Note 77 — THE VOYAGE OF NEARKHOS.
John Watson McCrindle translation
Schmieder suggests that instead of the common reading here ἀπὸ τούταν ἔλαιον ποιέουσιν Arrian may have written ἀπὸ θύννων ε. π. they make oil from thunnies, i. e. use the fat for oil.