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Tips for Spotting and Photographing Nudibranchs (Like a Pro Without Being One)
Nudibranchs are tiny, colorful, and surprisingly tricky to spot—but with the right tips, you don’t need to be a pro to find and photograph them like one. In this guide, we share simple, diver-friendly techniques for locating these reef gems and capturing stunning underwater shots, all while keeping the ocean safe and happy.
Paolo Limbaga
3/21/20252 min read
Let’s be honest—nudibranchs are like the hidden gems of the reef. These tiny, colorful sea slugs are an absolute treat to find, especially if you're into macro photography or just love the weird and wonderful stuff the ocean hides. But they don’t exactly wave hello when you swim by. Spotting them takes a bit of focus (and a lot of patience). Here’s how to up your nudi game without stressing out.
Take It Slow—Seriously
This might sound obvious, but we mean really slow. Nudibranchs don’t move much, so if you’re speeding along the reef, you’ll miss them. Glide, don’t kick. Scan everything like you’re looking for treasure—because you kind of are.
Use a Torch, Even in Daylight
A dive light or torch is a macro diver’s best friend. Not only does it help highlight those bold nudibranch colors (some are practically glowing!), but it also helps spot them when they’re hiding in shadows or tucked under coral. Plus, the light makes your photos look way better.
Buoyancy Is Everything
Want crisp photos and a healthy reef? Stay neutrally buoyant. Good control lets you hover close for photos without disturbing the coral—or your nudibranch model. No one wants a shot ruined by a sand cloud, right?
Search the Weird Spots
Most people look at big corals and obvious structures, but nudis like the low-key real estate. Check dead coral, algae patches, rubble, even floating leaves. The more unusual the spot, the better your chances of finding one.
Go Macro With Your Camera
Nudibranchs are tiny, and getting good shots means getting close. A macro lens or camera with macro mode is a must. Get low, shoot eye-level if possible, and keep the lighting soft but bright. Bonus tip: take a breath and shoot between exhales to reduce shake.
Talk to Your Dive Guide
The freelance instructors at Oxidive dive these sites regularly—and they know the local nudibranch hangouts like the back of their hand. Don’t be shy—ask them where to look, and you might spot rare species you’d never find on your own.
Final Thoughts
Nudibranch hunting is half patience, half practice, and 100% fun. Whether you’re shooting photos or just enjoying the thrill of spotting something small and strange, these little slugs are a reminder that the ocean’s beauty often hides in the tiniest places. So slow down, stay curious, and keep your eyes peeled—there’s a whole world waiting on the reef.