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The three-spined stickleback (Gasterosteus aculeatus)
Gudgeon (Gobio gobio). Wildlife animal.
A fish The three-spined stickleback (Gasterosteus aculeatus) on the background of a 5 mm measurement grid. Ichthyology research.
Pacific herring swimming in the aquarium
Port Jackson Glassfish, (Ambassis jacksoniensis), Narooma, NSW, January 2023
小魚
Channa maculata swimming in fish tank. An omnivorous fish that lives in the Mekong Delta is used to feed farmers during floods
winter background with frozen fish. underwater shootings of the Baltic smelt (Osmerus eperlanus)
Sea life Gavun ( lat.  Atherina hepsetus ) fish Underwater  Mediterranean sea Scuba diver point of view
Three-spined stickleback (Gasterosteus aculeatus, Gasterosteus gymnurus), Dreistachelige Stichling swims in an Alpine pond in Tyrol, Austria
Pacific halibut swims in the aquarium
Ninespine Stickleback Pungitius pungitius
Channa Orna Fish In Aquarium
Stickleback, gasterosteus aculeatus
Pseudotropheus johannii or the bluegray mbuna. Isolated in black
The female of three-spined stickleback fish Gasterosteus aculeatus in underwater habitat
The Arctic grayling (Thymallus arcticus) is a species of freshwater fish in the salmon family Salmonidae. T. arcticus is widespread throughout the Arctic and Pacific drainages in Canada, Alaska, and Siberia, as well as the upper Missouri River drainage in Montana.  Wyoming.
Tadpole fish in the pond, close up of fish head
My home fish tank
Photo of Golden sweeper, a juvenile saltwater fish, against a black background.
Orange fish
Small fish \
Painted Comber, small seabass grouper fish family Serranus Scriba, of Serranidae family from Mediterranean sea on white wood background
Sunbleak or Belica freshwater fish (Leucaspius delineatus). It has an upward-turned mouth and a short lateral line which extends about seven to ten scales from the gill cover. Wildlife scene of nature in Europe.
Perch (Perca fluviatilis)
STICKLEBACK gasterosteus aculeatus
Canary rockfish, Sebastes pinniger, is a rockfish of the Pacific coast, aquarium, Seward, Alaska
little  stickleback on white background
Fish skeleton on black background
Free Images: "bestof:FMIB 49685 Three-spined Stickleback.jpeg Three-spined Stickleback Subject Sticklebacks Tag Fish 1910 Cite book Life-History and Habits of the Saomon Sea-Trout"
FMIB_43267_Moose.jpeg
FMIB_47518_Both_trout_ans_bass_are_cultivated_at_many_of_the_stations_This_view_of_the_station_at_Manchester,_Iowa,_shows_stock_ponds_in.jpeg
FMIB_51605_Coral_Reef_at_Apia.jpeg
FMIB_36296_Pond_Fish-Cultural_Station,_Mammoth_Spring,_Ark_(Bureau_of_Fisheries).jpeg
Gasterosteus_aculeatus_Linnaeus_1758_Fig_165_(Matschie_et_al._1909).svg
FMIB_34492_Cannery,_Hoonah,_Alaska.jpeg
FMIB_42819_Oyster_Farm_at_Kaidaichi.jpeg
FMIB_42802_View_of_a_Turtle_Farm,_Fukagawa,_Tokyo,_Japan.jpeg
FMIB_49016_Kootenay_Indian_family_at_Moyle_Lake.jpeg
FMIB_33626_Lake_Pepin.jpeg
FMIB_38488_Coral_Reef_of_the_Bahamas.jpeg
Viola-shelly-shantz-award.jpg
FMIB_49685_Three-spined_Stickleback.jpeg
FMIB_38965_Gasterosteus_aculeatus.jpeg
FMIB_49478_Alevins.jpeg
FMIB_49483_Smolt.jpeg
FMIB_49686_Minnow.jpeg
FMIB_49708_Flounder.jpeg
FMIB_49715_Loach.jpeg
FMIB_49705_Powan.jpeg
FMIB_49707_Daphniae.jpeg
FMIB_49677_Grayling_from_the_Isla.jpeg
FMIB_49684_5-lb_Tench.jpeg
FMIB_49709_Flounder,_underside.jpeg
FMIB_49710_Allis_Shad.jpeg
FMIB_49711_Mouth_of_Shad.jpeg
FMIB_49489_Real_smoltstwo_years_old.jpeg
FMIB_49683_Sea_lice.jpeg
FMIB_49706_Head_of_Powan.jpeg
FMIB_49528_Rawner,_showing_the_ova.jpeg
FMIB_49529_-Salmon_scale-_April_1905.jpeg
FMIB_49604_1-lb_Whitling_April_1904.jpeg
FMIB_49679_34-lb_Malloch's_Char_Scourie,_Sutherlandshire.jpeg
