
1) Acanthopterygian 2) Silverside 3) Spiny-finned fish
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https://www.crosswordclues.com/clue/silversides

1) Jacksmelt 2) Silverside 3) Smelt
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https://www.crosswordclues.com/clue/silversides

• (n.) Any one of several species of small fishes of the family Atherinidae, having a silvery stripe along each side of the body. The common species of the American coast (Menidia notata) is very abundant. Called also silverside, sand smelt, friar, tailor, and tinker.
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http://thinkexist.com/dictionary/meaning/silversides/

any of several species of small, slim schooling fish of the family Atherinidae (order Atheriniformes), found in freshwater and along coasts around ... [1 related articles]
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http://www.britannica.com/eb/a-z/s/96

<zoology> Any one of several species of small fishes of the family Atherinidae, having a silvery stripe along each side of the body. The common species of the American coast (Menidia notata) is very abundant. Called also silverside, sand smelt, friar, tailor, and tinker. ... <zoology> Brook silversides, a small fresh water North America...
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http://www.encyclo.co.uk/local/20973
Sil'ver·sides` noun (Zoology) Any one of several species of small fishes of the family
Atherinidæ , having a silvery stripe along each side of the body. The common species of the American coast (
Menidia notata ) is very abundant. Called also
silverside ,
sand smelt ...
Found on
http://www.encyclo.co.uk/webster/S/104

The USS Silversides was an American Gato Class submarine of 1525 tons displacement launched in 1941. The USS Silversides had a top speed of 21 knots surfaced and carried a complement of between 65 and 74. She was armed with one 3 inch dual-purpose gun; two 20 mm Oerlikon anti-aircraft guns; six 21 inch bow torpedo tubes and four 21 inch stern torpe...
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http://www.probertencyclopaedia.com/browse/RSA.HTM
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