Linda Pitkin / 2020VISION / Brown trout (Salmo trutta), Ennerdale Valley, Lake District NP, Cumbria, England, UK, November 2011. Did you know? Trout scales have growth rings which you can read in the same way tree rings.
01361451
Jeff Rotman / Close-up of scales of the Yellowbar Angelfish (Pomacanthus maculosus). Red Sea, Egypt.
01358557
Linda Pitkin / 2020VISION / Brown Trout (Salmo trutta) in disused quarry, Jackdaw Quarry, Capernwray, Carnforth, Lancashire, UK, August. Did you know? Brown trout scales have growth rings like tree trunks.
01160158
Michel Roggo / Carp (Cyprinus carpio), Aare river, Switzerland 2006
01087672
Doug Allan / Icefish {Chaenocephalus aceratus} Antarctica. Note - no scales or haemoglobin, so blood is white
01615718
Doug Perrine / Bait ball of schooling Anchovies (Encrasicholina punctifer) with sparkling scales from dead fish drifting downward through the water; Kei ( or Kai ) Islands, Moluccas, eastern Indonesia, Banda Sea, So...
01594068
Emanuele Biggi / Ram cichlid (Mikrogeophagus ramirezi) male fish with iridescent scales guarding eggs . Captive, endemic to the Orinoco River basin in Venezuela and Colombia.
01594067
Emanuele Biggi / Ram cichlid (Mikrogeophagus ramirezi) male fish with iridescent scales guarding eggs . Captive, endemic to the Orinoco River basin in Venezuela and Colombia.
01594823
Nick Hawkins / Brook trout (Salvelinus fontinalis) close up of skin / scales, Miramichi River, New Brunswick, Canada, June.
01594822
Nick Hawkins / Atlantic salmon (Salmo salar) close up of skin scales, Miramichi River, New Brunswick, Canada, June.
01584629
Lucas Bustamante / Spotted fish-scaled gecko (Geckolepis maculata) close up of scales, Palmarium, Atsinanana, Madagascar.
