🗳️ IUCN Members: Vote YES on Motion 035 (Oct 13–15) at #WCC2025 to protect the mesopelagic — before it’s too late.

@the_ocean_conservancy_
@environmental_defense_fund

🔗 Learn more: marine-conservation.org/ocean-twilight-zone

#IUCNcongress #OceanTwilightZone #MarineConservation #Motion035

Dive into the Ocean’s Twilight Zone at #WCC2025! 🪼

Join us, EDF, and Ocean Conservancy on October 10 (13:00–14:00, The Americas, Room 1) to discuss why the mesopelagic matters, what’s putting it at risk, and how Motion 035 can protect it.

#IUCNCongress #OceanTwilightZone #MarineConservation

Patience! Let the organic matter snow, let it snow, let it snow ❄️ #oceantwilightzone #marinesnow

Black and white photograph, with caption: "Silvery Hatchet-fish were seen twenty-eight times on various dives of the bathysphere. As this photograph shows, these fishes have many lights and their bodies are covered with silver tinsel."

In need of a light display today? William Beebe's Half-Mile Down, his travelogue through the #OceanTwilightZone, recounts one of the best. The Silvery Hatchet-fish, its "many lights" and "silver tinsel." archive.org/details/half...

Even for those of us who don't speak fluid dynamics, this article gives a sense of the richness and complexity of marine snow and the biological pump. Awe-inspiring. ❄️🦠🐟 #ocean #oceantwilightzone #carbon www.science.org/doi/10.1126/...

The #mesopelagic zone, also called the #oceantwilightzone because it lies at depths where only a tiny little bit of light penetrates, has huge populations of small #fish species such as pearlsides and lanternfish (2/9)

The #mesopelagic zone, also called the #oceantwilightzone because it lies at depths where only a tiny little bit of light penetrates, has huge populations of small fish species such as pearlsides and lanternfish (2/6)

🐟 🦈🐠 In a #PNAS study published this month, #WHOI ecologists found that #sharks, tuna, and swordfish commonly travel to the #OceanTwilightZone– sometimes deeper!

This "surprising" discovery underscores the importance of protecting this critical habitat.
Dive deeper: go.whoi.edu/otz-predators

amphipod

phromina or pram bug

phromina or pram bug

bristlemouth

Do the words “twilight zone” conjure up that trippy black and white TV show from the 1950s? If so, maybe it’s time to update your mental database with this awesome story about the #OceanTwilightZone from @iflscience.bsky.social!
Immerse yourself: go.whoi.edu/iflscience-otz