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horseshoe crab in a shallow water
Senegalese sun (Solea senegalensis)
Colorful crab from Aruba seen from the front on a stone, with the blue sea on the background
The red king crab (Paralithodes camtschaticus), also called Kamchatka crab or Alaskan king crab, is a species of king crab native to the far northern Pacific Ocean, including the Bering Sea and Gulf of Alaska. Kodiak Island. Showing mouth parts.
Mauritia Mauritiana or chocolate cowry, humpback cowry, seashell on a sand underwater
Cuttlefish or cuttles are marine molluscs of the order Sepiida. They belong to the class Cephalopoda, which also includes squid, octopuses, and nautiluses. Cuttlefish have a unique internal shell, the cuttlebone.
Crab on the sea shore heats on the sun. Crab on land. Marine resident crabs on the sea coast
Maja Squinado (European Spider Crab) in it's natural environment on the sea bed off Portwinkle in south Cornwall.
Horseshoe Crab
Stock photo showing close-up, elevated view of sand crab scurrying around on compacted wet sand of beach at low tide.
Horseshoe Crab on  sand beach,Thailand
Whale shark Rhincodon typus is the world's largest fish, which is harmless to humans. Specimen are rarely above 12 m. They are often seen offshore but coming close inshore, sometimes entering lagoons or coral atolls. The species feeds on planktonic and nektonic prey, such as small fishes (sardines, anchovies, mackerel, juvenile tunas and albacore), small crustaceans and squids. The «bagans» are traditional fishing platforms. In the Triton Bay, they are a hot spot for whale shark watching. Thats where they are often seen with the head at or near the surface when feeding, ore nearby like this specimen. The baitfishes attract the whalesharks. \nThe photo was taken from 5m depth in a Bay East of Kaimana. 3°34'50.958 S 133°49'22.272 E
An illustration of eurypterids, also known as sea scorpions, traveling together in search of prey. Eurypterids are related to arachnids and include the largest known arthropods to have ever lived. They were formidable predators that thrived in warm shallow water, in both seas and lakes, from the mid Ordovician to late Permian (460 to 248 million years ago).
Jellyfish in the sea
horseshoe crab in a shallow water of Atlantic ocean
King crabs being prepared for sale in a water tank.
horseshoe crab on a sandy beach in Cocoa Beach, Fl
Young Boy holding crab at the beach
Light-blue soldier crabs (Mictyris longicarpus), Whitehaven Beach, Whitsunday Islands, off the central coast of Queensland, Australia.
He carries a heavy shell as he walks along the Indo-Pacific Ocean
The Coconut Octopus (Amphioctopus marginatus) is a fascinating and intelligent creature found in the tropical waters of the Indo-Pacific region. This image captures the octopus using an empty shell as a home and defense mechanism. The Coconut Octopus is known for its ability to use objects as tools and shelter, making it a remarkable example of animal ingenuity.
An Atlantic horseshoe crab (Limulus polyphemus) found on a Cape Cod beach.  The eggs of this creature are an important food source for seabirds as well as in medicines.
Thuridilla hopei - Sacoglossan sea slug, underwater shoot in the Mediterranean sea
A hermit crab in the French Mediterranean Sea
Jellyfish on the beach sand
Sea crabs wash up on sandy beaches during the day.
Spider crab underwater. Ocean and sea life close-up. Giant Japanese crab is walking along bottom.
Sea life, close up, macro   Beautiful multicolored white, purple and orange Nudibranch. Underwater beauty Scuba diver point of view. Underwater photo.
Crab close up, Cuba
A crab navigates the rocky terrain near water, its pincers and legs poised to manoeuvre the challenging environment. This crustacean's adaptability to both land and sea is highlighted by the wet, rugged surface it traverses.
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