砂利底の画像素材（写真・イラスト） 1ページ目

室内でメダカを飼う水槽のレイアウト

園芸用の石

園芸用の石

カラフルな砂礫の上を歩く小さな可愛いサワガニ（カニ）の俯瞰クローズアップ

白い砂利の水槽を泳ぐシルバーのメダカ

Rushing Mountain River in Golden Autumn Tundra with Snowy Peak Background

雨でぬかるんだ地面に残る靴跡 ／ 雨天や悪路、足跡を印象的に表現するテクスチャ素材

Rounded river stones in varied gray, brown, blue, and green tones cover the ground, with sunlight illuminating a textured section among darker pebbles

渓谷 深い緑 俯瞰

水底を泳ぐおたまじゃくし達

水槽のヤドカリ

Textured ground with river rocks and wood debris

水槽-3

Rocky Riverbed Landscape with Smooth Pebbles and Dry Terrain

Scenic river valley and mountain landscape near Kavalar village

水槽-1

水槽-2

水槽-4

Natural Pebbles and Stones Texture Background

Clear Stream Flowing Through Vibrant Crimson Autumn Tundra Landscape

Sunlight refracts through clear water onto smooth stones in an abstract natural scene

Misty Riverbed Scarred by Flood Damage

清流の川底に広がる美しい水面の模様

清流に揺れる緑の藻と初夏の木漏れ日

Submerged Patterned Ground and Sorted Stone Circles in Clear Arctic Lake

Natural river sand surface with fine grains, mineral deposits, and small pebbles. Shows layered textures, damp areas, and shallow water along the shoreline. Earthy tones with gray and brown colors.

Misty Mountain Lake with Golden Tundra Shore in Petrelius Valley

River Sand With Layered Mineral Lines

Close-up of smooth natural pebbles covering the ground, photographed with shallow depth of field and muted earthy tones, creating an organic texture.

Rocky Washout Across Mountain River Valley

Natural river stones and smooth pebbles background texture

Brown cattle resting and standing on a wide, rocky riverbed in a majestic mountain valley on a clear day

African Lungfish resting on aquarium floor aquatic life

Kverna River between mossy cliffs in Kvernugil canyon downstream from Kvernufoss, Iceland

Debris Covered Valley After Mountain Flood

River Sand Edge With Shallow Water

Berat Albania rests along Osum River, with dense pale buildings beneath forested ridge. Gravel riverbanks, surrounding hills and blue sky give historic town broad scenic setting, with rooftops

Wet River Sand With Gravel Patch

Pure natural spring water splash representing sustainable eco technology and clean water resources

Kvernufoss waterfall and Kverna River beneath moss-covered cliffs in Iceland

Damp River Sand Texture and Pebbles

Tadpoles Swimming Over Pebbles In Shallow Pond Water During Spring Amphibian Development

砂底に擬態するカレイと岩陰を泳ぐタイセイヨウダラ

Red Volcanic Riverbed Rocks Seamless Texture

Temporary Riverbed Road Through Flood Damaged Valley

Brown cattle resting and standing on a wide, rocky riverbed in a majestic mountain valley on a clear day

Natural River Stone Background and Texture

Agricultural irrigation next to a dry riverbed during drought at Ribeira da Raia, Acude do Furadouro.

Stones on dried riverbed

Autumn foliage gathers along a clear stream among exposed stones and mossy rocks

Small stones on dried riverbed

Scenic Autumn Mountain Reflection in Clear Tundra Stream

Natural Blue Riverbed Rocks Seamless Texture

Smooth quartzite pebble resting on textured sandy ground, natural sunlit stone surface showing intricate mineral patterns captured during a peaceful rockhounding session

Haifoss waterfall above a rocky canyon pool below cliffs in Thjorsardalur, Iceland

Aerial photograph of the Mann River flowing through a rocky channel, with pale granite slabs, boulders and native bushland along the banks in New South Wales.