FMIB_49530_-Salmon_scale-_1_oz_August_1904.jpeg
FMIB_49580_58-lb_Tay_Male_Salmon_June.jpeg
FMIB_49622_Heads_of_Sea-trout_July_1907.jpeg
FMIB_49647_Loch_Scye,_Caithness_July_1902.jpeg
FMIB_49668_19-lb_Loch_Ramoch_Trout.jpeg
FMIB_49688_Young_Eels_July_1909.jpeg
FMIB_49714_Sea-trout_marked_by_Lamprey.jpeg
FMIB_49494_Male_Grilse,_5_lbs_Tay,_15th_July_1907.jpeg
FMIB_49514_7-lb_Female_Kelt_Grilse_March_1903.jpeg
FMIB_49522_Salmon_Spawning-Bed.jpeg
FMIB_49532_-Salmon_Scale-_1_12_oz_April_1905.jpeg
FMIB_49535_-Salmon_Scale-_3_lbs_1st_June_1905.jpeg
FMIB_49540_-Salmon_Scale-_7_lbs_20th_July_1907.jpeg
FMIB_49541_-Salmon_Scale-_1-_;bs_10tj_Febriaru_10-8.jpeg
FMIB_49544_-Salmon_Scale-_6_lbs_8th_March_1907.jpeg
FMIB_49577_44-lb_Male_Shannon_Salmon_May_1902.jpeg
FMIB_49591_18-lb_Female_Salmon,_unspawned_November_1900.jpeg
FMIB_49606_2_12-lb_Sea-trout_1st_July_1904.jpeg
FMIB_49628_9-lb_Durness_Trout,_Sutherland_June_1908.jpeg
FMIB_49641_5-lb_Loch_Crosophuill_Trout,_Sutherland_1900.jpeg
FMIB_49644_Gillaroo_Trout,_Loch_Mulach-Corrie,_Sutherland.jpeg
FMIB_49649_Loch_Hundland_Trout,_Orkney_July_1899.jpeg
FMIB_49650_34-lb_German_Trout,_2_12_years_old.jpeg
FMIB_49657_13-lb_Loch_Rannoch_Trout_July_1905.jpeg
FMIB_49658_14-lb_Loch_Rannoch_Trout_Jume_10-7.jpeg
FMIB_49659_13-lb_Loch_Rammoch_Trout_June_1903.jpeg
FMIB_49660_16-lb_Loch_Rannoch_Trout_May_1903.jpeg
FMIB_49661_11-lb_Loch_Quoich_Trout_July_1906.jpeg
FMIB_49662_10-lb_Loch_Quoich_Trout_July_1900.jpeg
FMIB_49663_16-lb_Loch_Rannoch_Trout_June_1903.jpeg
FMIB_49664_15-lb_Loch_Quoich_Trout_June_1901.jpeg
FMIB_49665_8-lb_Loch_Veyatie_Trout_June_1906.jpeg
FMIB_49666_7-lb_River_Dean_Trout_July_1900.jpeg
FMIB_49667_6-lb_Loch_Veyatie_Trout_July_1906.jpeg
FMIB_49669_5-lb_Loch_Crosophuill_Trout_June_1902.jpeg
FMIB_49703_14-lb_Vendace_Loch_Maben_June_1904.jpeg
FMIB_49479_Parrone_year_old_1st_April,_1903.jpeg
FMIB_49480_Salmon_Parr_River_Dochart,_September,_1906.jpeg
FMIB_49496_Female_Grilse,_9_lbs_The_Tay,_1st_August_1906.jpeg
FMIB_49500_Small_spring_fish,_8_12_lbs_6th_April_1907.jpeg
FMIB_49501_Small_spring_fish,_13_lbs_30th_April_1907.jpeg
FMIB_49516_7-lb_Kelt,_small_Spring_fish_March_1908.jpeg
FMIB_49525_Salmon_Spawning,_Mae_and_Female_November_1904.jpeg
FMIB_49549_-Salmon_Scale-_27_lbs_27th_June_1907.jpeg
FMIB_49560_-Salmon_Scale-_14_lbs_27th_March.jpeg
FMIB_49612_14-lb_Tay_Sea-trout_14th_August_1906.jpeg
FMIB_49616_7-lb_Grilse_-top-.jpeg
FMIB_49618_8-lb_Sea-trout_-upper-.jpeg
FMIB_49635_Trout_spawning-bed,_showing_the_gravel_heaped_up.jpeg
FMIB_49637_1-lb_Loch_Stattel_Trout,_Sutherland_July_1900.jpeg
FMIB_49639_3-lb_Loch_Crosophuill_Trout,_Sutherland_June_1900.jpeg
FMIB_49640_4-lb_Loch_Crosophuill_Trout,_Sutherland_June_1903.jpeg
FMIB_49648_Loch_Balligill_Trout,_Melvich,_Sutherland_July_1901.jpeg
FMIB_49651_10_12-lb_Loch_Killarney_Trout_April_1907.jpeg
FMIB_49656_7-lb_Loch_Shin_Trout,_Sutherland_June_1902.jpeg
FMIB_49680_2-lb_Salmo_fontinalis_The_Tay,_June_1904.jpeg
FMIB_49704_Gwyniad,_caught_by_H_Anderson,_Esq_Ullswater_1904.jpeg
FMIB_49712_Mouth_of_a_Lamprey,_showing_the_sucker_and_teeth.jpeg
FMIB_49497_Male_Grilse,_14_lbs_The_Tay,_20th_August_1902.jpeg
FMIB_49498_Male_Grilse,_10_lbs_The_Tay,_10th_August_1906.jpeg
FMIB_49521_Salmon_Spawning-Bed_on_the_Tay.jpeg
FMIB_49531_-Salmon_Scale-_1_12_oz_Stormonfield_Ponds,_19th_March_1908.jpeg
FMIB_49533_-Salmon_Scale-_1_14_lbs_4th_May_1907_North_Esk.jpeg
FMIB_49534_-Salmon_Scale-_2_12_lbs_4th_May_1906_North_Esk.jpeg
FMIB_49545_-Salmon_Scale-_10_12_lbs_15th_March_1907.jpeg
FMIB_49552_-Salmon_Scale-_18_lbs_20th_August_1907.jpeg
FMIB_49555_-Salmon_Scale-_38_12_lbs_13th_February_1908.jpeg
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