藻類の画像素材（写真・イラスト） 1ページ目

ストロマトライトの層

ストロマトライト

ミカヅキモ

水質汚濁により池の水面に大量発生したアオコ（水質富栄養化）

草津白根山周辺に生息している橙色の小さな生物（20260902122901）

白樺湖周辺の地衣類

白樺湖周辺の地衣類

白樺湖周辺の地衣類

白樺湖周辺の地衣類

白樺湖周辺の地衣類

白樺湖周辺の地衣類

静かに緑の光をたたえる池と水面に浮かぶ落葉の静寂

樹皮に生えている地衣類やコケ類の小さな群落

山の斜面にびっしりと生えた苔

山の斜面にびっしりと生えた苔

山の斜面にびっしりと生えた苔

ムーンタベイの干潮時に現れた赤茶色の岩礁と潮だまり

山寺の参道 苔の生えた石垣

杉の樹皮に生息している苔や地衣類（サルオガセ）の植物

山寺の参道 苔の生えた石垣

【#環境問題】アオコとごみが浮かぶ汚い池の水面

ムーンタベイの干潮時に現れた赤茶色の岩礁

杉の樹皮に生息している苔や地衣類（サルオガセ）の植物

山寺の参道 苔の生えた石垣

ムーンタベイの干潮時に現れた赤茶色の岩礁

山の斜面にびっしりと生えた苔

カメ 群れ 甲羅干し

山の斜面にびっしりと生えた苔

山の斜面にびっしりと生えた苔

色々な形の石の組み合わせで出来ている 山寺 参道の石垣

草津白根山周辺に生息している橙色の小さな生物（20260902122835）

【#環境問題】アオコとごみが浮かぶ汚い池の水面

山寺の参道脇 大小さまざまな石組みと鮮やかな緑の植物

海藻の生える浜名湖の湖底(静岡県　浜名湖)

海藻の生える浜名湖の湖底(静岡県　浜名湖)

海藻の生える浜名湖の湖底(静岡県　浜名湖)

海藻の生える浜名湖の湖底(静岡県　浜名湖)

海藻の生える浜名湖の湖底(静岡県　浜名湖)

Rugged rocky coastline at dusk with calm sea, silhouetted pine trees, hillside houses with warm lights, and bioluminescent green glow near rocks under crescent moon

海藻の生える浜名湖の湖底(静岡県　浜名湖)

Resting shark blends with environment. Elongated predator rests on rocky reef in camouflage

Reef environment hosts elusive moray eel showcasing distinctive spotted markings and cautious stance

Mossy rock surface covered with green moss and pale lichen, rough textured stone outdoors in natural setting, close-up, with moss, rock, surface, green detail, showing lichen, texture, outdoor

Stunning Rocky Coastal Landscape Showcasing Vibrant Greens and Expansive Ocean View

Aquarium urchins cast shadows on rocks. Blue and purple urchins create dramatic silhouettes underwater

Dam gate releasing flowing water. Concrete sluice gates with turbulent water and algae streaks visible

Serene marine environment with lone fish swimming over vibrant coral formations under soft lighting

Old structure reflects natural renewal. Water stain marks tell stories of decay and rebirth in nature

Birdseye view of concrete dam basin with cascading water, metal railings, and thriving plants along mossy walls, with dam, water, concrete, basin detail, showing ladder, railing, ledge, plant context

Numerous tiny fish with distinctive stripes move dynamically across mossy rocks in lively aquatic environment

Complex coral ensembles featuring lively polyps and vivid illumination in aquatic environments

Quiet lake with distant trees. Tranquil lake showing distant woodland under evening light scene

Colorful coral habitat with active fish. Detailed image showcasing lively marine ecosystem beneath waves

Rugged rocky coastline with jagged beige cliffs descending to calm azure sea, sunlit coastal scene with vegetation and rocky outcrops along clear water horizon.

Overgrown river bank covered with green duckweed and stones under sunlight

Experience the serene beauty of coastal tide pools filled with vibrant green algae

Rocks in Stream.

