spadefoot Amphibians of special concern Ascaphus truei — coast tailed frog Bufo boreas — western toad Bufo cognatus — Great Plains toad Gyrinophilus porphyriticus — spring salamander Plethodon idahoensis — Coeur d'Alene salamander Rana aurora — red-legged frog Rana pipiens (western boreal/prairie populations) — northern leopard frog Fish Extirpated fish Erimystax x-punctatus — gravel chub Polyodon spathula — paddlefish Endangered fish Acipenser transmontanus — white sturgeon Catostomus catostomus subsp. — Salish sucker Coregonus huntsmani — Atlantic whitefish Coregonus reighardi — shortnose cisco Gasterosteus sp. — benthic Enos Lake stickleback Gasterosteus sp. — benthic Paxton Lake stickleback Gasterosteus sp. — benthic Vananda Creek stickleback Gasterosteus sp. — limnetic Enos Lake stickleback Gasterosteus sp. — limnetic Paxton Lake stickleback Gasterosteus sp. — limnetic Vananda Creek stickleback Lampetra richardsoni var. marifuga — Morrison Creek lamprey Moxostoma hubbsi — copper redhorse Notropis anogenus — pugnose shiner Noturus stigmosus — northern madtom Rhinichthys cataractae subsp. — Nooksack dace Salmo salar (Inner Bay of Fundy populations) — Atlantic salmon Salvelinus fontinalis timagamiensis — aurora trout Threatened fish Ammocrypta pellucida — eastern sand darter Anarhichas denticulatus — northern wolffish Anarhichas minor — spotted wolffish Cottus confusus — shorthead sculpin Cottus sp. — Cultus pygmy sculpin Cottus sp. (St. Mary and Milk River populations) — eastslope sculpin Erimyzon sucetta — lake chubsucker Hybognathus argyritis — western silvery minnow Lampetra macrostoma — Vancouver lamprey Lepisosteus oculatus — spotted gar Notropis percobromus — carmine shiner Osmerus spectrum — Lake Utopia dwarf smelt Percina copelandi — channel darterm Fish of special concern Acipenser medirostris — green sturgeon Anarhichas lupus — Atlantic wolffish Coregonus kiyi kiyi — Upper Great Lakes kiyi Cottus hubbsi — Columbia sculpin Esox americanus vermiculatus — grass pickerel Fundulus diaphanus (Newfoundland population) — banded killifish Fundulus notatus — blackstripe topminnow Lepomis gulosus — warmouth Macrhybopsis storeriana — silver chub Minytrema melanops — spotted sucker Moxostoma carinatum — river redhorse Myoxocephalus thompsonii (Great Lakes–Western St. Lawrence populations) — deepwater sculpin Notropis bifrenatus — bridle shiner Opsopoeodus emiliae — pugnose minnow Arthropods Extirpated arthropods Callophrys (Incisalia) irus — frosted elfin Euchloe ausonides — island marble Plebejus melissa samuelis — Karner blue Endangered arthropods Apodemia mormo (southern mountain population) — Mormon metalmark Bombus affinis - rusty-patched bumble bee Bombus bohemicus - gypsy cuckoo bumble bee Brychius hungerfordi - Hungerford's crawling water beetle Cicindela patruela - Northern Barrens tiger beetle Coenonympha nipisiquit — maritime ringlet Copablepharon fuscum — sand-verbena moth Erynnis persius