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River Diving



If you like diving and underwater photography as much as I do and you live 3. 5 hours inland from a good dive site, you might find yourself looking to a new venue to enjoy. I will openly admit I had a mission as I wanted pictures of freshwater fish, especially salmon. Thus began my river diving adventures this summer.

I am inspired by the work of Martin Edge and Eiko Jones and what they do with light underwater (the “God Beams” as the topside photographers say) and was thinking about some ways to do some new things I had in mind with long exposure and ambient light. As a lot of river diving here in Oregon can be relatively shallow in the rivers (relatively shallow being less than 25 feet). I was really wanting to work with ambient lighting in clear waters and be on eye level with the royalty of the fish world – salmon and steelhead trout.

The next logical thing to do was put together an investigatory dive. Equipment was my first consideration starting with photographic gear. I packed my Olympus OMD-E1 in a Nauticam housing with a Panasonic Lumix 8mm fisheye lens and a 4.33 dome port and then started to think about dive gear. I was diving the McKenzie River in Oregon which has gin clear visibility; however, it is also a frigid 49 degrees F, so I packed my Bare crushed neoprene drysuit and whites fusion thermals. I packed my warm water fins as they are shorter and lighter than my Apollo biofins, and I selected two aluminum 80 tanks with 3000 psi a piece as my steel 100 tanks weigh 40 pounds and I didn’t know what access would be like or how long I would be walking with gear on. My lightweight warmwater backplate and regulator was added to the gear pile with a 12 pound weight belt plus 4 extra pounds – surely that would be plenty. It was not, which I discovered later.

River diving entails a few different things that you may or may not be used to. Number one is current, and in some cases, a LOT of current. You may be wearing 20-25 pounds in a wetsuit/drysuit in 5 feet of water so you can stay down. Freshwater is deceiving as you do need less weight than salt, but you have to overweight to account for current.  I also have had to anchor myself along the bottom in interesting ways with a robust stainless steel reef stick that I own and by shooting with one hand and hanging on to logs, rocks, etc. with my other hand.

Riffle, Middle Fork Willamette River, Oregon.

Riffle, Middle Fork Willamette River, Oregon.

Fish are often found under tree roots so this can be very good shooting. I also did some shooting where I lay in the middle of a big riffle (stretch of fast moving water) and just shot water flowing over me while I anchored in with my stainless steel reef stick.My first dive I did not think about extra weight and I was soon sailing along like a balloon underwater getting blown through culverts and into large woody debris piles until I started to anchor myself by grabbing onto stuff and by putting rocks in my pockets for extra weight. Not getting my camera knocked out of my hands or rubbing the dome port glass on rocks was also a challenge. I also used my feet to push against logs so I could face into the current and shoot.

Number two is temperature. Some rivers you can go with little or no exposure suit, however I wouldn’t recommend that due to rocks, logs, etc scraping you up. My home rivers in the summer range from 65 to 48 degrees F. I found that for me I like the freedom of a wetsuit and for temperatures down to 55 degrees I was good in a 5mm wetsuit. Below 55 I could last about 20 minutes and then my teeth were chattering. At that point I was using my crushed neoprene drysuit with thermals.

I can go gloveless to 50 degrees but below that I would wear 5mm gloves. I usually always wear a hood to keep my hair out of my way. I’m toasty with this set up but temperature is a personal thing.

I recently hiked into a mountain waterfall and skin dove with my 5mm wetsuit to try and get some good over and under shots. The water was 47 degrees F which was pretty chilly but 20 minutes of being chilly was worth it for the shots I got there.


What lies beneath. Butte Falls, Oregon.

Number three is access and the diving style. Access to some rivers is back up to the side and jump in while with others you have to walk along the riverbank to get to a place you can safely access. Some rivers you have to climb down the sides and these sides can be steep and/or rocky and doing this with gear on can be a strenuous experience. Not falling down the side of a river on top of your camera gear and rolling into blackberry bushes on the way down is really the goal. Being somewhat nimble and strong is a plus for these rivers. River diving is not about calmly swimming along with perfect buoyancy most of the time. Many times you are crawling in between pools if water is low and sometimes you have to get out and walk to the next pool. Sometimes you can get into deep pools and these are really nice places to shoot when fish are holding there. These you can swim around, although I like to employ stealth technique and sit or lie calmly on the bottom until the fish are done being freaked out. I then let them get back to their regular business so I can take shots.

A curious bluegill in the Middle Fork Willamette River, Oregon.

A curious bluegill in the Middle Fork Willamette River, Oregon.

Some observations on fish behavior… I found that juvenile fish are much more curious than adults. Some adult fish can be very skittish, and some can be very bold and rush right up to you.

