The Compendium of Caraka 1.26.84

1.26.84

neti bhagavānātreyaḥ sarvāneva matsyānn apayasā sahābhyavaharedviśeṣatastu cilicimaṃ sa hi mahābhiṣyanditvāt sthūlalakṣaṇatarānetān vyādhīnupajanayatyāmaviṣamudīrayati ca /

'Not so,' said the venerable Ātreya. 'One should not consume any fish at all with milk, and especially not the cilicima; for that [fish], owing to being greatly abhiṣyandi, produces these diseases with more severe manifestations and excites undigested toxic residue (āmaviṣa).