Aqua Club - Ocean University of Sri Lanka

Aqua Club - Ocean University of Sri Lanka The official page of the Aqua Club, as part of the Department of Aquaculture and Seafood Technology, Ocean University of Sri Lanka.

සංක්‍රාන්තික හැරවුමක්,නැවුම් ගමනක  ආරම්භයක්✨️ බත බුලතින් සරු වන ,කිරියෙන් පැණියෙන් ඉතිරෙන,තුන් හෙළ දේශයේ සූර්‍ය මංගල්ලය....
13/04/2025

සංක්‍රාන්තික හැරවුමක්,නැවුම් ගමනක ආරම්භයක්✨️

බත බුලතින් සරු වන ,කිරියෙන් පැණියෙන් ඉතිරෙන,
තුන් හෙළ දේශයේ සූර්‍ය මංගල්ලය.🌾🌞
ලැබුවා වූ මෙ සිංහල දෙමළ අලුත් අවුරුද්ද,ඔබ සැමට සක්‍රීකත්වය,ජය සතුට වඩවන
සුබ අලුත් අවුරුද්දක් වේවා! 🙏

இனிய சிங்கள மற்றும் தமிழ்ப் புத்தாண்டு நல்வாழ்த்துக்கள்!
புத்தாண்டு உங்கள் வாழ்வில் அன்பு, நலம், மகிழ்ச்சி, மற்றும் வெற்றியை நிறைக்கட்டும்!🩵☀️

Wishing you a radiant, graceful, and blessed Sinhala & Tamil New Year.🎉
May this new beginning bring serenity, love, good health, and timeless prosperity to you and your loved ones.🩵☀️

Edit Courtesy 📷 | Pasindu Kaushalya
Post Content ℹ | Thisari Dilinika, Amadhi Geethma

#සාගරේකොවුල්වසන්තය

𝗛𝗮𝗽𝗽𝘆 𝗪𝗼𝗿𝗹𝗱 𝗔𝗾𝘂𝗮𝘁𝗶𝗰 𝗔𝗻𝗶𝗺𝗮𝗹 𝗗𝗮𝘆! 🌊✨ Today, we celebrate the incredible diversity of life beneath the waves, from the vibr...
03/04/2025

𝗛𝗮𝗽𝗽𝘆 𝗪𝗼𝗿𝗹𝗱 𝗔𝗾𝘂𝗮𝘁𝗶𝗰 𝗔𝗻𝗶𝗺𝗮𝗹 𝗗𝗮𝘆! 🌊✨

Today, we celebrate the incredible diversity of life beneath the waves, from the vibrant coral reefs to the mysterious depths of the ocean. 🐠🐬 These aquatic animals play vital roles in maintaining the health of our ecosystems, and it's our responsibility to protect their habitats from pollution, overfishing, and climate change.

Join us in raising awareness about the challenges they face and the importance of conservation efforts. Together, we can ensure that future generations will also marvel at the beauty of our oceans and the creatures that inhabit them. Let's take action today for a sustainable tomorrow!

Edit Courtesy 📷 | Malinda Pabasara
Post Content ℹ |Lasitha Deshan Ariyarathna

𝑻𝒉𝒆 𝑼𝒏𝒔𝒆𝒆𝒏 𝑬𝒚𝒆 𝟏𝟔"𝙎𝙥𝙡𝙖𝙨𝙝 𝙏𝙚𝙩𝙧𝙖" 🐠🪸 A remarkable freshwater fish with a distinctive reproductive habit is the splash tetr...
01/04/2025

𝑻𝒉𝒆 𝑼𝒏𝒔𝒆𝒆𝒏 𝑬𝒚𝒆 𝟏𝟔
"𝙎𝙥𝙡𝙖𝙨𝙝 𝙏𝙚𝙩𝙧𝙖" 🐠🪸

A remarkable freshwater fish with a distinctive reproductive habit is the splash tetra (Copella arnoldi). This little fish is native to South America's slow-moving rivers and streams, especially those in the Amazon and Orinoco basins. It flourishes in waters that are heavily vegetated. For aquarium enthusiasts, this fish is a visually appealing option since it is long and slender, with a silver body that shimmers and fins that frequently reveal shades of red and orange.

The Splash Tetra's reproduction technique is among its most impressive features. The Splash Tetra leaps out of the water to deposit its eggs on overhanging leaves or other objects above the waterline, in contrast to most fish that do it beneath. In this process, the male and female cooperate; once the eggs are laid, the male uses his tail to continually splash water upon them, keeping them moist until they hatch. The eggs' survival rate is raised by this activity, which shields them from water predators.

