no, fish is not meat under Jewish law.

E. P. Sanders has written:

'Paul, the law, and the Jewish people' -- subject(s): Bible, Criticism, interpretation, History, Jewish law, Judaism

'Jewish and Christian Self-Definition'

'Jesus and Judaism' -- subject(s): Views on Judaism, Judaism

'Paul and Palestinian Judaism'

'Jewish law from Jesus to the Mishnah' -- subject(s): History, Judaism, Views on Jewish law, Jewish law, Pharisees, Jesus Christ

'Jewish and Christian Self-Definition (Jewish & Christian Self-Definition)'

under rabbinical law, yes!

while Poland ruled, Kresy lived under Jewish law interupted by Jewish judges

to get out from under british law