Squid ink pasta; otherwise known as 'black spaghetti' is made from the ink of ocean squid. The ink contains a certain chemical that is taken from squid or even cuttlefish.
The black ink gives a particular umami flavor to the the pasta, making it have a unique taste. With a hint of saltiness and briny flavor - a taste enjoyed by most Italians.
This Artisanal Spaghetti Durum Wheat Pasta with Squid Ink by Conte was made by combining the squid ink with the pasta dough, making it a rich 'black spaghetti'.