Happy Freaky Fact Friday!

Tessa Dawson • 30 August 2019

In August we featured the reproductive lives of Whalesharks and Pipefish, the deep sea dwelling Viperfish, parasitic Lamprey, and the evolutionary models that are lungfish.

The Reproductive Lives of Whaleshark

30th August 2019

It's International Whale Shark Day so let's smash that and Freaky Fact Friday together! We are lucky enough to have the biggest fish in the ocean as a common sight, especially in the first quarter of the year. They can reach massive lengths, up to 12m (40 ft), that's about half the length of an Olympic swimming pool!

They cover huge distances of around 8000 miles every 3 years but we actually know very little about their migratory and reproductive behaviour. It was only in 19 95 that it was discovered that they are ovoviviparous, meaning that the female produces young by means of eggs, these are stored in her body where they hatch, and the young enter the world fully formed. Young whale sharks are vulnerable and due to the very low number of small whale sharks seen it is thought that over their first few years particularly they grow incredibly rapidly, a fully grown whale shark has few natural enemies!


The Deep-Sea Dwelling Viperfish

23rd August 2019

We can't stay away from the deep sea dwelling species for very long, they're just so cool looking! Today it's all about the Viperfish (Genus: Chauliodus).

During the day these fish can be found as deep as 5000 feet, whereas during the night they may travel shallower to approx 250 ft. Darkness is their friend as they have a long dorsal spine with a photophore on the end, a light-emitting organ which they use to lure their prey just like a fishing rod. They are incredibly fast which helps them launch themselves at their unsuspecting prey, it is thought that they may be able to move two body lengths per second!

As can be seen in the photo above these fish boast the biggest teeth of any fish on earth relative to their head size! In fact their teeth won't even fit inside their mouth, when their jaws are closed the lower front teeth extend out above the upper jaw towards the eyes. As if that wasn't scary enough if this fish has eyes too big for its stomach it's not a problem as it has a hinged skull which can be rotated back to allow for a larger mouthful! Fascinates and gives us the heebie jeebies in equal measure! You can learn more here.


The Reproductive Behaviour of Pipefish

16th August 2019

Today we are looking at the atypical world of reproduction in pipefish (Syngnathinae). Pipefish are from the same family as seahorses, and similarly it is the male that takes the brunt of the reproductive care.

Pair bonding differs hugely between pipefish species, some are monogamous for life, others only for a season, some are polyandrous (a rare mating system where the female breeds with more than one male), and a couple are polygynandrous (where both males and females have multiple mating partners). In polygamous systems it is usually the male that must compete and therefore they are the ones that sport fantastic plumage, a mane, or antlers, however in polyandrous species this is reversed. Females of polyandrous pipefish for example feature brightly coloured ornaments to help them compete and attract more males.

After a courtship dance the female deposits her eggs via an ovipositor, in some species these eggs are stuck to a particular area of the male, in others the male has a pouch. The male then fertilises the eggs and shakes his pouch vigorously to ensure they are in place and make room for more eggs. The male is then responsible for ensuring that his brood receives all the necessary nutrients. This is very helpful for the female as she can immediately focus her energies on producing more eggs. When ready the male shakes his body and releases the young from a wide seam, they are born free-swimming and independent.

Why not check out the video above which shows the banded pipefish, a great example of a monogamous species.


The Parasitic Carnivorous Lamprey

9th August 2019

Today we are looking at Lampreys (order: Petromyzontiformes). Approximately half of the 38 species are parasitic carnivorous,and drink blood by latching onto their hosts and boring into their body. As can be seen in the picture above they have a set of gnashers which are the stuff of nightmares, they also have a tongue with hard plates which they can use to scrape away the skin, shudder!

Some species live in freshwater their entire lives, but others migrate to the sea, spending up to four years there before returning to freshwater to spawn. They first create nests, called 'redds', the female then releases thousands of eggs, which the male fertilises simultaneously. They are semelparous, meaning that after this one reproductive act they die. Rather harsh we know, but by doing this they can commit all of their resources to this one act, and typically produce more offspring than non-semelparous species (you can learn more about this here ). Do take a look at these little beauties for yourself in a NatGeo Wild documentary here.


