Remi Masson / Group of Black bullhead (Ameiurus melas) shoaling to protect themselves against predators, River Rhone, Rhone-Alpes, France, July.
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Alex Mustard / Red Irish lord (Hemilepidotus hemilepidotus) resting on a yellow sponge, in front of red soft coral (Eunephthya rubiformis). Browning Pass, Port Hardy, Vancouver Island, British Columbia. Canada. Nor...
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Fred Bavendam / Crested Bullhead Shark (Heterodontus galeatus), New South Wales, Australia
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Bert Willaert / Composite image of American fish species introduced to Europe: Pumpkinseed sunfish (Lepomis gibbosus, left), Brown bullhead (Ameiurus nebulosus, right) and Eastern mudminnow (Umbra pygmaea, under), ph...
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Michel Roggo / Bullhead (Cottus gobio) Europe
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Nick Hawkins / Atlantic sea raven (Hemitripterus americanus) along the off Nova Scotia, Canada. July.
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Nick Hawkins / Atlantic sea raven (Hemitripterus americanus) along the off Nova Scotia, Canada. July.
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SCOTLAND: The Big Picture / Long spined scorpion fish (Taurulus bubalis) camoflouged, Sula Sgeir, Scotland.
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SCOTLAND: The Big Picture / Scorpion fish amongst hydroids (Taurulus bubalis) Loch Etive, west coast of Scotland, UK, August.
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SCOTLAND: The Big Picture / Long spined sea scorpion (Taurulus bubalis), John O' Groats, North Scotland, UK, May.
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Remi Masson / Shoal of Black bullhead (Ictalurus melas) in a lake. Alps, France
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Remi Masson / European bullhead (Cottus gobio) camouflaged among rocks and aquatic plants, Ain, Alps, France
