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Larval stage spotfin flounder photographed at night in the open ocean during a blackwater night dive.
Marine flatworm - Planaria, crawling on the glass, Black Sea
honeybee worker leg composite W.M. under light microscope with white background
Photomicrograph of mayfly nymph, Baetis species, with leaflike gills on back. Live specimen. Wet mount, 2.5X objective, transmitted brightfield illumination.
Copepod (Zooplankton) are a group of small crustaceans found in the marine and freshwater habitat.
Sea life  shrimp  Aquatic organism Underwater  Mediterranean sea Scuba diver point of view. Other name: Scampi, Nephrops norvegicus, Nephropidae shrimp-lobster, Norway lobster, Å kamp.
Closeup mysis stage of Vannamei shrimp in light microscope, Shrimp larvae under a microscope.
Diamond squid photographed at night during a blackwater drift dive a few miles off the coast of Palm Beach, Florida.
Blue-spot Mantis Haptosquilla stoliura occurs in the tropical Indo-West Pacific in shallow coastal or nearshore reefs in tidal pools and among hard coral fragments in the intertidal area. The iridescent blue patch on the first maxillipeds is distinctive. The max. length of this species seems to be incertain. Some indicate 6.5cm as max. length, others 11.5cm. The length of this specimen is probably 10cm. \nThe ability of Mantis species to see circularly polarised light has led to studies to determine if the mechanisms by which their eyes operate can be replicated for use in reading optical information storage devices. \nTriton Bay, West Papua Province, Indonesia, \n3°54'41.05 S 134°7'18.205 E at 15m depth
Fresh squid with tentacles taken closeup isolated on blue background.
Neotrypaea californiensis (formerly Callianassa californiensis), the Bay ghost shrimp, is a species of ghost shrimp that lives on the Pacific coast of North America. It is a pale animal which grows to a length of 4.5 in. One claw is bigger than the other, especially in males. Underwater.  Monterey Bay, California.
Microscopic image of a freshwater copepod. Gets it common name cyclops from the single red eyespot. Live specimen. Wet mount, 10X, transmitted brightfield illumination. Note - motion blur of live animal, very shallow depth of field, chromatic aberration and uneven focus are inherent in light microscopy.
Ostracod is a small crustacean found in a freshwater pond. Zooplankton, micro crustacean under the light microscope. Magnification of 100 times, microscope objective 10
Tardigrade microscopic magnification
Shell series: sea shells in various colors
 Group of trilobites
Rare Scorpion (Arachnida) inclusion in Burmese amber, Myanmar, Cenomian, Upper Cretaceous, approximately 100 million years ago, age of dinosaurs. Image taken with extreme macro and focus stacking technique.
An illustration of the extinct eurypterid Kokomopterus scavenging a dead trilobite on a Silurian seafloor 418 million years ago.
Antarctic krill, Euphausia superba,  is a species of krill found in the Antarctic waters of the Southern Ocean.  They are a key species in the Antarctic ecosystem.
Artemia Salina - Brine Shrimp are food of Seahorses and many other Saltwater Animals
Microscopic image of a copepod. Gets it common name cyclops from the single red eyespot. Salt marsh, San Francisco Bay, California, USA. Live specimen. Wet mount, 10X, transmitted brightfield illumination.
Silverfish (Lepisma saccharina), adult. Isolated on a black background. Visible underside of the body.
Shrimp in aquarium
Macro photo of a Gray silverfish (Ctenolepisma longicaudatum) on a white background
Whip Coral or Wire Coral Goby Bryaninops yongei occurs in the tropical Indo-Pacific, usually in pairs on Wire Coral Cirripathes anguina in a depth range from 3-45m. The body of this fish species is translucent, so the vertebral column is completely visible. Max. length 3.5cm. Cirripathes anguina is found along current-swept drop-offs or backreefs. Palau, Micronesia, 7°6'14.712 N 134°15'5.928 E at 16m depth
Ribbonfish Deep Sea Underwater Creature from Outer Space during Blackwater diving at Izu, Japan
Insect inclusion, Ripiphoridae (Coleoptera) in  Burmese amber, Myanmar, Cenomian, Upper Cretaceous, approximately 100 million years ago, age of dinosaurs. Image taken with extreme macro and focus stacking technique.
A 3-D computer illustration of Eurypterid, more commonly known as a Sea Scorpion, from the mid Ordovician to late Permian (460 to 248 million years ago). Eurypterids (sea scorpions) are an extinct group of arthropods that are related to arachnids and include the largest known arthropods to have ever lived. They went extinct during the Permian–Triassic extinction event 252.17 million years ago. Their fossils have a near global distribution. Though purely an artistic interpretation, the structure of the animal is inferred through fossil images and scientific notation of what the species may have looked like within the environment in which they existed.
Mayfly
Free Images: "bestof:Paraliparis bathybius.jpg Paraliparis bathybius http //www archive org/details/reportondeepseaf00gn Report on the deep-sea fishes collected by H M S Challenger"
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