Ocean Conservation Research - OCR

08/15/2025

New study finds blue whale songs dropped ~40% during and after the “Blob” heatwave off California. With krill scarce, these giants spent more time foraging and less time singing—a sign of severe stress in the ocean, and a reminder that listening is key to protecting marine life.

A six-year study off California’s coast shows how marine heat waves and noise pollution are silencing the ocean’s largest singers. Does saving the ocean start with hearing it?

08/14/2025

Beneath the surface lives a world of marvels—where the artistry of evolution is on full display. 🌊✨ During a rare Blackwater night dive, Rafael Fernandez Caballero - Underwater Photography encountered one of the ocean’s most remarkable designs: the flying fish.

Living mostly in the top 65 feet (20 meters) of the ocean, they can rise from the waves on wing-like fins to glide above the water for nearly 656 feet (200 meters) at speeds up to 37 mph (60 km/h). This fleeting encounter is a reminder that the ocean’s beauty runs as deep as the waters it holds.

08/14/2025

Photo by Brian Skerry · Often described as "unicorns of the sea," narwhals are beautiful and mysterious creatures with a 5-10 ft (1.5-3 m) tusk protruding from their heads. The tusk is actually an armature for a spiral wrapping of nerves – so it is a sense organ that can detect subtleties in the temperature, salinity, and particle presence of its ocean environment.

Research by Jens C. Koblitz et. al found that the narwhal’s echolocation clicks are more focused than any other marine mammal yet measured – forming and casting asymmetrical beams 5° wide – and measurable at 100m! The asymmetry is important here because like the asymmetry of the acute hearing organs of owls, it may tease out fine distinctions in the returning signals that they hear – allowing them a detailed acoustical construction of their often dark Arctic ocean environment.

08/14/2025

🎥: Steve De Neef · Orca cruising through a kelp forest by the Falkland Islands (Islas Malvinas), located 400 miles (650 km) off the south-east coast of South America and compromised of ~740 islands! Each year, the same individual orcas return to the Falklands to seasonally prey upon young elephant seals and sea lions.

08/11/2025

Beneath the waves, humpback whales share their voices through moans, grunts, and elaborate songs that can travel for hundreds of miles. 🎥: Caine Delacy Photography · cainedelacy.com · instagram.com/cainedelacy

These calls help them find mates, coordinate during feeding, and maintain social bonds across vast distances. The ocean is an acoustic realm—sound travels over four times faster and far more efficiently underwater than in air—making it the whales’ most powerful tool for connection. Each population sings its own evolving song, a cultural tradition passed from whale to whale.

08/11/2025

Orcas are among the most culturally complex animals on Earth. Each pod has its own unique dialect—a set of calls so specific that members can instantly recognize family, even after years apart. Pods within the same ecotype—a population adapted to a particular environment and way of life—share some core calls, but each pod adds its own variations, like accents within a language. 📸: Delaney Trowbridge Photography

Between different ecotypes—such as fish-eating residents and mammal-hunting transients—the dialects are completely distinct, more like separate languages altogether. These vocal boundaries help maintain each group’s culture, diet, and traditions across generations. But noise from human industry can mask these sounds, fraying the acoustic threads that hold their societies together. Protecting orcas means protecting the soundscape that is the foundation of their world.

08/03/2025

https://www.linkedin.com/posts/kellywhale_seagrass-saveseagrass-saveocean-activity-7357055424216395776-dZ2O?utm_source=social_share_send&utm_medium=member_desktop_web&rcm=ACoAAAEl9y0BJDhqNJV7anXWgdNcuyS0Nug8i6U

Sea grass lives matter.

08/02/2025

08/02/2025

https://www.facebook.com/planetraww/posts/pfbid0K6ThJQk96pwL7VnQyMWUL1DJhYGWXegszMzUMk7Q42EDvuHvSTLFerAnz6BeLvBcl

It looks like an alien... but it's smarter than most fish on Earth.
This is a cuttlefish — not a fish at all, but a cephalopod. A cousin of the squid and octopus, armed with a shapeshifting skin and a brain wired for stealth, mimicry, and precision.

With W-shaped pupils that bend light like a lens, and color-changing skin that turns from deep blue to coral red in milliseconds, the cuttlefish doesn’t hide. It vanishes.
It doesn’t attack. It hypnotizes.
Its tentacles ripple in waves of color that stun crabs into stillness — then in the blink of an eye, it strikes.

Cuttlefish have three hearts, blue blood, and a built-in jet propulsion system. And while most marine animals rely on instincts, cuttlefish can learn, adapt, and even deceive.

This isn’t just nature being weird — this is evolution showing off.