Stock photos and images of username:Hydrobiolog

SHENANDOAH, USA - DECEMBER 03, 2011: the entrance to Shenandoah Cave from the Visitor Center

Painted lady (Vanessa cardui), butterfly sits on an Echinacea purpurea flower and drinks nectar

Painted lady (Vanessa cardui), butterfly sits on an Echinacea purpurea flower and drinks nectar

The African death's-head hawkmoth (Acherontia atropos), A nocturnal butterfly caterpillar crawls on the red stem of a plant

Reconstruction of the inhabitants and way of life in the ancient city of Olbia

Reconstruction of the inhabitants and way of life in the ancient city of Olbia

exhibits from the excavations of the ancient city of Olbia on the shore of the Dnieper-Bug Firth, Ukraine

exhibits from the excavations of the ancient city of Olbia on the shore of the Dnieper-Bug Firth, Ukraine

Pontic Olbia-National Historic and Archaeological Preserve, Ukraine

Pontic Olbia-National Historic and Archaeological Preserve, Ukraine

excavations of the ruins of the ancient city of Olbia on the shore of the Dnieper-Bug estuary, Ukraine

Pontic Olbia-National Historic and Archaeological Preserve, Ukraine

exhibits from excavations inside the museum at the archaeological site of the ancient Greek city of Olbia, Ukraine

Round and pancaked ice near the shore of the frozen Black Sea, harsh winter of 2011

Palace of Childhood and Youth or Palace of Pioneers on the embankment in Sevastopol, Crimea

pollution of beaches with garbage and plant remains after the accident at the Kakhovka Hydroelectric Power Plant

Accident at the Kakhovskaya hydroelectric power station, pollution of beaches with plastic debris and the remains of river plants brought by water

Consequences of the Accident at the Kakhovka power plant, pollution of the beaches of Odessa with garbage and plant remains brought by water

Catharanthus roseus - close-up of flowers of a plant with red petals

Mealybug - parasitic sucking insects on a flower of a tropical plant

Painted lady (Vanessa cardui), butterfly sits on an Echinacea purpurea flower and drinks nectar

Painted lady (Vanessa cardui), butterfly sits on an Echinacea purpurea flower and drinks nectar

Painted lady (Vanessa cardui), butterfly sits on an Echinacea purpurea flower and drinks nectar

(Nodularia spumigena), ecological disaster, a toxic blue-green algae bloom in the Black Sea

The African death's-head hawkmoth (Acherontia atropos), A nocturnal butterfly caterpillar crawls on the red stem of a plant

UKRAINE, Pontic Olbia - SEPTEMBER 24, 2010: exhibits from the excavations of the ancient city of Olbia on the shore of the Dnieper-Bug Firth, Ukraine

Round and pancaked ice near the shore of the frozen Black Sea, harsh winter of 2011

The European green toad (Bufotes viridis), Crimea

BALAKLAVA, UKRAINE - JUNE 27, 2012: View from the sea to the ruins of the fortress and modern buildings on the shore in Balaklava Bay, Black Sea

SEVASTOPOL, CRIMEA - JUNE 26, 2012: Institute of Biology of the Southern Seas on the embankment in Sevastopol, Crimea

ODESSA, UKRAINE - JUNE 12, 2023: pollution of beaches with garbage and plant remains after the accident at the Kakhovka Hydroelectric Power Plant

Accident at the Kakhovskaya hydroelectric power station, pollution of beaches with plastic debris and the remains of river plants brought by water

The consequences of the dam break of the Kakhovka power plant, the current brought garbage and floating islands of reeds and river plants to the beaches of Odessa

Catharanthus roseus - close-up of flowers of a plant with red petals

Catharanthus roseus - close-up of flowers of a plant with red petals

Close-up of a flower, succulent leaves of a succulent plant (Echeveria sp.) in a botanical collection

Haemanthus albiflos - flower bud with bright yellow stamens

Mealybug - parasitic sucking insects on a flower of a tropical plant

Catharanthus roseus - close-up of flowers of a plant with red petals

Catharanthus roseus - close-up of flowers of a plant with red petals

Painted lady (Vanessa cardui), butterfly sits on an Echinacea purpurea flower and drinks nectar

Painted lady (Vanessa cardui), butterfly sits on an Echinacea purpurea flower and drinks nectar

Painted lady (Vanessa cardui), butterfly sits on an Echinacea purpurea flower and drinks nectar

The African death's-head hawkmoth (Acherontia atropos), A nocturnal butterfly caterpillar crawls on the red stem of a plant

The African death's-head hawkmoth (Acherontia atropos), A butterfly caterpillar crawls on a green leaf

Blooming Phalaenopsis orchid in the collection

Close-up, succulent leaves of a succulent plant (Echeveria sp.) in a botanical collection

Blooming Phalaenopsis orchid in the collection

Blooming Phalaenopsis orchid in the collection

Close-up, succulent leaves of a succulent plant (Echeveria sp., Sedeveria sp.) in a botanical collection