Pretty birds from the Red Sea
by Ivana and Janez - 12th September 2024
I love all the different species of wrasse, and I thought I knew them well, but this one was a…
Gobies – Small, cute and sneaky
by Ivana and Janez - 15th April 2024
There are more than 2000 species of gobies in one of the largest bony fish family, Gobiidae. They can be found…
The 10 most-read Mares blogs of 2023
by Mares - 28th December 2023
It's almost the end of 2023, and Mares would like to re-propose some of the most-read articles of the year from our blog...…
Barracuda
by Ivana and Janez - 17th August 2023
Barracuda are extremely attractive, impressive fish. They are carnivores with long lifespans and can live longer than 14 years. The…
Colourful Forests of the Seas
by Ivana and Janez - 28th July 2023
Gorgonias are my favourite soft corals. In my opinion, they are magical; they look like mini trees or bonsais under…
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…
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…
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…
The gentle giants
by Ivana and Janez - 2nd April 2021
Whale sharks are on many diver's bucket lists. I envy any diver that has been lucky enough to see one while diving.…
Guitar sharks, anyone?
by Ivana and Janez - 22nd March 2021
I love many things about diving, but what I love the most is the fact that it means constant learning. There…
Most loved marine mammals
by Ivana and Janez - 15th January 2021
Everyone loves dolphins, and it is probably the dream of most divers to dive with dolphins, the most loved cetaceans.…
Who am I? Saint Pierre
by Ivana and Janez - 3rd August 2020
When I was asked to write about the Saint Pierre fish I had no idea what it was. Then I saw…
Marine Guide to Long-term Relationships
by Ivana and Janez - 8th June 2020
Do you remember the term 'symbiosis' from your biology classes? To refresh your memory, these are interactions between organisms that…
Groupers – The gentle giants of the oceans
by Ivana and Janez - 26th November 2019
Groupers belong to the Serranidae family, which they share with Sea basses, living in the warmer waters of most oceans.…
How a conger eel brought the Serbian and Irish together
by Ivana and Janez - 3rd June 2019
Almost six years ago, on the 9th of June 2013, an Irish diver had a near-death experience whilst diving off…
Appearances can be very deceiving! The Mantis shrimp…
by Ivana and Janez - 18th March 2019
I have always thought that Mantis shrimp are one of the most beautiful creatures you can find and photograph in…
Picasso’s muse?
by Ivana and Janez - 25th January 2019
We learn something new every day. Recently I discovered that the beautiful triggerfish is also known as the Picassofish, the…
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…
Freshwater vs marine diving
by Ivana and Janez - 13th November 2018
For more information on Marine Ecology, check out our friends at SSI! Most of us dive in a marine environment…
Corals are the perfect models
by Ivana and Janez - 4th October 2018
Looking at wonderful, colourful, tropical coral reefs, many people believe that the organisms responsible for these structures are plant based.…
Blowfish, balloonfish, pufferfish, puffers, blowies, toadfish…so which one is it?
by Ivana and Janez - 15th August 2018
The name of a fish order - Tetraodontiformes - does not sound familiar to many, but when we look into…
Hermit crabs against plastic!
by Ivana and Janez - 31st July 2018
Hermit crabs are decapod crustaceans which, like other members of this order, have segmented bodies and very well developed eyes,…
So which one is it? A stonefish or a scorpionfish?
by Ivana and Janez - 24th July 2018
I often get confused between stonefish and scorpionfish and need to remind myself what the differences between them are. Both…
Octopuses – They have it all!
by Ivana and Janez - 22nd June 2018
Who doesn’t like octopuses? They have it all: beautiful, smart and unique. These molluscs are part of the ‘Octopoda’ (eight…
Clownfish
by Ivana and Janez - 3rd May 2018
What’s the world’s most famous fish? Well, I think Clark’s anemonefish is. What’s that you say? Remember Nemo? Well, Nemo…
The Prettiest of Worms
by Ivana and Janez - 4th April 2018
When we think of worms, these colourful, feathery, flower-like creatures are not the first things that come to mind. Their…
Primitive? Maybe. Ugly? Definitely not!
by Ivana and Janez - 26th March 2018
Featherstars are more scientifically known as crinoids – coming from a Greek word meaning ‘lily-like’- so it comes as no…
The Wobbegong Shark
by Ivana and Janez - 16th March 2018
When I first heard the name 'Carpet shark', I thought it was a joke. The name does not sound very…
Mantas – the gentle giants of the seas
by Ivana and Janez - 7th February 2018
Manta rays – the diver's dream. Belonging to the family Mobulidae, there are two species of Manta Ray often seen…
The Lions of the Ocean
by Ivana and Janez - 1st December 2017
Lionfish (Pterois spp) are represented by 12 very closely related species. These majestic and amazing looking fish are among underwater…
The Myth of the Jellyfish
by Mares - 1st September 2017
When I asked my child what jellyfish were, she said they are half fish, half jelly… Well nothing could be…
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…
The secret beauty of Nudibranchs
by Mares - 13th July 2017
Nudibranchs come in many different colours, shapes and sizes. According to various sources, there are between 2000 - 3000 different…
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…