The Evolutionary Models, Lungfish

Happy Freaky Fact Friday everyone! Today we are looking at the evolutionary models that are Lungfish ( Rhipidistia , subclass Dipnoi ), this is because lungfish feature both gills and a lung! 5/6 species' gills are in fact now so atrophied that they can no longer rely on these for breathing and they must breath air. This is possible because their swim bladder, which in fish usually aids buoyancy, has evolved to work as a lung. Unlike other fish that are able to breath, their 'lung' is much more advanced with multiple air sacs, allowing for greater gas exchange.

As shown in this video , lungfish have adapted to the harsh droughts of Africa by being able to survive for months out of water. They achieve this by burrowing down into the mud, and secreting a foamy substance which creates a cocoon, protecting them from dehydration, but still allowing for gas exchange. They then go into estivation: the summer version of hibernation, where they slow their metabolic rate down to as little as 1/60th of their norm!

by Harriet Tyley 15 December 2020
We would love to learn some more about you, how you found our Scholarship Programme and how it has helped you achieve your goals in the Philippines since graduating! 1) What year did you join the Scholarship Programme? I joined the Coral Cay team in Napantao, Southern Leyte from August to September 2016. In June 2017, I also came back to Coral Cay to help in survey dives for three weeks. Glad to have been given the chance to stay in the base twice with two different groups! 2) Could you please tell us a bit more about yourself? For example, what are your interests, where abouts in the Philippines are you from? etc. I am Carm, a development professional working in the intersection of environmental conservation and human development. I currently work for the Department of Agriculture, helping run projects that aim to improve protected area management in selected key biodiversity sites, at the same time, improve the socio-economic condition in the nearby coastal communities. Aggregation of whalesharks and manta rays are common in where I am currently based so it is a really exciting place to be! I am a Divemaster candidate looking to go “Pro” and I’m also in graduate school studying marine affairs. I love to cycle, hike, climb, fish, camp, discover new places, volunteer in causes, read non-fiction and watch silly rom-coms in my other time.
by Harriet Tyley 7 December 2020
We would love to learn some more about you, how you found our Scholarship Programme and how it has helped you achieve your goals in the Philippines since graduating! What year did you join the Scholarship Programme? I was a Filipino scholar in August of 2013. Could you please tell us a bit more about yourself? For example, what are your interests, whereabouts in the Philippines are you from? etc. My name is Ara and I was born and raised in Manila. I grew up in a family of entrepreneurs and weekends would be spent in my grandparents house talking about business over lunch. The fast-paced life of the city was all I ever knew. In University, I took up Communication Technology Management and Minored in Marketing because I also wanted to start my own business someday. As I grew older, I had a constant need to get out of Manila and just travel. When I was not working, I would be exploring some remote island in the Philippines or visiting neighboring countries in Asia. In the past 15 years, I have held job titles like photographer, store manager, photo editor, production manager, operations manager, jewelry maker, mug maker, and now a business owner. Despite the frequent changes in job descriptions and careers, being a traveler, and now a scuba diver, are the only things that have remained constant in my life. What was it about Coral Cay Conservation that made you decide to apply for the scholarship programme? I learned about Coral Cay Conservation from one of my best friend and travel buddy, Jem. One day we were discussing where we could go next and she told me that she would not be available on certain dates because she got accepted as a dive scholar in Coral Cay Conservation. She told me that will be gone for a month doing reef surveys in Napantao, Southern Leyte. I had never heard of Coral Cay Conservation nor of a place called Napantao until that moment, so this peaked my interest even more. One month learning about the conservation and diving almost everyday for free? It seemed to good to be true! The more I read about the scholarship programme, the more I wanted to join. I have always wanted to learn scuba diving but kept pushing it down my bucket list. The idea of learning how to scuba dive for free in my own country was really a no-brainer for an ocean-lover like myself. I knew right away I couldn’t pass up on this opportunity.
by Harriet Tyley 1 December 2020
