
How baby reef fish find their way home at night
by Mares - 24th December 2016
Scientists have discovered that baby reef fish possess an internal magnetic compass that helps them find their way home at…

New study shows relationship between fisheries harvest and reef resilience
by Mares - 13th April 2016
To better protect the coral reefs of the Caribbean, tighter fishery regulations are needed to offset the mounting pressures they…

The spiny devilfish
by Ivana and Janez - 14th August 2024
The spiny devilfish (Inimicus didactylus) is a venomous marine fish of the Synanceiidae family. This family also includes stonefish, which are considered some…

The master of camouflage – The prickly leather-jacket fish
by Ivana and Janez - 18th March 2024
When we saw the pictures that our photographer Janez Kranjc had taken, we joked that he had found a "hairy fish".…

The Crown of Thorns Starfish – To admire from a safe distance
by Ivana and Janez - 12th August 2023
Crown of Thorns Starfish, COTS for short, Acanthaster planci in Latin, are coral-eating starfish. One of the largest in the world, they can reach up…

Goldfish of the Red Sea
by Ivana and Janez - 2nd May 2023
Every diver who's been to the Red Sea must have a picture with the Pseudanthias squamipinnis – Sea goldies. A very common…

Sun Boat – An artificial reef in its full glory
by Ivana and Janez - 18th April 2023
It is a well-known fact that deliberately sunk vessels become an integral part of the seabed over time. When we…

Discover the Triggerfish!
by Ivana and Janez - 12th January 2023
Triggerfish or balistoids (from the family Balistidae) are mostly rhomboid shaped fish, almost circular, with eyes that can rotate independently…

Cabo Pulmo and endless vortexes of fish (Chapter Five)
by Franco and Sabrina - 22nd November 2022
If your diving wish list includes finding yourself finning inside vortexes of different species of fish so dense as to darken…

Discover Starfish!
by Ivana and Janez - 29th July 2022
Famous not only on the TV thanks to cartoon character Patrick the Star, these animals are actually not fish, but…

The Crocodilefish (Papilloculiceps longiceps)
by Ivana and Janez - 16th June 2022
In Egypt, you can take wonderful boat rides on the Nile and admire the mighty crocodiles, but did you know…

Get to know the Batfish
by Ivana and Janez - 15th April 2022
True batfish belong to the order Platax, coming from the Greek word 'Platys', meaning 'flat', due to their distinct body…

It’s a job to save the Napoleon fish!
by Ivana and Janez - 16th August 2021
The Napoleon fish is a humphead species of wrasse living in the Indo-Pacific and Red Sea coral reefs, also called…

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…

Night Time On The Reef
by Dan - 12th May 2020
Lagoon comes from the Italian word 'laguna' meaning pond or lake. Like the name suggests, a lagoon is generally a…

Jackfish
by Ivana and Janez - 17th September 2019
Why so blue, Jack? Jackfish, also known as Bluefin trevally or blue jack, are one of the most common fish…

Trumpetfish – The forgotten cousins of seahorses
by Ivana and Janez - 6th December 2018
There are only three species of trumpetfish in the world (discovered so far anyway): the Chinese trumpetfish (Aulostomus chinensis), the…

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…

Sea Something, Say Something: Coral Reef Citizen Science
by Hannah - 11th December 2017
We have had a hectic hurricane season here in the Florida and Caribbean region, which can have a big effect…

Researchers are developing a new method for restoring damaged coral reefs
by Herbert - 1st December 2017
Successful breeding and application of coral larvae For the first time, researchers have accelerated the formation of new coral colonies…

Florida: Shipwrecks as reef oases
by Herbert - 18th October 2017
Panama City Beach offers five historic wrecks along Panhandle Shipwreck Diving Trail Located in the northwest of Florida, Panama City…

Lubricated lips helps fish feed on mucus of corals
by Herbert - 12th June 2017
Scientists have discovered a species of fish that has developed a set of self-lubricating lips to consume corals. They have…

Future opportunities for coral reefs
by Herbert - 8th June 2017
In spite of global warming, reefs could change but remain the same Although the world’s coral reefs are under threat,…

Corals create structures to promote reef recovery
by Herbert - 31st May 2017
Complex underwater structures catch coral larvae Scientists have discovered that coral larvae are dependent on their parents. By creating nooks…

Master of the coral reef – The Giant Moray Eel
by Mares - 12th May 2017
Sometimes ugly, sometimes frightening, and of imposing size, the Giant Moray Eel is the master of the coral reefs of…

