ἰχθυάριον
From LSJ
μεριμνᾷς καὶ τυρβάζῃ περὶ πολλά → you are worried and bothered about so many things, thou art careful and troubled about many things, you are worried and upset about many things
[Seite 1275] τό, dim. von ἰχθύς, Fischlein, nur Conj. für ἰχθυηρόν bei Diphil. Ath. VI, 228 b.