Hi Daff, we would love to learn some more about you, how you found our Scholarship Programme and how it has helped you achieve your goals in the Philippines since graduating! 1) What year did you join the Scholarship Programme? I joined the CCC Scholarship Program in November of 2016. I learned about the program from a few acquaintances. It took me at least a year to finally apply and see where it takes me. During that time, I was working with the Department of Tourism. I had a good number of projects that involved eco-tourism, fisheries management, and marine conservation, which kind of made me decide to try and apply. It only took a couple of months for the head office to get me on board and informed me that I was accepted! It was a long trip to Napantao but I enjoyed it since it was my first time in that part of the country. When I arrived, I was met by Claire (field base manager), and of course, the ever-welcoming Coral and Shrimp! 2) Could you please tell us a bit more about yourself? For example, what are your interests, where in the Philippines are you from? etc. I grew up in a small town in Iloilo. We were living fairly in the middle of farmlands and the sea. As a result, most of the people in my place are either farmers or fishermen. My interest in the environment started way back when I was a kid and eventually became more involved as I got my education. I spent two years in a fisheries school where I studied during the first half of my high school. I eventually got into the outdoor movement, which brought me to mountain and cave explorations. It made me appreciate the world and the things around it more. It also gave me a better perspective on how we can help and do better in protecting the environment. During my professional career, I first got into research where I had the opportunity to work with fishing communities. There, I was able to experience first-hand how our oceans are under threat due to climate change and human activities.
by Harriet Tyley 24 November 2020
We would love to learn some more about you, how you found our Scholarship Programme and how it has helped you achieve your goals in the Philippines since graduating! 1) What year did you join the Scholarship Programme? I joined Coral Cay Conservation’s Scholarship Program this year, 2020, specifically last March. And it’s probably the best thing that’s ever happened to me. I will forever thank myself for applying for it because it was such a beautiful opportunity. 2) Could you please tell us a bit more about yourself? For example, what are your interests, where abouts in the Philippines are you from? etc. Well, my name is Easter and that’s because I was born on Easter Sunday. I live in the small town of Hilongos Leyte, just two or more hours away from Southern Leyte. And just as how every other kid that grew up in a province with the beach just a walk away, I, too, grew up loving it. I remember just being in the water and finding comfort in it. I started taking swimming classes in Cebu City every summer I get the chance too, and I remember feeling so new to the feel of the pool, my swimming cap, and goggles. I never really wore these in the beach, my siblings and I would literally swim with or without goggles with our eyes wide open. I competed twice and didn’t do badly for a beginner. The city has a special spot in my heart because, before coming to Coral Cay, I worked at Turtle’s Nest Book Café & Gallery in Lahug. I worked behind the bar there and made cheap coffee while entertaining locals, regulars, and tourists. I guess I just love amusing people and learning about them. 3) What was it about Coral Cay Conservation that made you decide to apply for the scholarship programme? I found out about Coral Cay Conservation when I googled environmental conservation organizations near me. At the time, I was still in school but had already decided on taking a different path. I’ve always wanted to learn more about conservation, but the expenses in volunteering camps always hindered me until I saw Coral Cay Conservation’s Scholarship Program. I read what it included and what it did not and got excited about learning about corals! I’m not going to lie but during this time I didn’t know corals are animals, so, that got me so hooked and I just started reading about it! And since this was CCC’s specialty, I decided to apply. 4) What was the most exciting part of your scholarship placement? And what were your favourite moments? The most exciting part of the scholarship was scuba diving. I had only ever seen it in movies, the Discovery Channel or on National Geographic. I never thought I would be ever be learning about it and doing scuba diving myself. Also, because it made me see a part of the underwater world that I only ever hear in the news, see in movies, and read in books. And I have so many favorite moments with CCC, a few would be the pointy dives, dinner talks, Sundays when we’re supposed to be dry but we’d still choose to snorkel to see more of what’s under, and, honestly, just the whole of it! I have never been in a place with so much understanding and learning and good food and people! 