Project REEFCALENDAR 2017
by Herbert - 30th April 2017
World record attempt for our reefs and oceans Nothing in the universe is as versatile and beautiful, complex and sensitive…

Survey needs divers to speak up for value of Florida’s reefs
by Hannah - 28th April 2017
Beautiful coral reefs are priceless to divers and snorkelers. The intrinsic value of dipping below the waves, leaving the stress…

Researchers gather at Great Barrier Reef to study latest coral bleaching
by Mares - 21st March 2017
Aerial and underwater surveys to be conducted As coral bleaching strikes the Great Barrier Reef for the second year in…

Seismic gun testing threatens world’s second largest barrier reef
by Mares - 25th October 2016
Belize begins seismic surveys at the World Natural Heritage Site of the Belize Barrier Reef In late October 2016, Belize…

Two-thirds of zooplankton at tropical coral reefs lost to ocean acidification
by Herbert - 24th September 2016
Ocean acidification can fundamentally change the structure of the reef Tropical coral reefs can lose up to two-thirds of their…

New butterflyfish species discovered in Hawaii
by Mares - 13th September 2016
Butterflyfish found in deep coral reefs Scientists have announced the discovery of a new species of butterflyfish in the deep…

Seaweed threatens coral reefs in the Pacific
by Herbert - 28th June 2016
Researchers call for more protection of herbivorous fishCoral reefs in the Pacific Ocean are coming under increasing threat of the…

Fresh hope for coral reefs
by Mares - 23rd June 2016
Global study uncovers “bright spots” where coral reefs thrive Researchers have discovered certain places where coral reefs have managed to…

Marine life make themselves at home amongst dropped boulders at reef
by Mares - 6th June 2016
Boulders also prevent fishing activities from taking place. The large boulders dumped into the Sylt Outer Reef in the North…

Coral bleaching makes fish easy prey
by Mares - 17th May 2016
The current spate of coral bleaching in Australian waters is preventing baby common damselfish from learning how to identify which…

Reef sharks prefer bite-sized meals
by Mares - 22nd April 2016
Many of us have the impression that sharks have a large appetite. However, a new study proves otherwise, indicating that…

Severe coral bleaching hits Great Barrier Reef
by Mares - 30th March 2016
Some recent surveys have shown how the rising temperature of the seawater has led to severe coral bleaching at Australia's…

Ocean acidification slows down coral reef growth
by Mares - 17th March 2016
By manipulating the seawater chemistry of a reef to study how excess carbon dioxide caused by human activity affects coral…

Love in the moonlight: The bumphead parrotfish mass aggregation at Palau’s Rock Islands
by Mares - 15th January 2016
The green humphead parrotfish (Bolbometopon muricatum) is one of the diver's favourite fishes. A school of more than 50 of…

Coral reefs in dire threat
by Mares - 12th October 2015
The third global spate of coral bleaching currently taking place may affect almost 38 percent of all the coral reefs…

Biology: The Frogfish
by Herbert - 26th August 2015
Incredibly Fast “Suckers” Finding a frogfish is the tough part. Once you do, taking photos of it is relatively easy,…

Palau Makes Fiery Stand Against Illegal Fishing
by Mares - 15th July 2015
NO to illegal fishery! In June 2015, the idyllic island paradise of Palau issued a strong statement against illegal fishing.…

Top 11 Technical Diving Destinations Around the World
by Kathryn - 17th April 2025
Mares' XR Line was designed for divers entering the world of technical diving - check out the full Mares XR…

Love Wreck Diving? 10 Great Wrecks To Explore
by Kathryn - 23rd January 2025
Wreck diving isn’t just about descending to a sunken ship—it's about diving into history. These underwater relics tell tales of…

Blackwater in Anilao
by Alex - 26th December 2023
Anilao is a great muck diving destination, particularly famed for nudibranchs, frogfish, octopus and many more A-list critters. It is also…

Komba Island – Diving under an active volcano
by Ivana and Janez - 3rd October 2023
Due to a storm and strong winds that hit the Banda Sea, we missed out on some really attractive locations…

Summer Lovin’
by Alex - 26th July 2022
It's easy to forget that the Red Sea is seasonal when you always visit it at the same time of…

12 Great Places to go Diving in New Zealand
by Kathryn - 23rd May 2022
With more than 1,500 km of coastline and around 600 islands, hosting everything from subtropical islands to dramatic fiords, New…