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Big Grouper in an aquarium.
mosquito fern
Green algae on the seabed (Ulva, Enteromorpha, Cladophora). Underwater landscape, Black Sea
Beautiful view with lake in Central park
Macro shot of bright cyan-colored crystals contrasting with a dark rocky terrain.
Geirangerfjord near Hellesylt in Norway.  This is seaweed in the Fjord.
Green Algae Goo Sludge on Pond Surface Detail - Detail of organic material with vibrant green colors.
Green algae and natural sunlight underwater seascape in the ocean (seaweeds Codium tomentosum), Eastern Atlantic, Spain, Galicia
cardinal neon fish in the aquarium. On green
background photo of algae and aquatic plants seen in clear water. The colored shapes formed in the water are viewed from the upper angle. Shot with a full-frame camera in daylight.
kelp forest views from below
Biotope with waterlilies, Lythrum salicaria flowers (Blut-Weiderich) and reed.
In spring, the seawater temperature has risen, and wakame seaweed (Undaria pinnatifida) is growing rapidly.
Green algae covers the entire pond
The lake or river bloomed and small green algae and ooze multiplied in it. The concept of a natural disaster and the release of harmful substances into the water and ecosystem disturbance
Pollen forming on a pond
Algae blooming and threatening the eco system following a recent hot spell of weather.
Aerial view of various plants growing along riverbanks in wetland
Walking in the sea shore found blue little fishes at the water mirror of the beach amoung seaweed
The Mediterranean seagrass (Posidonia oceanica) and the invasive red seaweed (Asparagopsis armata) in La Ciotat (South of France).
A small pond covered in algae, featuring an island in the middle accessible by a wooden bridge, located in Teketo Park near the village of Nikolovo, close to the city of Ruse in Bulgaria.
Twice a day the waters of a healthy coastal salt marsh are refreshed by the tides bringing fresh nutriants to the plants and  animals which live there.
Beautiful Oshino Hakkai and Mt. Fuji
The textures of aquatic plan growth in an outdoor pond.
Beautiful drone image of Poza Azul, Cuatrociénegas, Mexico
An underwater scene featuring a stone (Ancient Coral Formation) in clear blue water. The stone showcases  yellow algae on its surface. The water's transparency allows for a clear view of the stone and the intricate details of the algae growth. The photograph provides a straightforward depiction of the stone's presence within the aquatic environment, highlighting the natural occurrence of algae in underwater habitats. The combination of the stone, yellow algae, and clear blue water creates a visually interesting tableau, showcasing the simplicity and beauty found beneath the water's surface.
Spain Atlantic coast in Galicia, large rocks and seaweeds underwater in the ocean, split view over and under water surface, Bueu, Pontevedra province
Summer in Brandenburg, Germany
Green algae on a surface of the lake
Environmental pollution
Free Images: "bestof:Naturalis Biodiversity Center - L.4146307 - Phormidium canoviride Nägeli - Algae - Plant type specimen.jpeg artwork Dimensions artwork Document type Algae"
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