Underwater robot “TRAMPER” to surface after a year in the Arctic deep sea
by Herbert - 22nd August 2017
Helmholtz Alliance ROBEX tested innovative technologies on expedition On Tuesday, August 22nd, the research vessel Polarstern will set off on…
Deep sea mining threatens unique marine habitats
by Herbert - 3rd July 2017
Open letter: Marine researchers warn of the consequences of deep sea mining In an open letter published in the Nature…
Video footage sheds light on deep-sea food webs
by Herbert - 19th December 2017
Jellyfish and related organisms are among the most important predators The animals of the deep sea have been systematically studied…
Haliphron atlanticus: Deep-sea octopus feeds on jellyfish
by Herbert - 30th March 2017
Octopus then uses tentacles of jellyfish to defend itself The open ocean is the largest habitat on Earth. Within this…
Octopus Casper: Deep-sea octopuses require manganese nodules to lay their eggs
by Herbert - 22nd December 2016
Casper the octopus (and counterparts) threatened by deep-sea miningFor deep-sea octopuses, manganese nodules on the seabed are an important breeding…
Book launch at Maritime Museum shines light on first German deep-sea expedition
by Mares - 7th March 2016
Zoologist Carl Chun from Leipzig was fascinated by the possibilities within the deep sea. In a speech to the German…
Can a deep-sea ecosystem recover from human intervention?
by Mares - 26th November 2015
What would the ecological consequences be if the quantity of polymetallic (e.g. manganese) nodules in the deep sea was reduced? Would…
‘Baitball’ watching in the open sea
by Gerald - 12th July 2021
"May the god of the sea spoil you with happiness and let a mighty school of fish slide over your…
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Azoren, Azores, Blue sharks, conservation, diving, Faial, fish, freediving, Mares, ocean, photography, research, sharkdiving, sharks, SSI, underwater
Azoren, Azores, Blue sharks, conservation, diving, Faial, fish, freediving, Mares, ocean, photography, research, sharkdiving, sharks, SSI, underwater 
Inside ‘Monk Seals Cave’
by Ivana and Janez - 1st June 2021
Dalmatia is one of the most beautiful regions of the Adriatic. The islands of Hvar, Brač, Vis, Biševo and many…
Deep Training Camp – Dahab, Egypt 2018
by Carlo - 12th December 2018
In Dahab, Egypt, from the 3 - 7 December 2018, the ‘Deep Training Camp’ took place organised by Mares ambassador…
Open Ocean Research
by Submaris - 10th April 2018
The Big Blue! Finally! After three days of travelling via plane, a short delay of one day due to carnival,…
Seawater cools upper layers of earth’s crust
by Herbert - 29th November 2017
Seawater penetrates much deeper than expected How deep can seawater penetrate through cracks and fissures into the seafloor? Using a…
Researchers measure unusually high oxygen uptake in the Labrador Sea
by Herbert - 13th September 2017
Ocean taking a deep breath? Stormy, rough and very cold: these characteristics of the Labrador Sea may initially seem uncomfortable,…
The living dinosaurs of the sea
by Mares - 4th August 2017
Out of the seven species of sea turtles, six have made it onto the International Union for Conservation of Nature's…
Litter in the sea: New portal offers comprehensive coverage
by Herbert - 29th March 2017
New online portal LITTERBASE compiles all data in one location Where is litter at sea and which species and habitats…
Deep Cave Exploration in Thailand
by Ben - 26th January 2017
It took 8 years, and multiple expeditions, to reach the 200m mark in what might be one of the planet's…
Moments of a lifetime caught on camera : Snorkelling side by side with the sperm whales of the eastern Caribbean Sea
by Franco and Sabrina - 29th November 2016
This post starts our contribution to the Mares blog, to which we are absolutely grateful, and our first post is about the…
Best Guadalupe Season Since 2012!
by Morne Hardenberg - 18th November 2016
We have just completed two EPIC expeditions to Isla Guadalupe off the west coast of Baja Peninsula! The volcanic island…
Black Sea mapping expedition uncovers more than 40 shipwrecks
by Herbert - 18th October 2016
Largest expedition of this kind in Black SeaAn international expedition mapping the submerged ancient landscapes at the Bulgarian coast of…
Seafloor of Red Sea formed at least 12 million years ago
by Herbert - 20th September 2016
Discovery overturns present understanding of region’s geological development Geoscientists find the Red Sea fascinating as it represents an ocean in…
Overfishing causes collapse of cod fisheries in Baltic Sea
by Mares - 15th July 2016
Scientists suggest revision of maximum catch quotas Cod is the great predator of the Baltic Sea and the main fish…
The Red Sea still drawing in the divers…..
