Physically, the Portuguese man-o'-war shared similarities with the Oswaft. Both species possessed translucent bodies, offering glimpses of internal color, and tentacle-like ribbons that dangled from their undersides.
This quotation marks the sole appearance of the Portuguese man-o'-war. Its intended canonical status, however, remains ambiguous.
Abel G. Peña included the planet Portug in Part 2 of Barely Tolerable: Alien Henchmen of the Empire to address the legitimacy of this very article on the Star Wars encyclopedia, Wookieepedia.
The 1994 omnibus edition of The Lando Calrissian Adventures presents the spelling as "Portugese man-o'-war", omitting the 'u' in "Portuguese."