Dan Olsen

Dan Olsen

Denmark
Denmark

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1,322 stock photos, vectors, and illustrations are available royalty-free.

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live foods for aquarium fish, fresh hatched brine shrimp (Artemia salina)
live foods for aquarium fish, fresh hatched brine shrimp (Artemia salina)
Golden Rutile mineral in Quartz, from Brazil
Info: Sabana Surinam toad (Pipa parva) with eggs attached to her back
The Choutengan "Celestial Eye" (Carassius auratus) Goldfish with crazy eyes
River Loaches or Tiger Hillstream Loach (Sewellia lineolata) one of the best algae eater for fish tank
Southern platyfish (Xiphophorus maculatus) very common and easy aquarium fish, Orange Sunset Platy
Nice specimen of Magnetite, is largely covered with sharp octahedra of magnetite associated with sharp, smaller, creamy, off-white crystals of a feldspar.
Zaire Dwarf Clawed Frog (Hymenochirus boettgeri) popular for keeping in fish tank
Burgundy Goliath Bird Eater (Theraphosa stirmi) Theraphosa Tarantula are World Biggest Spider species
Very fast and creepy six-eyed Sand Spider (Sicarius sp) - quick catching and killing of their prey.
Formosan-termit "Coptotermes formosanus" invasive termite, nicknamed the super-termite because of its destructive habits
Info: Sabana Surinam toad (Pipa parva) with eggs attached to her back
Steel-blue Killifish (Fundulopanchax gardneri) very popular and colorful aqaurium fish from africa
Ropefish or snakefish (Erpetoichthys calabaricus) is funny eel-like bichir that can survive in very oxygen-poor water
Southern platyfish (Xiphophorus maculatus) very common and easy aquarium fish, Orange Sunset Platy
Enokitake or enoki (Flammulina velutipes) white mushroom used i food and salads, also known by the name golden needle mushroom or lily mushroom
common name Spotted nerite aquarium snail (Neritina natalensis)
Zebrafish (Danio rerio) aquarium barb fish on isolated black background
Cluster of blue transparency Beryl var. Aquamarine Crystals from Erongo Mountains, Erongo Region, Namibia
Corn Snake Eggs Hatching (Pantherophis guttatus) morph Coral Snow
wrestling halfbeak (Dermogenys pusilla) also known as Malayan halfbeak is a species of viviparous halfbeak native to the fresh and brackish waters
Lesser Hedgehog Tenrec babies (Echinops telfairi) madagascar pet hedgehog
ant‐mimicking spider (Aphantochilus rogersi) well camouflaged crab spider
little Epipedobates anthonyi 'Santa Isabel' - Phantasmal Poison Dart Frog
gold color aqaurium fish, Long finned Rosy barb (Pethia conchonius)
Photo of green Indian five-fingered frog (Euphlyctis hexadactylus) from the swamp area near Tissamaharama, south Sri Lanka
little Epipedobates anthonyi 'Santa Isabel' - Phantasmal Poison Dart Frog
Specimen of sharp, lustrous Emerald Green Dioptase crystals combined with Calcite. Great contrast, from Sanda, Kimbedi, Mindouli District, Pool Department, Republic of the Congo
Specimen of sharp, lustrous Emerald Green Dioptase crystals combined with Calcite. Great contrast, from Sanda, Kimbedi, Mindouli District, Pool Department, Republic of the Congo
Golden Rutile mineral in Quartz, from Brazil
Corn snake (Pantherophis guttatus) eating a little Gerbil
Rare red Villiaumite mineral in Fluorcaphite. Poisonous! Fluoride ion in water-soluble form is what makes this mineral highly toxic, May be fatal if swallowed or inhaled.
