Examine the signs of fish to distinguish between those which are kosher and non-kosher

'These you may eat, whatever is in the water: all that have fins and scales, those in the water, in the seas or in the rivers, you may eat.

Hebrew

ט אֶת-זֶה, תֹּאכְלוּ, מִכֹּל, אֲשֶׁר בַּמָּיִם: כֹּל אֲשֶׁר-לוֹ סְנַפִּיר וְקַשְׂקֶשֶׂת בַּמַּיִם, בַּיַּמִּים וּבַנְּחָלִים--אֹתָם תֹּאכֵלוּ.

Greek

9 Καὶ ταῦτα, ἃ φάγεσθε ἀπὸ πάντων τῶν ἐν τοῖς ὕδασιν· πάντα, ὅσα ἐστὶν αὐτοῖς πτερύγια καὶ λεπίδες ἐν τοῖς ὕδασιν καὶ ἐν ταῖς θαλάσσαις καὶ ἐν τοῖς χειμάρροις, ταῦτα φάγεσθε.

• Parashah: Shemini
• Sefer HaChinuch: 155
• Mishneh Torah: Holiness — Forbidden Foods

• Leviticus 11:9

Enumeration and classification from BibleData. The Greek is the Septuagint reading of the same verse, carried by the source for comparison.