Today’s the day. You’re on expedition, gearing up to jump into the ocean with the team. Maybe you’re prepping your scuba gear for your final PADI Open Water dive in Indonesia, grabbing your measuring tape to conduct a coral reef line transect…

This blog was written by one of the recipients of the Wallacea Trust Murray grant, using funds very generously donated by our partner organisation – the Wallacea trust. The Wallacea Trust is a charity which Opwall works very closely with, to use…

On a calm morning in the Transylvanian hills a burst of scratchy, rambling song emanates from a patch of scrub. The surrounding meadow hums with life, with the ground alive with grasshoppers and crickets and bright orange fritillaries flying low over the…

While some species have very little influence on their ecosystems, keystone species have a disproportionately large impact on them relative to their abundance. Keystone species can be a whole range of things, including predator or prey, ecosystem engineers (modify landscape instead of…

I’ve been investigating the fungi in Cusuco National Park for over three years and it’s still normal to see mushrooms I don’t recognize every day during the field season. We’ve made almost 1,000 collections of mushrooms from sampling plots and from the…

With continued rising ocean temperatures and increasingly frequent bleaching events, a long-term study from Japan has offered a hopeful insight: corals on artificial reefs recover significantly faster than those on natural ones (Tanaya et al 2025). In Naha Port, corals placed on…

You may have heard of the State of Nature report in conversation or in a lecture or a newspaper article but may not have looked into it further. Here we save you the trouble of reading the entire document with a bit…

In geology, time is divided not by years but by geological or paleontological events based on information from the strata (layers of rock in the Earth). The categories of geological time are listed in order below: Eon – the largest unit on…

Seeing a stag in the wild for the first time was a moment filled with an overwhelming sense of awe. The opening in the shrubbery revealed the stag with its towering antlers, intricately branched like a crown. Each step, deliberate and graceful,…

Five reasons why everybody should go on an expedition with Opwall regardless of scientific background! When approached about embarking on an expedition with Operation Wallacea, it is easy to feel overwhelmed. After all, this is a company that has published over 670…