Museum mineral specimen, beautiful combo piece featuring tabular clear Baryte crystals and tiny rosettes of Orpiment from Quiruvilca Mine, Peru
Museum mineral specimen, beautiful combo piece featuring tabular clear Baryte crystals and tiny rosettes of Orpiment from Quiruvilca Mine, Peru
Wildlife Giraffe Weevil beetle (Trachelophorus giraffa) Rainforest in Andasibe, Madagascar
Beautiful Black Opal from Australian, Very rare and expensive gemstone
Male of Mallard Duck (Anas platyrhynchos) in little lake with nice reflections in City Lake near copenhagen. Most common wild duck in Denmark
Male of The common Tufted duck (Aythya fuligula) in little lake with nice reflections in City Lake near copenhagen.
Female of The common Tufted duck (Aythya fuligula) in little lake with nice blue reflections in City Lake near copenhagen.
Grey heron (Ardea cinerea) Catching a European perch fish, in Gentofte Lake in Copenhagen, Denmark
Great Crested Grebe (Podiceps cristatus) in golden hour time light
Portrait of Greylag goose (Anser anser) in Gentofte Lake, city park in Copenhagen City, Denmark
Wildlife photo of Strawberry Poison Frog (Oophaga pumilio) from Costa Rica Rainforest
Spider eggs in Egg sac from the False Black Widow spider or cupboard spider (Steatoda grossa) cobweb spider found in houses in Europe
Female of the False Black Widow spider or cupboard spider (Steatoda grossa) Common cobweb spider found in houses in Europe
Female of the False Black Widow spider or cupboard spider (Steatoda grossa) Common cobweb spider found in houses in Europe
Female of the False Black Widow spider or cupboard spider (Steatoda grossa) Common cobweb spider found in houses in Europe
Female of the False Black Widow spider or cupboard spider (Steatoda grossa) Common cobweb spider found in houses in Europe
Female of the False Black Widow spider or cupboard spider (Steatoda grossa) Common cobweb spider found in houses in Europe
Brown centipede or Stone centipede (Lithobius forficatus) is a common European centipede of the family Lithobiidae from scandinavian forest floor
Brown centipede or Stone centipede (Lithobius forficatus) is a common European centipede of the family Lithobiidae from scandinavian forest floor, isolated in white background
Very Angry Greylag Goose (Anser anser) in grass field in city park
Rare deep red color Cuprite Crystals on the matrix from Milpillas mine, Municipio de Santa Cruz, Sonora, Mexico
Sharp, translucent, gemmy light blue Euclase crystal from Rio Grande, Brazil
Wild Life Greylag Goose with cute goslings in lake in Utterslev park, Copenhagen
common aquarium fish, the Green pufferfish (Dichotomyctere fluviatilis) formerly: Tetraodon fluviatilis
common aquarium fish, the Green pufferfish (Dichotomyctere fluviatilis) formerly: Tetraodon fluviatilis
common aquarium fish, the figure 8 puffer or eyespot puffer (Dichotomyctere ocellatus) formerly: Tetraodon biocellatus from Mekong river.
Pink breed of the popular freshwater fish Tiger barb or Sumatra barb (Puntigrus anchisporus) the tiger barb or Sumatra barb
Fantail Lionhead Red Cap Goldfish (Carassius auratus) popular in bowl aquariums
Fantail Lionhead Red Cap Goldfish (Carassius auratus) popular in bowl aquariums
Fantail Lionhead Red Cap Goldfish (Carassius auratus) popular in bowl aquariums
Fantail Lionhead Red Cap Goldfish (Carassius auratus) popular in bowl aquariums
Fantail Lionhead Red Cap Goldfish (Carassius auratus) popular in bowl aquariums
Beautiful orange wulfenite crystal on brown gossan matrix with scattered calcite crystals. The wulfenite crystal is translucent and very lustrous, with beveled edges. Classic Red-Cloud-orange color.
Common aquarium fish, Red-tailed Rasbora or Blackline rasbora (Rasbora borapetensis)
flat-backed millipede (Polydesmus angustus) from scandinavian forest floor
Colorful Striped bug (Graphosoma italicum) The red and black striped insect is also known as the Striped bug (or Italian striped bug) and Minstrel bug
Specimen of botryoidal, green Duftite combined with lustrous, sharp Dioptase crystals in great, emerald green color on matrix. Great colors and contrast. From Ntola Mine, Congo
Specimen of sharp, lustrous Emerald Green Dioptase crystals combined with Calcite. Great contrast, from Sanda, Kimbedi, Mindouli District, Pool Department, Republic of the Congo
Gemmy crystal of rare Chrome-Tremolite in great, lime green color, from Merelani Hills (Mererani), Lelatema Mountains, Simanjiro District, Manyara Region, Tanzania
Wavellite from mine in Garland County, Arkansas, showing spherical structure.