Splash Tetras need a well-kept aquarium with lots of live plants and soft, somewhat acidic water when kept in captivity. They get along nicely with other small, non-aggressive species in community tanks since they are gentle fish. Small invertebrates, insect larvae, and premium flake or frozen foods make up their diet. They enjoy an aquarium with plenty of room for movement because they are active swimmers.

Aquarists frequently choose Splash Tetras because of their remarkable look and unique breeding technique. One unusual adaption that demonstrates the amazing range of fish behavior in nature is their capacity to jump out of the water and lay their eggs on leaves. Hobbyists can watch and perhaps promote this intriguing spawning cycle in their home tanks by creating the proper conditions.

Edit courtesy 📸 | Janaka Ranathunga
Article by 📝 | Supun Tharuka

𝑻𝒉𝒆 𝑼𝒏𝒔𝒆𝒆𝒏 𝑬𝒚𝒆 𝟏𝟓"𝘽𝙡𝙪𝙚 𝙈𝙖𝙝𝙨𝙚𝙚𝙧 𝙁𝙞𝙨𝙝" 🐠🪸 The freshwater fish species known as the blue mahseer (Neolissochilus hexagonole...
24/03/2025

𝑻𝒉𝒆 𝑼𝒏𝒔𝒆𝒆𝒏 𝑬𝒚𝒆 𝟏𝟓
"𝘽𝙡𝙪𝙚 𝙈𝙖𝙝𝙨𝙚𝙚𝙧 𝙁𝙞𝙨𝙝" 🐠🪸

The freshwater fish species known as the blue mahseer (Neolissochilus hexagonolepis) is a member of the Cyprinidae family, which also contains minnows and carps. This fish is indigenous to South and Southeast Asian rivers and streams, especially those in Thailand, Malaysia, Nepal, India, and Myanmar. It does best in cold, swift-moving, oxygenated waters, which are frequently found in hilly areas. The torpedo-shaped body of the blue mahseer is well-known for assisting it in navigating powerful currents. Its distinctive moniker comes from its enormous, hexagon-shaped scales, which have a bluish-silver sheen.

In terms of ecology, the blue mahseer is essential to preserving aquatic biodiversity. As an omnivore, it consumes insects, small crustaceans, algae, and plant materials. Additionally, the fish is an indicator species, which means that its existence indicates how well the freshwater ecosystem is doing. It is well-known for migrating seasonally, particularly to spawn upstream during the monsoon. The blue mahseer is extremely sensitive to changes in its surroundings since its breeding cycle is directly correlated with the temperature and velocity of the water.

The blue mahseer has great cultural and economic significance. One of the most sought-after game fish in South Asia, its strength and fighting ability make it a valuable catch for fishermen. Because of its strong commercial demand, it is also grown for food in aquaculture in some areas. However, its population has declined as a result of habitat degradation, overfishing, and river pollution. To keep this species from going extinct, conservation measures are being taken, such as habitat restoration and captive breeding initiatives.

Edit courtesy 📸 | Janaka Ranathunga
Article by 📝 | Supun Tharuka

𝙃𝙖𝙥𝙥𝙮 𝙄𝙣𝙩𝙚𝙧𝙣𝙖𝙩𝙞𝙤𝙣𝙖𝙡 𝙎𝙚𝙖𝙡 𝘿𝙖𝙮! 🦭✨ These adorable marine mammals play a vital role in our oceans but face threats from pol...
22/03/2025

𝙃𝙖𝙥𝙥𝙮 𝙄𝙣𝙩𝙚𝙧𝙣𝙖𝙩𝙞𝙤𝙣𝙖𝙡 𝙎𝙚𝙖𝙡 𝘿𝙖𝙮! 🦭✨

These adorable marine mammals play a vital role in our oceans but face threats from pollution and habitat loss. Let’s raise awareness and protect their future! Share your favorite seal facts or pics and spread the love for these incredible creatures!