5) What would you say to people thinking of applying to Coral Cay Conservations scholarship programme? Any words of wisdom or advice!? To anyone who’s planning to apply for Coral Cay Conservation’s Scholarship Program, please do. You’re going to learn a whole lot (more) about the ocean, the reefs, our planet, people and culture from different corners of the world, and butterflyfish! Do it. It’s going to be worth it! 6) Since finishing your scholarship with Coral Cay Conservation, where has life taken you? How have the skills and experience received from the scholarship benefited you since graduating? Given the current situation now, with COVID-19 and the halt to almost everything, I haven’t really done much since graduating. But I now have more confidence about the path I want to take and am in. With this, I revamped the organization—Kuntahay—that I started in September last year. Kuntahay is a Visayan term for “imagine” and with and through it, I want people to see the beauty of both under and above water. It also follows the conscious and careful lifestyle, hoping to encourage more people to be in the fight against climate change and systemic oppression. And the skills and experience that I have acquired in CCC have truly benefited me in some ways. I can now identify fishes, corals, coral bleaching and diseases! And when my friends and I go snorkeling in the neighboring town that has a dying/growing reef in it, I would share with them the exciting parts! But right now, I’m looking forward to enrolling to Marine Biology next school year, and it’s such a relief to be looking forward to something I know I actually want to pursue because I’ve been in and out of school for a while now, due to not having a clear idea of where I really want to go. But ever since my time in CCC, I’ve been introduced to new things and re-introduced to, what I believe I have nearly forgotten about in my years of being in the city, the ocean and its importance.
by Harriet Tyley 3 November 2020
Biodiversity Restoration David Attenborough: A Life On Our Planet, opens our eyes to truths many of us have tried to ignore. Our planet is changing at an accelerated and unprecedented rate, and it is up to us to try and change this uncertain trajectory. Biodiversity loss is considered to be one of the severest threats to our environment, and without action, over half the world’s marine species could be nearing extinction by 2100. The ocean is home to over 90% of the habitable space on our planet, but only about 5% of the worlds ocean and adjacent seas are protected, compared to 12% of the worlds land . 50% of the oxygen on our planet is created in the ocean , by microscopic phytoplankton, which forms the very base of the marine food chain and enables life. The ocean is a critical carbon sink, and the blue carbon locked in our marine habitats may be up to 5 times the amount of carbon stored in tropical forests . And unfortunately, it is thought that between 3 0-35% of global critical marine habitats (seagrass, coral reefs and mangroves) have been destroyed.
by Harriet Tyley 27 October 2020
David Attenborough: A Life On Our Planet, reflects on previous trips to coral reefs, which were once colourful, vibrant, and full of life. When returning to these exact reefs however, he notices a very stark contrast in the corals appearance; they are white. But what is coral bleaching and why is it something that we should be aware of, and increasingly concerned about? What is a coral? For many, corals are a confusing organism: Is it a rock, a plant, or an animal? Corals are marine invertebrates in the class Anthozoa, of the phylum Cnidaria, which also includes jellyfish, hydroids (Portuguese men-of-war), sea anemones and sea fans! Corals are sessile animals, and once their larval stage is complete, are permanently attached to the ocean floor. When we think of a coral, we are not really thinking about an individual coral, but in fact a colony of corals, made up of thousands of individual polyps! In reef-building corals, these soft-tissue polyps secrete a hard-outer skeleton made up of calcium carbonate, which over millions of years creates vast expansive biological structures that can sometimes be seen from space ! Producing and secreting these calcium deposits is energetically costly, so corals have evolved a unique symbiotic relationship with an algae called zooxanthellae. These microscopic algae reside within the coral tissue and create energy via photosynthesis. An incredible 90% of the organic material produced photosynthetically by zooxanthellae can be transferred to the host coral , giving the coral sufficient energy to live, thrive and grow! Why are corals valuable? Coral reefs cover less than 0.1% of the oceans floor but house a staggering 25% of the oceans biodiversity! Corals provide a wealth of eco-system services, acting as nursery habitats for commercially valuable species, providing a source of primary protein for coastal communities, creating a source of income through tourism and recreation, and also protecting coastal areas from storm surges. It is estimated that the economic goods and services provided by coral reefs amount to an annual value of $375 billion! Corals have been around for millions of years and have even survived global mass extinctions, but due to raising ocean temperatures the future of corals is scarily uncertain – and this is largely due to coral bleaching.
by Harriet Tyley 19 October 2020
‘Knowledge is like a vast ocean. It is inexhaustible quest!’ – Lailah Gifty Akita 
by Tom Dallison 21 April 2020
We've taken some time to catch up with one of our previous Science Officers, Jasmine. Here we quiz her on what she's been up to since CCC, her favourite elements of the role and some advice for up-and-coming Marine Conservationists.
by Rachel Knowles 21 April 2020
Santa Paz Norte National High School held an Environmental Action Day to achieve their Gold Sea Star award!
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