Dense forest shoreline beside mossy bank and algae covered pond under shaded canopy with fallen leaves and driftwood along water edge, with forest, tree, shoreline, pond detail

High angle view of large dark stones and green grass on river bank

Bright reef with vivid corals. Underwater scene of dazzling corals illuminated by vibrant lights

Serene water reveals axolotl details. Transparent skin showcases delicate gill arches beautifully

Closeup of fish showing features. Detailed fish portrait highlighting texture and aquatic environment

Witnessing the Lush Green Algae Flourishing on the Rocky Shoreline with Tidal Pools Nearby

Marine fish peering from rocky hideout. Underwater fish observe from hidden rocky shelter in sand

Old mosscovered stones behind metal grid. Closeup of aged stones and lush natural moss growth

Forest stream winding through mossy rocks and autumn leaves in dense woodland, sunlight filtering through trees and shimmering ripples on clear shallow water reflections

Tranquil wooded creek with mosscovered logs. Quiet forest waterway with mist and reflective ripples

Funguscovered Log Shows Signs Of Life. Overcast Scene Portrays Decomposition And New Growth Emerging

Weathered limestone cave wall with green moss and erosion patterns

Diagonal perspective highlights repetitive geometry and natural aging of wooden structures

Close-up of mossy cave wall with mineral streaks and fissures

Mossy limestone rock cliff with honeycomb cavities and weathered crevices in rugged outdoor terrain, with rock, cliff, limestone, moss detail, showing honeycomb, cavity, hole, weathered context

Enjoy the serene coastal view with a picturesque pier and vibrant ocean, ideal for relaxation

Nurturing Female Mallard Carefully Steering Ducklings Beneath Reflective Canopy Of Foliage

Mossy stone retaining wall above shallow riverbed

Exploring a Rocky Seashore with Tide Pools Filled with Diverse Marine Life and Wonders

Close-up view of dark mossy rock surface showing dense green moss, wet texture, intricate patterns, and rugged organic detail across stone features and damp mineral substrate

Calm woodland with water and trees. Tranquil natural setting featuring pines and reflective water

Industrial walkway scene. Weathered industrial bridge spanning small waterway with rust and plant growth

Stealthy sea predator. Hidden moray eel lies motionless among branches with sandy and silt background

Mossy boulders and weathered rockface form rugged wall along mossy stonework with crevices and natural texture in quiet outdoor scene showing gray tones, green patches, and moss growth near forested

Funguscovered Log Shows Signs Of Life. Overcast Scene Portrays Decomposition And New Growth Emerging

Ancient wood remains. Derelict pier foundations with algae and barnacle growths beneath cloudy skies

Serene underwater setting showcasing fish nestled among tangled roots and textured bark for concealment

Industrial water intake with ladders. Submerged intake with maintenance facilities and textures

Vivid multicolored coral clusters combined with textured reef structures illuminated by gentle aquamarine hues

Quiet seaside cove under subdued skies, Peaceful shoreline with soft lighting and distant village views

Calm nocturnal freshwater environment showcasing textured skin and mottled camouflage patterns

Serene aquatic habitat. Idyllic freshwater landscape showcasing fish swimming among moss and pebble beds

Drainage structure releasing water with turbulence and textured surfaces highlighting climate issues

Nurturing Female Mallard Carefully Steering Ducklings Beneath Reflective Canopy Of Foliage

Tranquil underwater environment showcasing fish peacefully navigating lush plantfilled habitat

Chilly forest stream with rocks. Serene frozen water flow surrounded by stone and ice formations

Industrial canal spillway featuring weathered concrete walls, rusted metal rails, and cascading water under sparse greenery in urban drainage setting with moss and stone architecture

Closeup view revealing intricate textures and gentle glow of coral polyps in macro fashion

Beautifully Natural Textured Rock Wall Surrounded by Vines and Abundant Moisture

Tranquil underwater portrait capturing majestic angelfish surrounded by vibrant green plants and flowing fins

Metal grating footbridge over mossy canal with stone wall backdrop and green algae under lush ivy environment, with bridge, metal, grating, footbridge detail, showing walkway, canal, water, algae

High angle view of rocky river bank with green duckweed and wild vegetation

Water in motion. Scene showing water in perpetual motion with twisting circular flows and eddy formations