\Can"dle*fish`\, n. (Zo["o]l.)
(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.