Clear shallow water laps over textured pebbles and sandy riverbed, revealing submerged stones bathed in warm evening sunlight

Broad-Leaved Willowherb And The Yellow Mountain-Avens

Kok-Moinok Canyon narrow red sandstone gorge with rocky trail in Kyrgyzstan

Striking red flint fragment submerged in clear river water, gleaming amongst diverse riverbed stones. Natural beauty and unique geology close-up

Kvernufoss waterfall with faint rainbow and rocky river foreground in Iceland

Stacked Stones on the Bank of a Mountain River

Clear shallow mountain stream flowing between large boulders and scattered stones, with blue sky reflections and green plants on the banks

Broad-Leaved Willowherb And The Yellow Mountain-Avens

Dry riverbed of the Rhine River due to climate change and severe drought, Germany

Perfect Triangle Mountain Peak Reflection in Still Autumn Tundra Pond

Natural pebbles under clear shallow water, stone texture background

Clear shallow water flowing over rounded stones with green algae and rippled textures, natural aquatic background viewed from above

Crystal clear shallow water reveals a sandy bottom and tiny pebbles, creating a serene aquatic scape bathed in warm evening glow

Hand gripping wet, rustic flint-chalcedony specimen, its earthy tones gleaming. Natural find from a rocky creek bed, showcasing raw geologic beauty

Sunlit green stones beneath clear shallow water creating a natural textured pattern with ripples and reflections in a streambed close up

landscape of rapid wild river flowing through a lush green tropical forest. Riverbed and banks are covered with natural rocks and pebbles for travel in nature exploration and environmental in Thailand

Challenging Rocky Off-Road Track Flooded by Mountain Stream in Autumn

Close up of hiking shoes walking on forest trail

Sunlit river shallows with green algae, rounded stones, clear rippling water, and moss covered rocks in a natural aquatic landscape

Smooth river stones beneath clear shallow water with green algae and natural textures in a rocky streambed landscape

Sunlit rocky beach with scattered smooth stones, coarse sand, warm tones, short shadows, and textured coastal ground forming natural background for outdoor landscape concepts

Natural River Stones Texture Background with Green Moss

Gravel texture with multicolored small stone surface detail

Clear shallow stream flowing over rounded stones and moss covered rock in a sunlit natural waterway with textured riverbed

Forest railway follows rocky river through green woodland in Romania. Aerial perspective highlights straight tracks beside winding water and stony banks, showcasing quiet Romanian landscape.

Svartifoss waterfall above rocky stream and basalt cliffs in Skaftafell, Iceland

Kvernufoss waterfall with sunlit moss and dark canyon walls in southern Iceland

Mountain landscape and wide river valley near Kavalar village at sunrise

Close up of person walking on gravel hiking trail in nature

Textured background of colorful smooth pebbles on a beach with a shallow depth of field

Aerial photograph looking down on a rocky bend in the Mann River, with shallow water, scattered boulders and native bushland along the banks in New South Wales.

Haifoss and the Fossa River in a layered canyon at Thjorsardalur, Iceland

Dry riverbed of the Rhine River due to climate change and severe drought, Germany

Dolra River flows through Mazeri, wide view toward steep Svaneti mountains and forested Caucasus slopes in Georgia

Panoramic view lush green mountain range above dry riverbed in a sunny summer landscape

A horizontal high angle perspective captures clear freshwater flowing gently over a shallow rocky riverbed filled with numerous dark pebbles. Bright afternoon sunlight creates intricate shimmering

Mountain Valley with Dense Spruce Forest in Summer

Shoe on a gravel path near plants during the day

A babbling forest brook snakes through vibrant green summer growth. Crystal clear water reveals pebbles and sandy ripples, a serene wild nature shot

A horizontal high angle overhead perspective captures clear translucent water flowing gently over a shallow rocky riverbed covered in dark stones. Intricate shimmering ripples catch bright morning

Colorful pebbles submerged in clear water under sunlight

A full frame, top-down view of smooth, colorful river pebbles and sand. A natural, earthy texture background with various shades of brown, gray, blue, and orange stones.