Edit Courtesy 📷 | Malinda Pabasara
Post Content ℹ |Chandima D Muthunayaka

𝐖𝐨𝐫𝐥𝐝 𝐖𝐚𝐭𝐞𝐫 𝐃𝐚𝐲.💧🌍✨️Water is the essence of life, it provides sustainability to every living thing on our planet. As we ...
22/03/2025

𝐖𝐨𝐫𝐥𝐝 𝐖𝐚𝐭𝐞𝐫 𝐃𝐚𝐲.💧🌍✨️

Water is the essence of life, it provides sustainability to every living thing on our planet. As we celebrate World Water Day, let us take a moment to recognize the importance of clean and sustainable water for all. Every drop counts, and it is our collective responsibility to protect this precious resource for future generations.
By conserving water, reducing pollution, and promoting sustainable practices, we can ensure a healthy planet and a brighter future.

𝑳𝒆𝒕'𝒔 𝒖𝒏𝒊𝒕𝒆 𝒇𝒐𝒓 𝒂 𝒘𝒐𝒓𝒍𝒅 𝒘𝒉𝒆𝒓𝒆 𝒔𝒂𝒇𝒆 𝒂𝒏𝒅 𝒄𝒍𝒆𝒂𝒏 𝒘𝒂𝒕𝒆𝒓 𝒊𝒔 𝒂𝒄𝒄𝒆𝒔𝒔𝒊𝒃𝒍𝒆 𝒕𝒐 𝒂𝒍𝒍! 💙

Edit Courtesy 📷 |Pasindu Kaushalya
Post Content ℹ |Thisari Dilinika Randunu

𝐒𝐚𝐫𝐠𝐚𝐬𝐬𝐮𝐦☘️🌊    "𝙏𝙝𝙚 𝙬𝙤𝙣𝙙𝙚𝙧𝙛𝙪𝙡 𝙝𝙤𝙢𝙚 𝙤𝙛 𝙢𝙖𝙧𝙞𝙣𝙚 𝙡𝙞𝙛𝙚"🐋♥️🪸🌊 The brown macroalgae genus Sargassum offers an intriguing case ...
16/03/2025

𝐒𝐚𝐫𝐠𝐚𝐬𝐬𝐮𝐦☘️🌊

"𝙏𝙝𝙚 𝙬𝙤𝙣𝙙𝙚𝙧𝙛𝙪𝙡 𝙝𝙤𝙢𝙚 𝙤𝙛 𝙢𝙖𝙧𝙞𝙣𝙚 𝙡𝙞𝙛𝙚"🐋♥️🪸🌊

The brown macroalgae genus Sargassum offers an intriguing case study of the intricacies of maritime environments. This seaw**d, which is distinguished by its buoyant, branching structure and unique air bladders, is an important component of coastal habitats, supporting a variety of marine species and, more and more,influencing human activities. Understanding Sargassum is essential to comprehending the dynamics of our oceans, from its historical significance in the Sargasso Sea to its growing presence in other areas.

The Sargasso Sea, a special area of the North Atlantic Ocean that is bounded by ocean currents rather than land borders, is the most famous relationship with Sargassum. Sargassum creates a unique pelagic environment here by forming large, floating mats. For an amazing variety of organisms, this "floating forest" offers refuge, sustenance, and breeding grounds. The dense algal formations provide a haven for juvenile sea turtles, eels, and other invertebrates, allowing them to avoid predators and obtain a plentiful food supply. Sargassum's fundamental function in sustaining biodiversity within various maritime habitats is shown by this connection.

But the impact of Sargassum is not limited to the Sargasso Sea. Sargassum blooms have proliferated in the Caribbean Sea and the Gulf of Mexico in recent years. These massive influxes present a serious ecological and financial problem since they are frequently caused by fertilizer runoff and shifting ocean currents. Excess Sargassum can suffocate beaches, break down and emit harmful gases, and interfere with coastal tourism when it washes up on the shore. It can also affect boat engines, interfere with fishing, and make navigation more difficult. Additionally, the sargassum's breakdown may produce an anoxic environment that is detrimental to marine life.

Sargassum offers prospects for sustainable use notwithstanding its possible drawbacks. Its potential as a fertilizer, animal feed additive, and source of biofuel is being investigated. Its chemical makeup also presents opportunities for the extraction of valuable compounds for use in other industries, such as medicines. By proactively removing the excess before it washes ashore, using these resources could have both positive economic effects and help lessen the negative effects of sargassum blooms.🪸☘️🌊

Edit Courtesy 📷 | Nimsara Pathum Bandara
Post Content ℹ |Kasundi Abeyrathne

Here's to strong, fearless, and unstoppable women everywhere! May we celebrate their strength, honor their achievements,...
08/03/2025

