
1) Brightly colored perch 2) Certain minnow 3) Colorful perch 4) Company listed on NASDAQ 5) European perch 6) Freshwater minnow 7) Small dace
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https://www.crosswordclues.com/clue/redfin

1) Dace
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https://www.crosswordclues.com/clue/redfin

• (n.) A small North American dace (Minnilus cornutus, or Notropis megalops). The male, in the breeding season, has bright red fins. Called also red dace, and shiner. Applied also to Notropis ardens, of the Mississippi valley.
Found on
http://thinkexist.com/dictionary/meaning/redfin/
Red'fin` noun (Zoology) A small North American dace (
Minnilus cornutus , or
Notropis megalops ). The male, in the breeding season, has bright red fins. Called also
red dace , and
shiner . Applied also to
Notropis ardens , of the Mississippi valley.
Found on
http://www.encyclo.co.uk/webster/R/30

The USS Redfin was an American Gato Class submarine of 1525 tons displacement launched in 1943. The USS Redfin 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 torpedo tubes.
Found on
http://www.probertencyclopaedia.com/browse/RR.HTM
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