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U.S. Geological Survey Archive's Images

Organization: U.S. Geological Survey
Country: United States
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203 Images of 74 Subjects View Subject List View Image Details View Thumbnails

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Image Subject Name Scientific Name Description
5431418 lionfish Pterois volitans
5431419 lionfish Pterois volitans
5431451 lionfish Pterois volitans
5431416 lionfish Pterois volitans
5431417 lionfish Pterois volitans
5431408 lionfish Pterois volitans
5431248 red tegu Tupinambis rufescens
5431182 leopard pleco Glyptoperichthys gibbiceps
5430971 northern snakehead Channa argus
5431021 characins
5430978 asian tunicate Styela clava
5430977 asian tunicate Styela clava
5431175 titan acorn barnacle Megabalanus coccopoma
5431043 zebra mussel Dreissena polymorpha
5431227 freshwater jellyfish Craspedacusta sowerbyi
5431250 zebra mussel Dreissena polymorpha
5431282 vermiculated sailfin catfish Pterygoplichthys disjunctivus
5431283 vermiculated sailfin catfish Pterygoplichthys disjunctivus
5431284 bighead carp Hypophthalmichthys nobilis
5430918 rusty crayfish Orconectes rusticus
5430919 rusty crayfish Orconectes rusticus
5430920 rusty crayfish Orconectes rusticus
5430921 rusty crayfish Orconectes rusticus
5430917 rusty crayfish Orconectes rusticus
5430831 tasseled blenny Parablennius thysanius
5430824 goldfish Carassius auratus
5430821 rudd Scardinius erythrophthalmus
5430822 rudd Scardinius erythrophthalmus
5430823 rudd Scardinius erythrophthalmus
5430820 rudd Scardinius erythrophthalmus
5430876 bagre Rhamdia quelen
5430877 shovelnose Sorubim spp.
5430851 moapa dace Moapa coriacea
5430844 spotted tilapia Tilapia mariae
5430845 walking catfish Clarias batrachus
5430846 walking catfish Clarias batrachus
5430847 bitterling Rhodeus sericeus
5430827 yellow tang Zebrasoma flavescens
5430819 black carp Mylopharyngodon piceus
5430812 Rio Grande cichlid Herichthys cyanoguttatus
5430805 freshwater jellyfish Craspedacusta sowerbyi
5431201 northern snakehead Channa argus
5431202 northern snakehead Channa argus
5431204 black carp Mylopharyngodon piceus
5431205 black carp Mylopharyngodon piceus
5431206 black carp Mylopharyngodon piceus
5431207 black carp Mylopharyngodon piceus
5431209 Nile tilapia Oreochromis niloticus
5431223 Asian shore crab Hemigrapsus sanguineus
5431224 Asian shore crab Hemigrapsus sanguineus
5431228 Nile tilapia Oreochromis niloticus
5431247 banded limia Limia vittata
5431306 rusty crayfish Orconectes rusticus
5431307 rusty crayfish Orconectes rusticus
5431210 bighead carp Hypophthalmichthys nobilis
5431211 bighead carp Hypophthalmichthys nobilis
5431222 tench Tinca tinca
5431216 bullseye snakehead Channa marulius
5430953 bighead carp Hypophthalmichthys nobilis
5430954 bighead carp Hypophthalmichthys nobilis
5430955 bighead carp Hypophthalmichthys nobilis
5430966 black carp Mylopharyngodon piceus
5430967 black carp Mylopharyngodon piceus
5430970 northern snakehead Channa argus
5430962 red-bellied pacu Piaractus brachypomus
5430963 red-bellied pacu Piaractus brachypomus
5430973 red-bellied pacu Piaractus brachypomus
5430976 red-bellied pacu Piaractus brachypomus
5430979 red-bellied pacu Piaractus brachypomus
5431048 green mussel Perna viridis
5430886 giant rivulus Rivulus hartii
5430890 humpbacked salmon Oncorhynchus gorbuscha
5430891 chum salmon Oncorhynchus keta
5430901 banded cichlid Heros severus
5430951 zander Sander lucioperca
5430814 clown knifefish Chitala ornata
5430815 northern snakehead Channa argus
5430796 zebra tilapia Tilapia buttikoferi
5430816 northern snakehead Channa argus
5430833 striped jumprock Moxostoma rupiscartes
5430834 rusty crayfish Orconectes rusticus
5430865 sailfin catfish Pterygoplichthys spp.
