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biological oceanography

biological oceanography  

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Is the study of all aspects of the biology of the oceans particularly in the context of their physical and chemical environments, so that it overlaps with marine biology in many respects. The range ...
dogfish

dogfish  

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A cartilaginous fish, Galeorhinus spp., Scilliorinus spp., Mustelus spp., Squalis acanthias, and Galeus melastomas, small sharks; sometimes called rock salmon, rock eel, flake, huss, or rogg.
dolphin

dolphin  

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N.1 a bollard, pile, or buoy for mooring.2 a structure for protecting the pier of a bridge or other structure from collision with ships.
environmental issues

environmental issues  

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Mankind has continually abused the sea, regarding it as an inexhaustible source of food and minerals, and a dumping ground for rubbish. Now it is more widely accepted that the oceans are finite, and ...
fish

fish  

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As a Christian symbol, its use goes back to 2nd-cent. writers. The symbol itself may be derived from the acrostic spelling of ichthus (Gk., ‘fish’) from the Gk. first letters of ‘Jesus Christ, God ...
hammerhead

hammerhead  

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Aggressive shark found in tropical marine waters and warm temperate zones. Its head is extended sideways into two lobes, with one eye and one nostril located at the tip of ...
long-lining

long-lining  

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A fishing method whereby baited hooks are attached to a headline, which is strung between a series of buoys. The length of a headline can be 40 kilometres (25 mls.) onto which are clipped up to 3,000 ...
manta ray

manta ray  

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(Manta birostris),a member of the family Mylobatidae that includes 42 species of rays that are relatives of sharks with bodies that are flattened dorso-ventrally. Mantas swim using their pectoral ...
marine reptiles

marine reptiles  

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Include some of the most charismatic marine vertebrates and some of the most deadly. There are not many of these relatives of the dinosaurs in the seas—seven species of turtles, 54 species of sea ...
plankton

plankton  

Minute pelagic organisms that drift or float passively with the current in a sea or lake. Plankton includes many microscopic organisms, such as algae, protozoans, various animal larvae, and some ...
ray

ray  

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Cartilaginous fish, Raja spp. Thornback ray is R. clavata, starry ray is R. asterias, and shagreen ray is Leucoraja fullonica. Often used synonymously with skate.
tope

tope  

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Small shark that lives in British waters. It has a grey-brown body and feeds near the bottom on small fish. Length: to 2m (6.5ft). Family Carcharinidae; species Galeorhinus galeus.

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