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SONAR TECHNOLOGY FOR FISH COUNTING
During Alaska stream research, teams developed an automated salmon-counting system to track fish in sonar video and reduce reliance on manual countingAlaska's manual salmon counting techniques are laborious and expensive. To improve efficiency, new computer vision algorithms are under dev...- In 2019, Australia lowered a 58-ton concrete greenhouse into the Great Barrier Reef; the 12-metre underwater structure became a living artwork and coral habitatNestled beneath the waves near John Brewer Reef in Australia lies an innovative Coral Greenhouse sculpture crafted from pH-neutral cement, ...
- In 1992, Congress authorized the removal of 2 dams that had blocked salmon for a century. 24 years later, the Elwha River once again flowed freely from the Olympic Mountains to the seaElwha River Restoration changed one of America’s most remarkable river recovery stories. Two dams once blocked salmon from reaching upstrea...
- In Chicago, a Shedd Aquarium-backed team built floating gardens, and after years on the Chicago River, they've now spread to Bubbly CreekIn Chicago's Bubbly Creek, innovative floating wetlands are taking center stage in the fight against pollution. These modular systems not o...
- India, Seychelles agree to deepen cooperation in fisheries and blue economyIndia and Seychelles agreed to deepen cooperation in fisheries and the blue economy. They will focus on sustainable marine resource managem...
- In a 1982 US reservoir review, fish and plankton productivity rose after valleys were flooded, then declined as spawning habitat and detritus became less availableFollowing the creation of American reservoirs, there’s an initial surge in fish populations, creating a thriving aquatic ecosystem. However...
- In the late 1800s, California introduced red foxes for hunting and fur farms; at Seal Beach, they drove light-footed Ridgway's rails down to just 5 pairs in 7 yearsIn the late 1800s, non-native red foxes wreaked havoc on the population of Ridgway's rails, bringing them perilously close to extinction. F...
- Canada turned discarded aluminum into submarine fuel by reacting it with water; up to 12 Type 212CD boats can use hydrogen fuel cells to remain submerged for 41 daysCanada aims to enhance its submarine fleet with a technology that converts aluminum into hydrogen. GH Power is collaborating with TKMS to e...
- In 2025, Mowi launched Chile’s first floating-solar salmon farm. 1 year later, solar and batteries cover 57% of its power needs and are expected to cut diesel use by 36,750 gallons a yearA salmon farm in southern Chile now uses floating solar panels and batteries. This system supplies approximately fifty-seven percent of the...
- In 1973, NASA sent two fish into space to test their swimming ability in zero gravity; they initially swam in loops but later used light as cue to move normally after 21 daysIn 1973, NASA sent two mummichog fish and 50 eggs aboard Skylab 3 to study how weightlessness affected their sense of balance. The fish ini...
- How to Fish: Complete guide to every fish, creature, island, bait and rodHow to Fish offers detailed mechanics for catching diverse aquatic creatures across five distinct islands. Players must match specific rods...
- In 1970s, silver carp were brought to the US for aquaculture. Now the jumping fish threaten a $20 billion Great Lakes industryInvasive silver carp are rapidly approaching the Great Lakes, raising alarm over potential ecological and economic damage. The recent detec...
- In 1961, two Wisconsin fishing buddies vanished without a trace but now the mystery of their haunting disappearance has been solvedIn 1961, two Wisconsin fishing buddies vanished without a trace but now the mystery of their haunting disappearance has been solved. Ronald...
- 16th-century shipwreck of a merchant vessel discovered off the coast of Ramatuelle in France accidentally when navy researchers scanned the seafloor in routine sonar investigations16th-century shipwreck of a merchant vessel discovered off the coast of Ramatuelle in France accidentally when navy researchers scanned the...
- Anti-submarine warfare vessel INS Mangrol delivered to Indian Navy by Cochin Shipyard LimitedCochin Shipyard delivered the INS Mangrol anti-submarine warfare craft to the Indian Navy. This naval craft is built with over eighty perce...
- Diagnostic centres are first line of defence in healthcare: Rajnath Singh inaugurates integrated centre in NoidaDefence Minister Rajnath Singh inaugurated an Integrated Diagnostic Centre in Noida. He highlighted diagnostic facilities as healthcare's c...
- In 2024, scientists found that clownfish use white stripes to spot rivals; the fish attacked most when intruders matched their three-stripe patternClownfish are anything but friendly when it comes to defending their homes, showcasing a fierce loyalty to their anemone habitats. They hav...
- Earlier this year, Michigan researchers analyzed lake sturgeon records spanning decades. 300 years later, their findings point to fish still living around the Great lakes for nearly 3 centuriesNew research from Michigan researchers suggests that lake sturgeon in the Great Lakes may live far longer than previously believed. The stu...
- In 2024, Tornyol Systems showed how a 1.4-ounce drone could detect and hunt mosquitoes using ultrasonic sensors. Two years later, the Paris startup recorded its first autonomous kill, but the victim was 1 moth, not a mosquitoA Paris startup just recorded its first autonomous insect kill using a 1.4-ounce drone. Tornyol Systems built the quadcopter with ultrasoni...
- Orcas and dolphins were recorded hunting salmon together off British ColumbiaOff the shores of British Columbia, a remarkable display of teamwork unfolded as killer whales and dolphins joined forces to hunt. Utilizin...
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