Wavellite is a very attractive mineral, well-known to collectors. Its radial aggregate crystal clusters.
Purple bloom tarantula (Pamphobeteus sp machalla) from Ecuador
Translucent Green-blue Plumbogummite growing on yellow-green Pyromorphite crystals on matrix stone, from new collection in Guilin, Guangxi, China
Nice Golden Brown Calcite Crystals on matrix stone, from new location in Guizhou, China
Rare Natural Flower Purple Creedite Crystals on matrix stone, Cluster Mineral Specimen from Qinglong County, Qianxinan, Guizhou, China
Rare Natural Flower Purple Creedite Crystals on matrix stone, Cluster Mineral Specimen from Qinglong County, Qianxinan, Guizhou, China
Young female Antilles Pink Toe Tarantula (Caribena versicolor) Synonym: Avicularia versicolor
Beautiful cluster of Baryte mineral partly covered by shiny pyrite crystals, very Aesthetic specimen from Lubin mine, Lubin, Lower Silesia, Poland
Beautiful cluster of Baryte mineral partly covered by shiny pyrite crystals, very Aesthetic specimen from Lubin mine, Lubin, Lower Silesia, Poland
Super Electric Sky Blue and rare Evansite on matrix, a aluminum phasphate mineral, from Baoshan, Yunnan, China
Super Electric Sky Blue and rare Evansite on matrix, a aluminum phasphate mineral, from Baoshan, Yunnan, China
Common European species of pill millipede (Glomeris marginata) millipede, rounded in cross-section, which is capable of rolling itself up into a ball, looks closely woodlouse
Rare red Villiaumite mineral in Fluorcaphite. Poisonous! Fluoride ion in water-soluble form is what makes this mineral highly toxic, May be fatal if swallowed or inhaled.
Amazing botryoidal nice Blue Gibbsite Cluster from Xianghualing, China
Amazing botryoidal nice Blue Gibbsite Cluster from Xianghualing, China
Beautiful cluster of Baryte - Barite crystals, from the Lubin copper mining area in Lower Silesia, Poland.
Beautiful cluster of Baryte - Barite crystals, from the Lubin copper mining area in Lower Silesia, Poland.
Beautiful cluster of Baryte - Barite crystals, from the Lubin copper mining area in Lower Silesia, Poland.
Beautiful cluster of Baryte - Barite crystals, from the Lubin copper mining area in Lower Silesia, Poland.
Beautiful cluster of Baryte - Barite crystals, from the Lubin copper mining area in Lower Silesia, Poland.
Rare Natural Purple Creedite Crystals on Gypsum Cluster Mineral Specimen from Dachang Sb ore field, Qinglong County, Qianxinan, Guizhou, China
Rare Natural Purple Creedite Crystals on Gypsum Cluster Mineral Specimen from Dachang Sb ore field, Qinglong County, Qianxinan, Guizhou, China
Super Cool and Lustrous Yellow Fluorite Crystals on matrix, from classic locality in Sidi Ayed, Morocco.
Super Cool and Lustrous Yellow Fluorite Crystals on matrix, from classic locality in Sidi Ayed, Morocco.
Super Cool and Lustrous Yellow Fluorite Crystals on matrix, from classic locality in Sidi Ayed, Morocco.
Well-camouflaged ambush predators, the Brackish-water frogfish (Antennarius biocellatus) from Indonesia, New Guinea, the Solomons
Very popular and common aquarium fish, the Dwarf Gourami (Trichogaster lalius) synonym: Colisa lalia
Scandinavian Landscape photo - Mountain Seglfjellet and river in Beiarn, Northern Norway
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