News
UN World Oceans Day Photo Competition
The UN World Oceans Day Photo Competition is open and free! The competition seeks to inspire the creation of imagery capturing the beauty, the challenges and the importance of the ocean and humankind’s relation to it, hoping to contribute to actions to preserve this vital resource.
The photo competition has six thematic categories open for submissions:
- Ocean Life & Livelihood
- Above Water Seascapes
- Underwater Seascapes
- Digital Ocean Photo Art
- Faces of the Sea
- Oceanic Discoveries
Ellen Cuylaerts, UN World Oceans Day Photo Competition Curator said: “This is a call-out to all image-makers to enter the eighth edition of the United Nations World Oceans Day Photo Competition. Who could have imagined a year ago that many parts of the world would still be experiencing restrictions? Many of us are longing for ocean time, encounters that amaze us, humbling experiences we might cherish more than before. The absence starts aching. So what better way to prepare for new, maybe local, adventures and images than diving into your image library and entering the competition while contemplating how we can make a difference and contribute to conservation and preservation of ocean life and livelihood?
In the 2021 edition, we are keeping our classic categories “Above Water Seascapes” and “Underwater Seascapes”; every year, the images entered create a dream value that connects every soul to the cradle of life. “Digital Ocean Photo Art” gives you the chance to be creative with imagination and expression without boundaries within opportunities or processing! The theme of this year’s UN World Oceans Day, “Ocean Life & Livelihood,” and the other new categories, “Faces of the Sea” and “Oceanic Discoveries,” are wide open to the photographer’s interpretation and artistic view. Show us what these words mean to you and give our panel of esteemed judges a hard time choosing this year’s winners!
Just like last year, we are asking every participant to agree to our charter of ethics in underwater photography (see below). We hope that this charter will be an example for many competitions around the world, inviting photographers not just to enjoy the oceans but to lead by example and be true ocean ambassadors.”
Winning images will be recognized at the United Nations on June 8th during the United Nations’ event marking World Oceans Day 2021.
All entries must be submitted by April 30th, 2021 at 12 midnight Eastern Standard Time (EST).
For more information on the rules, judges, and how to enter visit the dedicated Dive Photo Guide website by clicking here.
Marine Life & Conservation Blogs
Creature Feature: Undulate Ray
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
Blogs
Guarding Against Coral Invaders
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 Bonaire, CARMABI 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.
-
Blogs3 months ago
‘Simply the Best’ – Quintessential Red Sea Diving
-
News2 months ago
Hone your underwater photography skills with Alphamarine Photography at Red Sea Diving Safari in March
-
News1 month ago
Capturing Critters in Lembeh Underwater Photography Workshop 2024: Event Roundup
-
Marine Life & Conservation Blogs2 months ago
Creature Feature: Nurse Sharks
-
News2 months ago
Join Lembeh Resort’s Macro Photography Workshop with Scott Gutsy Tuason this April
-
Miscellaneous Blogs3 months ago
Book Review: The Lives of Seaweeds
-
Marine Life & Conservation Blogs1 month ago
Creature Feature: Swell Sharks
-
Blogs2 months ago
A day in the life of Marsa Shagra with Sea to Sky