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S.U.P.E.R. Part 16: Fantasea Housing for the Canon G7X MKII

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Canon G7X MKII

In our ongoing series S.U.P.E.R. (Scubaverse’s Underwater Photography Equipment Reviews), Scubaverse.com’s underwater photography editors Nick and Caroline Robertson Brown review new underwater photography equipment, general diving equipment, and some older favourites too. 

For the sixteenth instalment of S.U.P.E.R., Nick and Caroline take a look at the new housing from Fantasea for the Canon G7X MKII.

Canon G7X MKIIFantasea are producing some great housings that are tremendous value for money at the moment. Recent improvements to the design mean that now the housings have a 67mm thread on the front to make using wet lenses easier. In addition to this, the housings have a cold shoe mount which is great for adding a focusing light to the system. Included with this housing comes some essential accessories like a moisture alarm, hand strap and protective port cover – all features than can sometimes mean you get hit for extra £££. It is depth rated to 60m too. All very impressive for a housing that costs less than £500.

I took it along to our favourite place for testing out new gear, Capernwray, to see what it was like to use. As always with these tests, I put on my 5mm gloves to make sure that the system works OK for those who like their diving in cooler waters, and not just for tropical underwater photography. As the sturgeon are still congregating in one place, we spent much of our dive sat at 6m with these enigmatic fish. To fight the gloom, I attached an INON Grip Base and telescopic arm, a Z-240 strobe, fired via fibre optic cable, to the system. I also used the Fantasea Radiant 1000x spotting light, mounted, neatly in the cold-shoe mount. The grip base meant I did not use the hand strap that comes with the housing, but having used this with a similar housing, I know they work just fine.

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The camera itself is one of the top compact cameras on the market at the moment. It features a 24-100mm equivalent lens and its biggest selling point is the large 1-inch 20.1 megapixel sensor. The most important feature in any housing, for me, is the ability to access all the controls without too much fuss underwater. This is certainly the case for the Fantasea housing. The housing has 2 control knobs that can be used to change aperture and shutter speed, and I setup the menu button to be ready on ISO should I want to make any changes. All the buttons are clearly labelled and are wide enough to use even with thick gloves without any problem. If you forget to pop up the flash before you get into the water – no problem – you can do this whilst you are underwater.

I really enjoyed using the system, which is really straight forward and simple to use, and look forward to getting it back in the water to try with some wet lenses. It is small and tidy, but with that has not lost any functionality or the ability to add to the system with lights, strobes and lenses. Be careful with wide angle lenses with this setup, as some are not compatible with the Canon G7X mkII, so do not assume that an existing lens you might already own will work on this system too.

This camera and housing system is fun and easy to use. The Fantasea housing offers real value for money, with plenty of useful features thrown in.

www.fantasea.com

Fantasea is distributed in the UK by www.blue-orb.uk.

For more from Nick and Caroline, visit www.frogfishphotography.com.

Nick and Caroline (Frogfish Photography) are a married couple of conservation driven underwater photo-journalists and authors. Both have honours degrees from Manchester University, in Environmental Biology and Biology respectively, with Nick being a Fellow of the Royal Photographic Society, a former high school science teacher with a DipEd in Teaching Studies. Caroline has an MSc in Animal Behaviour specializing in Caribbean Ecology. They are multiple award-winning photographers and along with 4 published books, feature regularly in the diving, wildlife and international press They are the Underwater Photography and Deputy Editors at Scubaverse and Dive Travel Adventures. Winners of the Caribbean Tourism Organization Photo-journalist of the Year for a feature on Shark Diving in The Bahamas, and they have been placed in every year they have entered. Nick and Caroline regularly use their free time to visit schools, both in the UK and on their travels, to discuss the important issues of marine conservation, sharks and plastic pollution. They are ambassadors for Sharks4Kids and founders of SeaStraw. They are Dive Ambassadors for The Islands of The Bahamas and are supported by Mares, Paralenz, Nauticam and Olympus. To find out more visit www.frogfishphotography.com

Marine Life & Conservation Blogs

Creature Feature: Undulate Ray

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In this series, the Shark Trust will be sharing amazing facts about different species of sharks and what you can do to help protect them.

This month we’re looking at the Undulate Ray. Easily identified by its beautiful, ornate pattern, the Undulate Ray gets its name from the undulating patterns of lines and spots on its dorsal side.

This skate is usually found on sandy or muddy sea floors, down to about 200 m deep, although it is more commonly found shallower. They can grow up to 90 cm total length. Depending on the size of the individual, their diet can range from shrimps to crabs.

