Above, a salmon; middle, a common cod; below, a haddock. Coloured lithograph by B. Hummel after J. Stewart. https://www.rawpixel.com/image/13969640/image-animal-public-domain-fishFree Image from public domain licenseMountain lake cutthroat at high mountain lakes on the Payette National Forest North of McCall, Idaho, USA. Original public… https://www.rawpixel.com/image/4035104/photo-image-forest-nature-fishFree Image from public domain licenseLake trout caught by the crew of the NPS Hammerhead by Neal Herbert. Original public domain image from Flickr https://www.rawpixel.com/image/4225787/photo-image-public-domain-person-waterFree Image from public domain licenseMale Coaster Brook TroutMale coaster brook trout reared at Iron River National Fish Hatchery in Wisconsin. Photo by Katie… https://www.rawpixel.com/image/4029189/photo-image-fish-animalFree Image from public domain licenseBrown Beauty by Jeff Slade2009 photo contest winner for the Fisheries & Water category. Photo by Jeff Slade/USFWS.This photo… https://www.rawpixel.com/image/4028356/photo-image-water-fishFree Image from public domain licenseRainbow trout swimming at Quantico, VA. USDA photo by Ken Hammond. Original public domain image from Flickr https://www.rawpixel.com/image/3262010/free-photo-image-fish-animal-codFree Image from public domain licenseRainbow trout swimming at Quantico, VA. USDA photo by Ken Hammond. Original public domain image from Flickr https://www.rawpixel.com/image/3261984/free-photo-image-animal-aquatic-codFree Image from public domain licenseLake TroutAdult lake trout reared at Iron River National Fish Hatchery in Wisconsin. Photo by Katie Steiger-Meister/USFWS.… https://www.rawpixel.com/image/4029195/photo-image-fish-animalFree Image from public domain licenseTiger Trout swinning at Quantico, VA. USDA photo by Ken Hammond.. Original public domain image from Flickr https://www.rawpixel.com/image/3261031/free-photo-image-fish-animal-carpFree Image from public domain licenseBrook TroutWe spotted this brook trout during a fish survey at Isle Royale National Park.Photo by USFWS. Original public… https://www.rawpixel.com/image/4029170/photo-image-summer-nature-waterFree Image from public domain licenseThe Bureau of Land Management photo. Original public domain image from Flickr https://www.rawpixel.com/image/3398185/free-photo-image-trout-adventures-animalFree Image from public domain licenseMigratory bull trout found in Lolo National Forest, Montana, July 29, 2008. (Forest Service photo by Aubree Benson).… https://www.rawpixel.com/image/3391057/free-photo-image-animal-aquatic-cc0Free Image from public domain licenseFree Fish Day Youth outdoor education Deschutes NF. Original public domain image from Flickr https://www.rawpixel.com/image/4075831/photo-image-people-fishFree Image from public domain licenseSpawning Yellowstone cutthroat trout (Oncorhynchus clarkii bouvieri) by Jacob W. Frank. Original public domain image from… https://www.rawpixel.com/image/4038860/photo-image-water-fishFree Image from public domain licenseBrook Trout (Salvelinus fontinalis). Original public domain image from Flickr https://www.rawpixel.com/image/3309964/free-photo-image-animal-apgar-aquaticFree Image from public domain licenseTiger Trout swinning at Quantico, VA. USDA photo by Ken Hammond.. Original public domain image from Flickr https://www.rawpixel.com/image/3261040/free-photo-image-animal-fish-aquaticFree Image from public domain licenseSpawning Yellowstone cutthroat trout (Oncorhynchus clarkii bouvieri) by Jacob W. Frank. Original public domain image from… https://www.rawpixel.com/image/4038443/photo-image-water-fishFree Image from public domain licenseRainbow trout swimming at Quantico, VA. USDA photo by Ken Hammond. Original public domain image from Flickr https://www.rawpixel.com/image/3260436/free-photo-image-animal-cod-cohoFree Image from public domain licensewestslope cutthroat trout (Oncorhynchus clarki lewisi). Original public domain image from Flickr https://www.rawpixel.com/image/3309841/free-photo-image-animal-aquatic-birdFree Image from public domain licenseBrown trout swinning at Quantico, VA. USDA photo by Ken Hammond. Original public domain image from Flickr https://www.rawpixel.com/image/3260439/free-photo-image-trout-animal-aquaticFree Image from public domain license