魚族 is read as ぎょぞく (gyozoku) and means fish.
ぎょぞく
gyozoku
うお
fish
さかなや
fish market
ぎょにく
fish meat
かぞく
family
しんぞく
relative
いちぞく
household
ぞく
(taxonomical) tribe
だいかぞく
extended family
どうぞく
same family (race, tribe)
ひとかぞく
one family
にほんごぞく
Japonic languages
こうざんぞく
Gaoshanzu