP, located in Greece and ongoing since 1991, is again open to participants directly through Tethys, too.

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Updates on CSR cruises

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Check out, every week, the new pics and the latest news about our teams of participants and researchers on board of “Pelagos” cruising in the northwestern Mediterranean. Follow #mediterraneanwhales (Ligurian Sea), #mediterraneandolphins (Greece) and #CSRstory or #IDPstory  about the teams in the field. Blog→

An expedition as a gift

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Offer a week among whales and dolphins to someone you love. The lucky ones receiving the present will be able to freely choose their dates and their destination (Greece or Ligurian Sea)

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Tethys' Projects

A series of best pictures regarding Tethys' ongoing long term research projects conducted in the Mediterranean which you can join: CSR in the Pelagos Sanctuary, Ligurian Sea on board the RV "Pelagos", and IDP in the coastal waters of Greece.

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Tethys' Blog

Recent updates

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News from the latest cruise: CSR 20 (September 15th – 21st)

Thursday September 25th, 2014

The very last week of the season just ended. And what a week! Despite the windy weather, we got the chance to sight several sperm whales, very friendly striped dolphins.. read more

(Italiano) A Pavia il primo seminario su biologia e conservazione dei mammiferi marini

Wednesday September 24th, 2014

Sorry, this entry is only available in Italiano.

News from the latest cruise: CSR 19 (September 8th – 14th)

Monday September 22nd, 2014

A great group from all over the world was on board this week and their long journey definitely paid off – and we had  the opportunity to take great, unprecedented.. read more