Here's to strong, fearless, and unstoppable women everywhere! May we celebrate their strength, honor their achievements, and continue to uplift and empower each other every day. Happy Women’s Day! ✨💜

Edit Courtesy 📷 | Pasindu Kaushalya
Post Content ℹ |Amadhi Geethma

𝙏𝙝𝙚 𝙄𝙣𝙘𝙧𝙚𝙙𝙞𝙗𝙡𝙚 𝙒𝙤𝙣𝙙𝙚𝙧𝙨 𝙤𝙛 𝙒𝙞𝙡𝙙𝙡𝙞𝙛𝙚! 🦁🌍 Wildlife is essential to the health of our planet, from maintaining ecosystems to...
03/03/2025

𝙏𝙝𝙚 𝙄𝙣𝙘𝙧𝙚𝙙𝙞𝙗𝙡𝙚 𝙒𝙤𝙣𝙙𝙚𝙧𝙨 𝙤𝙛 𝙒𝙞𝙡𝙙𝙡𝙞𝙛𝙚! 🦁🌍

Wildlife is essential to the health of our planet, from maintaining ecosystems to ensuring biodiversity. Every animal, from the smallest insect to the largest mammal, plays a vital role in balancing nature. Unfortunately, they face numerous threats, including habitat loss, poaching, and climate change.

Today, on 𝐖𝐨𝐫𝐥𝐝 𝐖𝐢𝐥𝐝𝐥𝐢𝐟𝐞 𝐃𝐚𝐲, let’s raise awareness and take action to protect these magnificent creatures. Every small step counts supporting wildlife conservation, reducing our carbon footprint, and spreading the word can help protect wildlife for future generations. Our world depends on them, and so do we! 💚🌏

Edit Courtesy 📷 | Pasindu Kaushalya
Post Content ℹ | Pasindu Kaushalya

𝙏𝙝𝙚 𝙃𝙞𝙙𝙙𝙚𝙣 𝙃𝙚𝙧𝙤𝙚𝙨 𝙤𝙛 𝙩𝙝𝙚 𝙊𝙘𝙚𝙖𝙣! 🌊✨Seagrasses may not always get the spotlight, but they are among the most powerful ecos...
01/03/2025

𝙏𝙝𝙚 𝙃𝙞𝙙𝙙𝙚𝙣 𝙃𝙚𝙧𝙤𝙚𝙨 𝙤𝙛 𝙩𝙝𝙚 𝙊𝙘𝙚𝙖𝙣! 🌊✨

Seagrasses may not always get the spotlight, but they are among the most powerful ecosystems on Earth. These underwater meadows act as the “𝙡𝙪𝙣𝙜𝙨 𝙤𝙛 𝙩𝙝𝙚 𝙨𝙚𝙖”, producing oxygen, providing shelter for marine life, and storing massive amounts of carbon helping to fight climate change. They also protect coastlines from erosion and keep our waters clean. Yet, they are disappearing at an alarming rate due to pollution, coastal development, and climate change.

Today, on 𝙒𝙤𝙧𝙡𝙙 𝙎𝙚𝙖𝙜𝙧𝙖𝙨𝙨 𝘿𝙖𝙮🍃, let’s raise awareness and take action to protect these vital ecosystems. Every effort counts reducing plastic waste, supporting marine conservation, and spreading the word can help save seagrasses for future generations. Our oceans depend on them, and so do we! 💙🌍

Edit Courtesy 📷 | Pasindu Kaushalya
Post Content ℹ |Pasindu Kaushalya

𝙆𝙚𝙡𝙥 𝙁𝙤𝙧𝙚𝙨𝙩𝙨 𝟬𝟮"𝐓𝐡𝐞 𝐎𝐜𝐞𝐚𝐧'𝐬 𝐒𝐞𝐜𝐫𝐞𝐭 𝐂𝐥𝐢𝐦𝐚𝐭𝐞 𝐖𝐚𝐫𝐫𝐢𝐨𝐫𝐬🌿🌊"What are kelp forests? Picture an underwater city with golden-brow...
17/02/2025

𝙆𝙚𝙡𝙥 𝙁𝙤𝙧𝙚𝙨𝙩𝙨 𝟬𝟮
"𝐓𝐡𝐞 𝐎𝐜𝐞𝐚𝐧'𝐬 𝐒𝐞𝐜𝐫𝐞𝐭 𝐂𝐥𝐢𝐦𝐚𝐭𝐞 𝐖𝐚𝐫𝐫𝐢𝐨𝐫𝐬🌿🌊"

What are kelp forests? Picture an underwater city with golden-brown stalks reaching for the sun in a maze of life. Kelp forests are not plants, they're giant algae that grow up to 2 feet a day in cool, nutrient-rich waters. Along temperate coasts from California to Tasmania, these "underwater jungles" provide shelter for seals, otters, sharks, and a myriad of fish species.