Although sometimes called the Undulate Ray, this is actually a species of skate, meaning that, as all true skates do, they lay eggs. The eggs are contained in keratin eggcases – the same material that our hair and nails are made up of! These eggcases are also commonly called mermaid’s purses and can be found washed up on beaches all around the UK. If you find one, be sure to take a picture and upload your find to the Great Eggcase Hunt – the Shark Trust’s flagship citizen science project.

It is worth noting that on the south coasts, these eggcases can be confused with those of the Spotted Ray, especially as they look very similar and the ranges overlap, so we sometimes informally refer to them as ‘Spundulates’.

Scientific Name: Raja undulata

Family: Rajidae

Maximum Size: 90cm (total length)

Diet: shrimps and crabs

Distribution: found around the eastern Atlantic and in the Mediterranean Sea.

Habitat: shelf waters down to 200m deep.

Conservation Status : As a commercially exploited species, the Undulate Ray is a recovering species in some areas. The good thing is that they have some of the most comprehensive management measures of almost any elasmobranch species, with both minimum and maximum landing sizes as well as a closed season. Additionally, targeting is entirely prohibited in some areas. They are also often caught as bycatch in various fisheries – in some areas they can be landed whilst in others they must be discarded.

IUCN Red List Status: Endangered

For more great shark information and conservation visit the Shark Trust Website


Image Credits: Banner – Sheila Openshaw; Illustration – Marc Dando

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Guarding Against Coral Invaders

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coral

Protecting (Dutch) Caribbean Reefs from Unomia stolonifera

Recent reports highlight the concerning spread of the invasive soft coral, Unomia stolonifera, currently devastating Venezuela’s marine ecosystems and detected in Cuba. With the potential threat of its expansion to the (Dutch) Caribbean islands, urgent action and awareness are essential to safeguard marine biodiversity and local economies from possible catastrophic consequences.

Invasive species are animals or plants from another region of the world that don’t belong in their new environment. These species can have major ecological effects by decimating native flora or fauna. They can also cause large economic losses and impact human health. Invasive species also pose a significant threat to marine ecosystems worldwide, including the Dutch Caribbean. Among these invaders is the octocoral species Unomia stolonifera or “Pulsing Xenia”, originally from the Indo-Pacific. With its rapid growth and lack of natural predators, this species can outcompete native species and disrupt fragile marine habitats such as seagrass beds and coral reefs.

Background

The invasive soft coral U. stolonifera was first identified in 2014, off the coast of Venezuela. It is believed to have been introduced via the illegal aquarium trade.  Since this species can reproduce sexually and asexually (or fragment), even small pieces can regenerate to spread.  Once introduced it quickly took over shallow reefs and hard substrate at depths of 0-50 meters, outcompeting local corals and seagrass for space.  Follow on surveys found that this coral species exhibited average percentage cover as high as 80%, vastly outcompeting native corals. In highly colonized areas, fish are disappearing due to loss of habitats.

In 2022, during a survey conducted in Cuba by the University of Havana, an unknown octocoral was discovered which was later identified as the invasive Unomia stolonifera. It is suspected that the coral larvae arrived in ballast water from fossil fuel ships originating from Venezuela, as nearby sites adjacent to Venezuelan ports have been heavily affected by the invasion.

How to help

Prevention through continuous monitoring, particularly in high-risk areas such as marine harbors and oil facilities, is paramount. Early detection plays a pivotal role in mitigating the threat posed by Unomia stolonifera.

The public’s involvement and awareness are also vital. Local communities, recreational divers, tourists, and all stakeholders are urged to participate in early detection efforts by reporting sightings (photo, location and date) of this invasive coral to their respective Protected Area Management Organization (PMO’s)- the Fundacion Parke Nacional Aruba (FPNA)STINAPA BonaireCARMABI Curaçao Saba Conservation Foundation (SCF)Nature Foundation St. Maarten (NFSXM) and St. Eustatius National Parks (STENAPA). If an invaded area is confirmed, follow the recommendations by the local PMO’s.

Keys to Success

Despite the challenges, early detection is key to mitigating the threat posed by Unomia stolonifera. With continued vigilance, research, and community engagement, there is hope for containing this potential issue before it becomes a major threat.

About the DCNA

The Dutch Caribbean Nature Alliance (DCNA) supports (science) communication and outreach in the Dutch Caribbean region by making nature related (scientific) information more widely available through amongst others the Dutch Caribbean Biodiversity Database, DCNA’s news platform BioNews and through the press. This article contains the results from several scientific studies but the studies themselves are not DCNA studies. No rights can be derived from the content. DCNA is not liable for the content and the in(direct) impacts resulting from publishing this article.

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