5431308 green mussel Perna viridis
5431320 green mussel Perna viridis
5431321 Charua mussel Mytella charruana
5431322 Charua mussel Mytella charruana
5431323 Charua mussel Mytella charruana
5431324 Charua mussel Mytella charruana
5431327 Brazilian waterweed Egeria densa
5431334 firewood catfish Sorubimichthys planiceps
5431351 red-bellied pacu Piaractus brachypomus mouth
5431353 Sacramento pikeminnow Ptychocheilus grandis
5431354 Sacramento pikeminnow Ptychocheilus grandis
5431355 red-bellied pacu Piaractus brachypomus
5431356 red-bellied pacu Piaractus brachypomus
5431364 oscar Astronotus ocellatus
5431375 bullseye snakehead Channa marulius
5431378 bullseye snakehead Channa marulius
5431379 bullseye snakehead Channa marulius
5431380 bullseye snakehead Channa marulius
5431381 southern sailfin catfish Pterygoplichthys anisitsi
5430797 green and black dart-poison frog Dendrobates auratus
5430798 green and black dart-poison frog Dendrobates auratus
5430794 Rio Grande cichlid Herichthys cyanoguttatus
5430795 zebra tilapia Tilapia buttikoferi
5430799 yellow banded dart poison frog Dendrobates leucomelas
5430800 yellow banded dart poison frog Dendrobates leucomelas
5430803 southern leopard frog Lithobates sphenocephalus
5430811 American alligator Alligator mississippiensis
5430836 red-bellied pacu Piaractus brachypomus
5430843 zebra tilapia Tilapia buttikoferi
5430853 rosy barb Puntius conchonius
5430854 blackspot barb Puntius filamentosus
5430859 yellowfin goby Acanthogobius flavimanus
5430860 butterfly splitfin Ameca splendens
5430956 bighead carp Hypophthalmichthys nobilis
5430957 rudd Scardinius erythrophthalmus
5430958 vermiculated sailfin catfish Pterygoplichthys disjunctivus
5430959 vermiculated sailfin catfish Pterygoplichthys disjunctivus
5430960 vermiculated sailfin catfish Pterygoplichthys disjunctivus
5430964 giant snakehead Channa micropeltes
5430965 silver carp Hypophthalmichthys molitrix
5430972 sailfin catfish Pterygoplichthys spp.
5430974 red-bellied pacu Piaractus brachypomus
5431331 red-bellied pacu Piaractus brachypomus
5431350 red-bellied pacu Piaractus brachypomus
5431352 Sacramento pikeminnow Ptychocheilus grandis
5431361 silver carp Hypophthalmichthys molitrix
5431373 blue catfish Ictalurus furcatus
5431374 bullseye snakehead Channa marulius
5431376 bullseye snakehead Channa marulius
5431377 bullseye snakehead Channa marulius
5431385 lionfish Pterois volitans
5431401 oscar Astronotus ocellatus
5431402 lionfish Pterois volitans
5431403 lionfish Pterois volitans
5431404 lionfish Pterois volitans
5431082 northern snakehead Channa argus
5431053 brown hoplo Hoplosternum littorale
5431052 brown hoplo Hoplosternum littorale
5431039 goldfish Carassius auratus
5431041 Chinese mitten crab Eriocheir sinensis
5431031 giant snakehead Channa micropeltes
5431029 giant snakehead Channa micropeltes
5431085 red-bellied pacu Piaractus brachypomus
5431086 red-bellied pacu Piaractus brachypomus
5431134 fathead minnow Pimephales promelas
5431050 brown hoplo Hoplosternum littorale
5431051 brown hoplo Hoplosternum littorale
5431066 Indo Pacific swimming crab Charybdis hellerii
5431078 Nile tilapia Oreochromis niloticus
5431081 zander Sander lucioperca
5431099 northern snakehead Channa argus
5431030 giant snakehead Channa micropeltes
5431020 red-bellied pacu Piaractus brachypomus
5431019 red-bellied pacu Piaractus brachypomus
5431087 Louisiana red crayfish Procambarus clarkii
5431088 Louisiana red crayfish Procambarus clarkii
5431025 walking catfish Clarias batrachus
1354056 northern snakehead Channa argus Open mouth, showing sharp teeth
