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Bullhead or Millers Thumb fish, Cottus gobio, Midlands, UK
Sharp teeth Piranha from Amazon jungle river, Brazil
Australian Macleay's Water Snake on land
Sea life  shrimp  Aquatic organism Underwater  Mediterranean sea Scuba diver point of view. Other name: Scampi, Nephrops norvegicus, Nephropidae shrimp-lobster, Norway lobster, Škamp.
Marble cancer. Aquarium macro closeup background.
White-clawed crayfish (Austropotamobius pallipes)
Gobidae – Gobius niger among green algae
Vipernatter hunting and eating a fish, Natrix maura, Italy - great detail
Compound eyes of river crab, macro photos
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
olive sea snake, Aipysurus laevis, with forked tongue out tasting the water for prey, Wongara Coast, Bundaberg, Queensland, Australia, Coral Sea, South Pacific Ocean
Diadophis punctatus, commonly known as the ringneck snake or ring-necked snake, is a species of colubrid snake. It is found throughout much of the United States, central Mexico, and south eastern Canada. Santa Rosa, California.
A portrait of a pupa of the forest giant owl butterfly, Caligo eurilochus, isolated on white background. Pupae are caterpillars in change. This pupa resembles a snout of a seal or other funny animal
Northern watersnake (Nerodia sipedon) in Sprain Brook, Washington, Connecticut. At the height of spring, with pollen and sugar maple flowers floating on the green water, and leaves from the previous fall under the surface. This common snake of eastern and central North America, about three feet long, is hunting for food along the bank. It is not venomous but will bite vigorously if handled.
lamprey fish in the grass
Senegalese sun (Solea senegalensis)
Enhydrina Schistosa. Hook nosed sea snake. Venomous. Captive specimen. Maharashtra, India.
The Caspian whipsnake (Dolichophis caspius, sometimes also Coluber caspius) also known as the large whipsnake (among various other species in genus Dolichophis/Coluber), is a common species of whipsnake found in the Balkans and parts of Eastern Europe.\nDescription:\nThe Caspian whipsnake is perhaps the largest species of snake in Europe. It typically grows to around 140–160 cm in length, though a few may exceed a length of 200 cm. The record sized specimen was approximately 250 cm. Body mass can be commonly from 120 to 673 g. This species is not venomous and is mostly active during the day. The head is joined to the body by a thick neck. Its pupils are round. Nineteen rows of smooth scales can be found at the middle body, though rarely there may be seventeen. Dorsal scales each have two apical pits at the posterior edge. The center of the scale is lighter in colour than the edges. The dorsal side is grey-brown and features markings which are distinctive in juveniles and young snakes but fade with age. The ventral side is light yellow or white (source Wikipedia).\n\nThis Picture is made during a Vacation in Bulgaria in May 2018.
Close up of Australian Common Death Adder
white-clawed crayfish (Austropotamobius pallipes)
An illustration of the extinct eurypterid Kokomopterus hunting trilobites on a Silurian seafloor 418 million years ago.
Shark teeth rows from a Mako jaw. Side view with backlighting in low key.
The dice snake (Natrix tessellata),  a water snake swimming in the water of the estuary
Ring-necked snake in New England's autumn woods
A closeup of a Tomocerus minor springtail
Cabezon, Scorpaenichthys marmoratus, California Coast, Family Cottidae.
A common freshwater fish seen from above, showing clearly the barred patten
a snake searches for food along the gulf coast of Texas
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).
Stream crab from Sichuan province of China
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