by Cat - 11th July 2016
I am sat in my office trying to catch up on some paperwork in between packing my bags once again…
Researchers discover that sponges are host to surprising diverse range of microbes
by Herbert - 17th June 2016
Discovery opens door to potential new discoveries in the futureSponges are important hosts for microbes, making up a significant part…
Researchers use new method to date lava flows
by Mares - 11th April 2016
To better understand the formation of the Earth's crust, scientists at the GEOMAR Helmholtz Centre for Ocean Research Kiel have…
Researchers compile 3-D map of hydrothermal field in Pacific
by Mares - 23rd March 2016
Using the latest 3-D camera technology, scientists from GEOMAR Helmholtz Centre for Ocean Research Kiel is investigating a hydrothermal vent…
Arctic sea ice plays essential role in methane cycle
by Mares - 8th December 2015
Study uncovers link between seasonal melting of sea ice and release of methane gas The ice-covered Arctic Ocean plays a…
Nitrous Oxide From The Sea
by Mares - 26th June 2015
Kiel marine scientists have discovered that the South-East Pacific region has been emitting more nitrous oxide levels than previously expected.…
Greenpeace travels to unexplored parts of the Antarctic
by Herbert - 19th January 2018
Expedition to provide further arguments for the world's largest marine protected area Greenpeace will explore previously barely known regions in…
Cuttlefish: underestimated players in the ocean
by Herbert - 9th January 2018
Squids play an important role in the food web and in the carbon cycle Squid are marine creatures with fascinating…
Marine Snowfall at Equator
by Herbert - 13th October 2017
Detailed picture of biological particle flow to deep sea along the equator Animal excrement and parts of dead organisms constantly…
Arctic: AWI underwater robot Tramper successfully recovered
by Herbert - 31st August 2017
Almost 60 weeks of measurements of oxygen content at the bottom of the deep sea obtained On 27 August 2017,…
3-D Underwater Imaging
by Herbert - 1st August 2017
New age imaging system brings 3-D perspective to underwater sites A revolutionary new multi-function, underwater imaging system has been developed…
Marvels of the Arctic
by Herbert - 9th May 2017
Undertaking a cool journey of discovery Water temperatures of minus 3°C. It is so cold here that using salt to…
Why the cockeyed squid has mismatched eyes
by Herbert - 23rd February 2017
Researchers solve mystery after examining 25 years of video footageThe animals in the deep seas comprise some of the most…
Growing problem of litter in the Arctic depths
by Herbert - 16th February 2017
Sea ice may be responsible for transporting plastic wasteThe Arctic has a garbage problem. In just a decade, the amount…
Larger-sized animals at higher risk of extinction
by Mares - 22nd September 2016
Serious consequences for the marine ecosystems Uncontrolled fishing practices have given rise to a new trend that places larger animals…
Enhancing the analysis of climatic changes in the Arctic
by Mares - 16th June 2016
Scientists head northwards with new autonomous instruments On 13 June 2016, a team of scientists set off to Spitsbergen on…
High concentrations of gold found in Iceland’s geothermal systems
by Mares - 25th February 2016
On Iceland's Reykjanes peninsula, marine scientists found themselves prospecting for gold when they discovered very high concentrations of gold in…
Melosira Arctica named algae species of 2016
by Mares - 19th January 2016
Researchers have named the Melosira arctica, one of the major algae species in the Arctic Ocean, as Algae of the…
Photo mosaic marks successful end to expedition
by Mares - 22nd September 2015
Scientists return to ploughed seafloor to assess condition of terrain Imagine gigantic unmanned crawler vehicles moving along pre-programmed paths on…
Easing back into scuba diving
by Dan - 12th October 2021
At last, I'm back! I'm sure it's the same for many of you, the lockdown has been incredibly tough. Days,…
Hammerhead Sharks
by Ivana and Janez - 13th September 2021
Sharks have a bad reputation and are the most feared marine species, even though attacks on humans are rare, with…
Whale Memories
by Dan - 19th August 2021
About this time every year, humpback whales travel from Antarctica to the warm waters of the Pacific to calve. Sadly,…
Capturing the moment: Franco Banfi
by Mares - 7th July 2021
I’m extremely grateful to call the vast blue expanse off Dominica Island, in the Caribbean Sea, home. Its unfathomable sapphire…
Crinoids – Flowers of the reef
by Franco and Sabrina - 14th June 2021
One of the things that struck me most during the first dives I made in Papua New Guinea, and especially the…
Lake Malawi : The Lake of Stars
by Franco and Sabrina - 9th March 2021
So here we are. Six divers and I, patrolling large rocks at a depth of 18m, struggling to photograph a…
Dan’s Guide To The Perfect Underwater Selfie
by Dan - 15th February 2021
Social media has taken over many people's lives and, as a result, selfies or self portraits are part of our…
Totonno – the jewel of the southern Adriatic
by Ivana and Janez - 24th December 2020
The Italian steamer 'Totonno' was built in 1899 in the shipyard Rijekee & Co. in Rotterdam. During its working life,…