Freshwater sculpin are very fun to photograph and they are full of attitude as their marine cousins and they will fearlessly swim right up to you and sit right in front of your dome port. They are ferocious predators and will attack anything they think could fit in their mouth. Warmwater fish such as bass or bluegill are the most curious of the fish. They will literally photobomb every picture you take and they will nibble on your hands, mask, face, etc.

Sculpin watching trout. Cedar Creek, Oregon.

Sculpin watching trout. Cedar Creek, Oregon.

Male smallmouth bass are quite beautiful when they are mating or guarding their nests and can make striking pictures. Similar behavior is exhibited by native minnows such as dace, shiners, chub, and suckers.

I am currently working on a series of shoots with fall Chinook salmon that have returned from the ocean after 4-5 years of being away from their natal streams. How these fish find their way back to the very place they emerged from the gravel is an amazing question to me. Even near death these fish command respect as they have returned to fulfill a mission that started over 5,000 years ago. I wax poetic here as I am a fisheries biologist by trade.

I do NOT dive alone EVER in rivers. There are too many variables to not have a buddy or shore support. Yes, you have a BCD and regulator, however if you get stuck in a large woody debris pile or hung up on the bottom for some reason there could be a very bad outcome. Having another pair of eyes on you is a good thing. If you bring along a creative “dry” photographer they can take good topside pictures. I have not needed to tether up due to high river current to date but having someone watching your tether at all times is a smart thing to plan for. I usually do some scouting in advance for possible sites so I know what to bring.

I might add that I am eternally grateful to my cohorts in the fishery business who have clued me in to good sites and times to go and in some cases even driven me around and put me in on some great fish action. Treat these people well and buy them beer as they can be key to some beautiful pictures.


Male spring Chinook salmon, North Santiam River, Oregon.

My last plug is for quiet respect of fish, especially if you are somewhere where they are spawning. This is not a good time to be upsetting fish and driving them away from their spawning beds. Better to wait until after the spawning or before to get pictures. There is a fine line between harassment and annoyance so please understand that line and respect it.

I love diving our beautiful Pacific Northwest seas but I also feel that river diving adds a fun and new slant of the beauty of the underwater world and you definitely get to see things you do not see in the ocean environment… plus you don’t have to soak your gear so much after you dive freshwater!

You can see more of Laura’s underwater photography here.

Laura Tesler lives in Oregon and works for the Oregon Department of Fish and Wildlife. Laura has a degree in fisheries biology, and has logged almost 400 dives (80% coldwater) since being certified in 2006. She is a PADI Divemaster and a level 5 REEF surveyor. Laura has been taking underwater pictures since 2010 and has traveled extensively on dive trips. Laura has been married for 26 years and has one son. They do not dive, but she loves them anyway.


Scubaverse UWP Winners Gallery: Sofia Tenggrono



Each month we give the winner of the Scubaverse Underwater Photography competition the opportunity to show off a little more of their work in a gallery. The September winner was Sofia Tenggrono.

What equipment do you use?

I work with Olympus TG-6 camera, Nauticam CMC-1, 2 Inon S-2000, minigear snoot dive torch

Where can our readers see more of your work?

To enter the latest Scubaverse Underwater Photography competition, with a chance to win some great prizes as well as have your own gallery published, head over to the competition page and upload up to 3 images.

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The BiG Scuba Podcast… with Samantha Falcucci



Gemma and Ian chat to Samantha Falcucci. Samantha is a technology professional in New York City, STEM mentor, and ocean and space exploration advocate. After studying Information Systems & Marketing at the University of Texas at Austin, she launched into a business-technology career and has worked at Microsoft for six years guiding enterprise customers through their unique digital transformations. She has fostered a passion for science all her life and is dedicated to hands-on scientific research and communication in both space and ocean related fields.

Samantha earned her Advanced Scuba certification at 17 and is passionate about diving and marine science. She is a citizen scientist volunteer recording microplastics presence at the Jersey Shore for the Plastic Wave Project and is a member of the NYC Sea Gypsies scuba club. In August 2021 she became a trained analog astronaut and helped lead a Mars simulation in the Mojave Desert with an international crew.

She dedicates her passion for science to her late grandfather who was an entomologist and loved launching model rockets together. She strives to set an example as a citizen-scientist while advocating for diverse backgrounds needed in exploration. Her advice to aspiring conservationists is to find unconventional ways to study and care for the ocean regardless of your age or if it is directly related to your job and studies. She looks forward to sharing all of her upcoming space and ocean related experiences on her Instagram blog.

Have a listen here: 

Find out more here:

Find more podcast episodes and information at the new  website and on most social platforms @thebigscuba 

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