A patrikios, in 806 Niketas 166 was sent by the emperor Nicephorus I (Nikephoros 8) with a fleet to recover Dalmatia: Annales Regni Francorum s.a. 806 (p. 122) ("classis a Niciforo imperatore, cui Niceta patricius praeerat, ad reciperandam Dalmatiam mittitur"), John the Deacon, Cron. Ven., p. 103 ("Nicetae patricii adventum ... qui tunc missus ab imperatore cum exercitu in partes Dalmaciarum atque Veneciarum veniebat"). In 807 he was in Venetia with his fleet; he and Pepin 3 concluded a truce, to last until August 808, and he then sailed back to Constantinople: Annales Regni Francorum s.a. 807 (p. 124) ("Niceta patricius, qui cum classe Constantinopolitana sedebat in Venetia, pace facta cum Pippino rege, et indutiis usque ad mensem augustum constitutis, statione soluta Constantinopolim regressus est"), cf. John the Deacon, Cron. Ven., pp. 103-104 (he returned to Constantinople accompanied by Beatus (Beatos 3) and Venetian hostages (Christophoros 57 and Felix 17), after transmitting to the dux Obelerios 1 the dignity of spatharios).

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