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Sea urchin
Vintage photograph of Officers of Chilean ironclad Blanco Encalada, 1891. Blanco Encalada was an armored frigate built by Earle's Shipbuilding Co. in England for the Chilean Navy in 1875. Blanco Encalada formed part of the congressional forces that brought down President José Manuel Balmaceda in the Chilean Civil War of 1891. She was sunk during that conflict on 23 April 1891, becoming the first warship to be sunk by a self-propelled torpedo.
Sea background with plants and Mediterranean snakelocks sea anemones
An abstract image of bright green sea kelp left behind at low tide on Vancouver Island, British Columbia, Canada.
Portrait of Sir Ian Standish Monteith Hamilton (1853 - 1947). Vintage photo etching circa late 19th century.
Algae Background
Rocky seashore with tide pool (or tidal pool) at the coastline of Western Norway (Golten, Sund, near Bergen) on a sunny day in spring (or early summer). In the picture are rock (gneiss), salt water, algae, kelp and mussels.
Antique photograph of British Navy and Army: Marine surveying in India
(Urticina columbiana) The Columbia Sand Anemone can grow to 10 inches in height and 14 inches in diameter, The column is red to purple in color with small bumps on it called tubercles.  They have long thin tentacles when open.  These anemones can be found from Vancouver Island to Baja California in intertidal and subtidal zones to 150 feet.
Stunning and beautiful coral reefs on the soft and picturesque beach sand.
Wet dark damaged grass at the bottom edge border of frame with brown beach sand
Detail of natural seaweed boueys on the coast of Maine near Acadia National Park.
The aggregating anemone, Anthopleura elegantissima, or clonal anemone, is the most abundant species of sea anemone found on rocky Pacific coast of North America. This cnidarian hosts endosymbiotic algae called zooxanthellae.  Salt Point State Park, California.
Oysters and sea urchin in the wild on the rock beach of Mirissa Sri Lanka. High quality photo
Close-up of rock covered with algae. With copy space. Shot with a 35-mm full-frame 61MP Sony A7R IV.
so called king of herrings source of sea serpent sightings
The Coast of Tofino, on Vancouver Island.
Underwater landscape, Black Sea. Green, red and brown algae on the seabed (Ulva, Enteromorpha, Ceramium, Cladophora, Porphira)
Portrait of Lieutenant-General Sir William Forbes Gatacre (1843 - 1906). Vintage photo etching circa late 19th century.
Sea urchins are round, spiny echinoderms in the class Echinoidea. sea urchin on tropical coral beach. seaweed and algae around sea urchins.
Echinoidea sea urchins, a group of marine animals belonging to the type of echinoderms Echinodermata, characterized by a spherical shape, .Zanzibar near the town of Jambiani
Antique photograph of The French ironclad Bayard was an early stationary battleship of the French Navy, lead ship of her class. Bayard had a wooden hull and a full rigging, as well as a side armour and steam machinery. 19th Century
A dark, fragile seaweed plant rests on a light sandy shore.
Pelvetiopsis Algae, Pelvetiopsis limitata, Phaeophyta, Fucaceae, Salt Point State Park, California. This perennial brown alga stands between 4-8cm tall and is light tan to olive in color arising from a small discoid holdfast. The densely branched thallus is cylindrical at the base, becoming flattened to cylindrical in the upper fronds.
Underwater marine life, Lytechinus variegatus commonly called green sea urchin or variegated sea urchin, Caribbean sea
Horizontal high angle closeup photo of a yellow-toned Sea Anemone in a tidal rock pool on the south coast of NSW in the Meroo National Park near popular travel destination, Ulladulla.i
Digitally restored from a late 19th Century encyclopedia.
Villa Eugénie in Biarritz, France. Vintage half tone photo etching circa 19th century. The original building was damaged by fire in 1903 and rebuilt.
Free Images: "bestof:British marine annelids 1915 XCtext.jpg en A monograph of the British marine annelids 1915 XC 1915 http //www biodiversitylibrary org/item/115339 page/30/mode/..."
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