НА БЕЗРЫБЬЕ И РАК РЫБА (saying) in the absence of a better or needed person or thing, the one that is available will do: - better a (one) small fish than an empty dish
half a loaf is better than none (no bread )
in the kingdom of the blind a (the) one-eyed man is king.
Большой русско-английский фразеологический словарь. — М.: ACT-ПРЕСС КНИГА.
С.И. Лубенская.
2004.