1354057 northern snakehead Channa argus Open mouth, showing sharp teeth
5431028 rudd Scardinius erythrophthalmus
5431159 Asian swamp eel Monopterus albus
5431061 red-bellied pacu Piaractus brachypomus
5431523 lionfish Pterois volitans
5431062 red-bellied pacu Piaractus brachypomus
1354058 northern snakehead Channa argus Open mouth, showing sharp teeth
5431059 red-bellied pacu Piaractus brachypomus
5431060 red-bellied pacu Piaractus brachypomus
5431588 Asian clam Corbicula fluminea Broad River, Hwy 64-74A, ~1.5 mi W of Rock Springs Road bridge and ~ 3 mi E of Lake Lure dam
5431077 Asian clam Corbicula fluminea
5431566 zebra mussel Dreissena polymorpha
5431076 Asian clam Corbicula fluminea
5431075 Asian clam Corbicula fluminea
5431074 Asian clam Corbicula fluminea
5431047 speckled trout Cynoscion nebulosus
5431046 channel bass Sciaenops ocellatus
5431587 Asian clam Corbicula fluminea
5431525 green anaconda Eunectes murinus
5431109 yellowflag iris Iris pseudacorus
1354052 northern snakehead Channa argus
1354055 northern snakehead Channa argus
1354053 northern snakehead Channa argus
1354019 cane toad Rhinella marina
1354020 cane toad Rhinella marina
1354017 cane toad Rhinella marina
5431038 Chinese mitten crab Eriocheir sinensis
5431599 lionfish Pterois volitans
5431595 yellow mud turtle Kinosternon flavescens
5431598 lionfish Pterois volitans
5431602 lionfish Pterois volitans
5431535 lionfish Pterois volitans
5431531 lionfish Pterois volitans
5431603 lionfish Pterois volitans
5431607 red-bellied pacu Piaractus brachypomus
5431608 American alligator Alligator mississippiensis
5431557 spotted bass Micropterus punctulatus
5431114 roundleaf toothcup Rotala rotundifolia
5431058 red-bellied pacu Piaractus brachypomus
5431590 oscar Astronotus ocellatus
5431564 rainbow trout Oncorhynchus mykiss The metoius River in eastern oregon is a stronghold for the redband trout.  Within a few miles of the headwaters springs, the river bursts to life with nearly two thousand CFS of aqua blue spring water that gushes from an underground aquifer in the lava rocks.  This is a stunning high gradiant spring creek on steroids.  While the fish are few and far between, the mere flash of one of these redsides is reward enough for many a angler.  Offering fisherman the most challenging of conditions, the Metolious natives may be the most difficult rainbows anywhere.  After many cold days with little success I found a spot that only took a quarter for the fish to cooperate.The metoius River in eastern oregon is a stronghold for the redband trout.  Within a few miles of the headwaters springs, the river bursts to life with nearly two thousand CFS of aqua blue spring water that gushes from an underground aquifer in the lava rocks.  This is a stunning high gradiant spring creek on steroids.  While the fish are few and far between, the mere flash of one of these redsides is reward enough for many a angler.  Offering fisherman the most challenging of conditions, the Metolious natives may be the most difficult rainbows anywhere.  After many cold days with little success I found a spot that only took a quarter for the fish to cooperate.
1624045 firetree Morella faya Native to the Canary Islands, Madeira, and the Azores. It was introduced to Hawaii as an ornamental, probably by Portuguese laborers, who made wine from the fruit. It was first recorded in Hawaii in 1900. Firetree increases available nitrogen on new volcanoe sites. This allows nonnative plants to invade before native species have a chance to become established.
1354018 cane toad Rhinella marina

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