Close up of hiking shoes on forest trail

Gloved hand presents a rough, wet flint-chalcedony stone over a pebbly stream, showcasing its earthy texture and natural beauty

Winding shallow stream flowing through arid desert valley to rocky mountain peak in Iran

Sun-kissed chalcedony and quartz pebbles glisten in shallow river water on sandy shore, evoking natural beauty and serene vibes

Clear Alpine River Water Texture with Natural Stones

Turbid sandy silt swirling in shallow water, creating a cloud of sediment around weathered stones and pebbles as a powerful metaphor for environmental pollution and water contamination

Close-up of person walking on forest trail in hiking shoes

Clear mountain stream winding around mossy stones in dense conifer woodland

Tree reflections and pebbles under the clear turquoise water of the Rio Vero

Golden rock overhang above a still green pool and white gravel bank of the Rio Vero

Clear shallow water flowing over smooth stones with green algae and rippling sunlight patterns in a natural streambed landscape

Mountain stream breaking through snow-covered banks in winter near Mount Elbrus, Caucasus

Clear, pure spring water in a rustic wooden plunge pool. Visible rocks below, reflecting green foliage and wooden structures. Serene spot for a refreshing dip or baptismal rite

Pebble texture with smooth multicolored stone surface and natural coastal detail

Bare feet of a person resting in shallow clear water over a textured sandy riverbed, viewed from above in a natural outdoor setting

Vibrant rocks in tranquil shallow water

Monochrome Skaftafellsjokull glacier and rocky meltwater plain in Iceland

Turbid water swirls around pebbles on a shallow riverbed, creating a moody metaphor for environmental pollution as sandy silt clouds the clarity of the stream during a natural disturbance

Rocky mountain river channeled through a town in Andorra, summer

Natural Brown River Pebble Stones Texture Background Ideal for Landscaping Garden Decorative Ground Cover and Spa Design

Riverbed Stone Texture Underwater Sand Background

A person's foot, encased in a stylish black sneaker with a prominent white sole, steps confidently on a textured path of small gray gravel, embodying everyday activity and outdoor adventure

Blue Eye Albania spring forms vivid turquoise pool among dense greenery and pale gravel. Aerial perspective reveals submerged stones beneath transparent water in this tranquil natural setting.

Blue Eye Albania turquoise spring curves between thick forest and exposed pale shallows. Aerial view reveals exceptionally clear water flowing through lush woodland in bright sunlight.

Smooth river pebbles and larger boulders lie under clean water. Patches of bright green algae cling to submerged rocks in natural stream.

Natural Flat Stone Path and Pebble Ground Texture Pattern

Rocky riverbank landscape near Zamulta village in Altai Mountains at cloudy day

Shallow Clear Water with Pebbles Texture

Sun-kissed chalcedony and quartz river pebbles glisten in shallow sandy water. Nature's subtle beauty in radiant detail

Organic Abstract Stone Surface for Design

Vibrant orange rock among clear stream pebbles in a natural setting

Rocky Mountain River with Snow-Dusted Stones in Winter Japan

Varied Shades of Grey and Beige River Rocks

Pebble bars and shallow rapids on the Rio Vero in the evening shade of the woodland

Shallow alpine stream crossing broad gravel bars beside conifer woodland

Emerald green pool and small waterfall on the Rio Vero seen from the canyon walkway

Painted amphibian comfortably rests on gravelly riverbank amidst natural habitat and protection considerations

green hills and mountain range above dried river stream place country side summer scenery view

Mountain river in Aktru Valley with rocky peaks and clouds, Altai Republic

Kok-Moynok Canyon red sandstone cliffs and dry riverbed landscape in Kyrgyzstan

Mountain stream in Midagrabin Waterfalls area, North Ossetia-Alania

Rocky river with small pools of water

A small creek, clear and shallow, bobs over a rock-strewn bed. Blurry pink blooms add a dash of color, real chill nature

Hundafoss waterfall plunging into a green rocky gorge in Skaftafell, Iceland

Aktru Valley mountain landscape with glacier, river and dramatic clouds, Altai

Aktru Valley mountain landscape with larch forest and snowy peaks, Altai

Morning Construction In Rural Area. Sunrise Activity With Earthworks And Temporary Paths Visible

Mountain river framed by forest beneath a towering Dolomite peak, near San Vigilio di Marebbe

Bridge over rocky dry riverbed framed by leafy trees in daylight with shaded bank and distant water edge, with bridge, rocky, dry, riverbed detail, showing framed, leafy, tree, shaded context

Aerial Lava Flow Channel Through Pronojiwo Tropical Landscape

Blue Eye Albanias turquoise spring winds between dense woodland and sunlit vegetation. Crystal clear water reveals broad gravel bed, while small white boat rests beside natural river.

