Charlie Summers / Brook trout (Salvelinus fontinalis) in breeding colouration, migrating upstream to spawn, Colorado, USA, September.
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Remi Masson / Brook trout (Salvelinus fontinalis) in a mountain lake. Savoie, Alps, France
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Charlie Summers / Brook trout (Salvelinus fontinalis) depositing roe into the redd she built while a male waits nearby to come and fertilize the eggs. Rocky Mountain National Park, Colorado, USA, October.
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Nick Hawkins / Brook trout (Salvelinus fontinalis) close up of skin / scales, Miramichi River, New Brunswick, Canada, June.
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Charlie Summers / Brook trout (Salvelinus fontinalis) female fanning her tail as she digs a redd or nest in her spawning stream. Image taken in Rocky Mountain National Park of Colorado.
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Charlie Summers / Brook Trout (Salvelinus fontinalis) digging her redd or nest in a high mountain stream in Rocky Mountain National Park, Colorado, USA, September.
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Charlie Summers / Brook Trout (Salvelinus fontinalis) pair female in foreground and male in the background, Rocky Mountain National Park, Colorado, USA, September.
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Charlie Summers / Brook Trout (Salvelinus fontinalis) pair in a high mountain stream in Colorado, USA.
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Charlie Summers / Brook trout (Salvelinus fontinalis) female (left) and male cruise in a stream during the annual fall spawning season, Rocky Mountain National Park, Colorado, USA September
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Charlie Summers / Brook trout (Salvelinus fontinalis) pair in stream in Rocky Mountain National Park, Colorado, USA, September.
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Charlie Summers / Brook trout (Salvelinus fontinalis) female in the foreground with a male in the background and another male in the far background.The female digs a hole or redd into which she deposits her eggs, and t...
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Charlie Summers / Brook trout (Salvelinus fontinalis) gathering to spawn in a high mountain stream in Rocky Mountain National Park, Colorado, USA, October.
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Charlie Summers / Brook trout (Salvelinus fontinalis) female in the act of spawning as she fans her tail making a redd into which she lays her eggs. Male visible in the background. Rocky Mountain National Park, Colora...
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Charlie Summers / Brook trout (Salvelinus fontinalis) resting between building a redd into which she deposits eggs, then waits for a male to come along and fertilize them. Rocky Mountain National Park, Colorado, USA, S...
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MYN / Denis Palanque / Brook trout (Salvelinus fontinalis) Aix les Bains, Savoie, France, January. meetyourneighbours.net project
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Michel Roggo / Brook trout (Salvelinus fontinalis) Europe
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John Cancalosi / Brook trout in river {Salvelinus fontinalis} Rocky Mountain NP, Colorado, USA.
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Nature Production / Brook Trout {Salvelinus fontinalis} Hokkaido, Japan
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Emanuele Biggi / European pond terrapin (Emys orbicularis galloitalica) female, hiding among Water mosses (Fontinalis sp.) on stream bed, with Common toad (Bufo bufo) tadpole swimming by, Viterbo, Italy. May. Italian...
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Will Watson / Beautiful demoiselle (Calopteryx virgo) nymph, resting on Water moss (Fontinalis sp.), River Lugg SSSI, Herefordshire, England, UK. October. Controlled conditions, focus stacked and retouched.
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Charlie Summers / Brook Trout (Salvelinus fontinalis) female ready to deposit her roe into a nest / redd. Rocky Mountain National Park, Colorado, USA. October.
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Nick Hawkins / Brook trout (Salvelinus fontinalis) gather to spawn, St. Mary's river, Nova Scotia, Canada. October.
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Nick Hawkins / Sea run Brook trout (Salvelinus fontinalis) gathering to spawn, St. Mary's river, Nova Scotia, Canada. October.
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Nick Hawkins / Sea run Brook trout (Salvelinus fontinalis) gather to spawn, St. Mary's river, Nova Scotia, Canada. October.
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Nick Hawkins / Brook trout (Salvelinus fontinalis) gathering to spawn, St. Mary's river, Nova Scotia, Canada. October.
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Nick Hawkins / Brook trout (Salvelinus fontinalis) gathering to spawn, St. Mary's river, Nova Scotia, Canada. October.