
1) Eulachon
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https://www.crosswordclues.com/clue/candlefish

1) Fish
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https://www.crosswordclues.com/clue/candlefish

• (n.) A marine fish (Thaleichthys Pacificus), allied to the smelt, found on the north Pacific coast; -- called also eulachon. It is so oily that, when dried, it may be used as a candle, by drawing a wick through it • (n.) The beshow.
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http://thinkexist.com/dictionary/meaning/candlefish/

species of smelt (q.v.).[2 related articles]
Found on
http://www.britannica.com/eb/a-z/c/15

Waters:Northern Atlantic and Pacific Waters (during spawning season smelt migrate to fresh Waters) Description (in water): This slender, nearly translucent silver-green fish averages 6 to 8 inches in length and weighs less than half a pound. Description (in market): The off-white flesh of the smelt is soft and oily with a mild, delicate flavor. The bones are soft and edible (they soften more when cooked). ...
Found on
http://www.encyclo.co.uk/visitor-contributions.php
Can'dle·fish` noun (Zoology) (a) A marine fish (
Thaleichthys Pacificus ), allied to the smelt, found on the north Pacific coast; -- called also
eulachon . It is so oily that, when dried, it may be used as a candle, by drawing a wick through it .
(b) The beshow.
Found on
http://www.encyclo.co.uk/webster/C/15

A rich and oily mild-flavored fish. This variety of smelt is so named because Indians sometimes run a wick through their high-fat flesh and use them for candles. Also known as the 'Eulachon.'
Found on
https://www.encyclo.co.uk/local/20110
No exact match found.