A horizontal high angle perspective captures clear freshwater flowing gently over a shallow sandy riverbed bordered by lush green grass. Bright afternoon sunlight creates intricate shimmering patterns

A horizontal high angle overhead perspective captures clear translucent water flowing over a rocky stream bed filled with pebbles, dark stones. Intricate ripples shimmer under bright afternoon

Majestic Red-Finned Fish Swimming in Deep Blue Water

Clear stream water flowing around pale stones in the evening shade of the canyon

Alpine river curving through forest below a massive Dolomite peak, near San Vigilio di Marebbe

Braided alpine river with gravel bars meadow and conifer forest, near San Vigilio di Marebbe

Dry creek path showing sediment. Bare creek bottom featuring gentle water flow and scattered rocks

Precautionary Work Involving Earthmoving Equipment At Riverbank With Colorful Houses Nearby

Crystal clear water over riverbed stones creating serene natural texture

Natural River Stone Background and Texture

A horizontal high angle overhead perspective captures clear freshwater flowing over a shallow rocky riverbed transitioning into cloudy, murky water sediment. Bright afternoon sunlight creates fine

Multiple tracked excavators cooperate diligently to reinforce riverbanks and prevent flooding

Mountain river valley landscape near Kavalar village in Dagestan at sunset light

Natural River Stones Texture Background with Green Moss

Skogafoss waterfall at Skogar, Iceland, above a rocky river foreground with green mossy cliffs

Riverbed Rocks Along Bighorn River

Crisp water of a snowy stream trickling over pebbles, surrounded by icy patches. A cold yet vibrant nature scene

Mountain road and river valley landscape near Kavalar village, Dagestan region

Rio Vero threading through dense green woodland seen from high above the canyon

Low angle view along the shallow Rio Vero towards the tree lined canyon

Natural River Stones Texture Background with Green Moss

Grey Flat Stone Path and Pebble Ground Texture Pattern

Riverbed Stones Along Bighorn River

Natural River Stones Texture Background with Green Moss

River Flows Through Japanese Mountain Town

Shallow, clear brook winding through a rocky streambed, flanked by vibrant green foliage. Gentle flow over pebbles and stones, sun-dappled water surface

Mountain river valley landscape near Kavalar village with dramatic clouds, Dagestan

Riverbed Rocks Along Bighorn River

Flat Stone Path Texture and Height Map Comparison

Mountain road and river valley landscape near Kavalar village, Dagestan, Russia

Dry riverbed winding through rocky channel with concrete walls, dense trees, distant bridge amid sunlit foliage in serene park setting under midday sky, with dry, riverbed, creek, stone detail

People hiking on trail along dried riverbed in swiss alps

Riverbed rocks creating natural background texture pattern

Clear water ripples over smooth rocks

Natural River Stones Texture Background with Green Moss

Stones Submerged in Shallow Water and Mud

Flowing shallow stream exposing rounded cobbles in wooded park, with grid overlay and blue stroke

Wide rocky riverbed with river and green trees under blue sky

Clear water flowing over rocky riverbed with sunlit pebbles and algae

Abstract close up of clear water flowing over rounded pebbles in a mountain stream

Top view abstract background of smooth river stones and pebbles under clear shallow water with light caustics for natural spa and relaxation backdrop concept

stone on the rock

Texture of smooth wet river stones and dark pebbles for spa and garden design

A curved stone wall overlooks a dry riverbed. Small green plants grow through the grey pebbles, rocks. Concrete tiers border the organic landscape. Moss clings to the weathered masonry surfaces. Red

Blue Eye Albanias turquoise spring runs across pebbled bed beneath dense green foliage. From above, clear water, aquatic growth and wooden riverside walkway form vivid landscape, showing turquoise

Clear stream water flowing over smooth stones and pebbles in natural setting

台灣山溪中紅色三角錐

水槽の砂利掃除と水換えをしている女性の手元

上から覗いたメダカの水槽

『ネオン』のようなメタリックブルーに光って見える体側が特徴… 【ネオンテトラ】

水槽で飼っているヒメダカと白メダカと黒メダカ