Kelp forests absorbs CO₂ 20x faster per acre than land forests, locking it away in "blue carbon" ecosystems. They also produce oxygen every second breath you take comes from the ocean courtesy of algae like kelp. From tiny shrimp to gray whales, kelp is home to thousands of species. It's a nursery for fish, a smorgasbord for sea otters, and a hunting ground for sharks. Take away the kelp, and whole food webs collapse. Also Their deep roots protect shorelines from storms, holding off erosion and keeping communities safe. No kelp? Say hello to fiercer floods and disappearing beaches.

Kelp forests are disappearing at alarming rates. Warmer oceans Heat waves disrupt nutrient cycles-starving kelp.Runoff smothers them in sediment and chemicals.Overfishing predators-like sea otters-lets urchins explode, devouring kelp like locusts. In Tasmania, 95% of the kelp forests have died since 2010. California lost 90% of its bull kelp in just 8 years.

Scientists and communities are fighting back with various actions. Such as Urchin Ranching or Harvesting invasive urchins for eco-friendly sushi, Marine Reserve by Protecting kelp zones from overfishing and Kelp Restoration by Replanting spores and deploying drones to map healthy beds.

Kelp forests are not just the *prettiest* sea w**d there is; in a way, their survival equates to ours. Time for us to reverse the tides.🌊🩵

Edit courtesy 📸 | Nimsara Pathum Bandara
Article by 📝 | Sachin Paul

15/02/2025

🌊🔬Rare Deep-Sea Anglerfish Captured on Film in Broad Daylight🤯🐠

A Spanish shark research organization may have recorded the first-ever footage of a rare deep-sea anglerfish swimming in daylight. The extraordinary sighting occurred off the coast of Spain’s Canary Islands last week, during an expedition by Condrik Tenerife, a group dedicated to studying sharks and stingrays.
David Jara Boguñá, a photographer on the expedition, spotted the elusive humpback anglerfish, also known as the black sea devil. Typically found at depths of up to 1,500 meters, where sunlight does not pe*****te, this species is rarely seen near the ocean’s surface.
"This could be the first recorded sighting in the world of an adult black sea devil alive, in broad daylight and on the surface," Condrik Tenerife announced in an Instagram post.
The team was conducting research on pelagic sharks when they encountered the anglerfish. The species, named the black devil due to its dark coloration, sharp teeth, and ominous appearance, has fascinated marine biologists for years.

A Mysterious Sighting

Condrik researchers observed the fish for approximately an hour before it perished. It was then transported to the Museum of Nature and Archaeology in Tenerife for further study. Scientists have yet to determine the reason behind its unusual presence in shallow waters.
Oceanographic Magazine noted that some researchers speculate that El Niño weather patterns, which reduce cold water upwelling, could have played a role. Others suggest it may have been unwell or escaping a predator.
Marine biologist Laia Valor, who was part of the expedition, recounted the moment of discovery: "We were returning to port when I saw something black in the water that didn't look like plastic or debris. It seemed unusual. There could be thousands of reasons why it was there. We simply don’t know. It’s an extremely rare and isolated sighting."

A Lethal Predator of the Deep

The female humpback anglerfish is equipped with a bioluminescent lure teeming with bacteria, which it uses to attract prey in the pitch-black depths of the ocean.
Condrik researchers likened this feature to the depiction of anglerfish in the 2003 animated film Finding Nemo, where a similar deep-sea predator lures in its prey with a glowing appendage.
Melanocetus johnsonii, the scientific name for this species, was first discovered in 1863 by English naturalist James Yates Johnson near Madeira, off northwestern Africa. The specimen was later studied by Albert Carl Ludwig Gotthilf Günther, a zoologist at the Natural History Museum in London, who described it as an extraordinary new genus, distinguished by its lack of pelvic fins and its bizarre morphology.
This unprecedented sighting adds another layer of intrigue to the mysterious world of deep-sea creatures, raising further questions about their behavior and adaptability in changing oceanic conditions.

Article by 📸 | Damith Pasindu

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