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Top view of longtail tadpole shrimp, Triops longicaudatus, on sand background. Called a living fossil as the species having the same morphology for 70 million years.
Mitra mitra, common name the episcopal miter.
Shark egg, beach, close-up, black, brown sand, animal egg, fish egg, Armona island. Algarve, Portugal, backgrounds
Chiton, Tripoplax regularis. on a rock at Salt Point State Park in Sonoma County, California.
Red; slug
Colorful seamless pattern with Crystal stones.
White shell in a rock pool at Back Beach, Mount Martha
Rope on the beach becomes trash used by fishermen
Group of periwinkles near a rockpool
Blue Striped Tunicate Rhopalaea circula occurs in the Western Central Pacific in a depth range from 6-18m. Tunicates do not have backbones, but they are vertebrates, why? At some point in their life cycle, they have a tail, a central nerve cord, a pharyngeal gill cleft and a notochord. Often mistaken for sponges, it's simple to test: Tunicates have two siphons and when disturbed, they can rapidly close them. Palau 7°6'55.26 N 134°16'11.96 E at 25m depth, deeper than the usually noted 18m maximum depth.
Spotted sea hare, Aplysia dactylomela, a large sea slug, in a tidepool, Fuerteventura, Canary Islands, Spain.
Vernal pool tadpole shrimp or Tadpole Shrimp, Lepidurus parkardi, Jepson Prairie Preserve, California, found in Vernal Pools
Pomacea canaliculata is science name
Foam on Water Surface Due to Water Pollution.
Aplysia dactylomela or Spotted sea hare big slug in the tidal pool in Tenerife,Canary Islands,Spain. Selective focus.
Hermit crabs underwater in Playa de los Cancajos, La Palma, Canary Islands\n\nDardanus megistos, the white-spotted hermit crab or spotted hermit crab.
Common Periwinkle, littorina littorea
Shell series: sea shells in various colors
The natural beauty of Bangladesh cox bazar.Natural Beauty means real beauty which is in its original or inherent form. The natural beauty did not need to be achieved by doing or wearing something (performing plastic surgery, wearing makeup, getting a certain style). It can be simply applied to whatever in nature including women, even when offend it naturally.
Phidiana hiltoni is a species of sea slug, an aeolid nudibranch, a shell-less marine gastropod mollusc in the family Facelinidae.  Hilton's Aeoli or Hilton's Nudibranch. Duxbury Reef State Marine Conservation Area; Marin County; California.
Sepioloidea lineolata, also known as the Striped Pyjama Squid or Striped Dumpling Squid.
Sea life Nudibranch Underwater beauty Scuba diver point of view
Lined top shells on a rock, also called Phorcus lineatus
Cox Bay Beach, in Tofino, Canada.
Plumeria rubra seeds on isolated white background
small crabs and snails on the beach
Textile cone (Conus textile neovicarius)Taking in Red Sea, Egypt.
Cassiopea xamachana, commonly known as the upside-down jellyfish, is a species of jellyfish in the family Cassiopeidae. It is found in warm parts of the western Atlantic Ocean, the Caribbean Sea, and the Gulf of Mexico.
Sea shell isolated on white include clipping path. 3d render
Striped Philinopsis or Head Shield Sea Slug Tubulophilinopsis lineolata occurs in the tropical and subtropical Indo-Pacific in sandy, rubble and rocky areas in a depth range from 0-20m or more, the max. length is very inconsistently stated to be 2-5cm. \nThis specimen is almost certainly 3cm long. \nTriton Bay, West Papua Province, Indonesia, \n3°54'41.05 S 134°7'18.205 E at 16m depth
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