The country were the outstanding force in the women's disciplines, which included Moe Higa topping the solo technical charts in front of Italy's Susanna Pedotti and France's Oriane Jaillardon.

Higa received 88.4448 for her routine, which was 3.1496 and 4.0534 more than Pedotti and Jaillardon.

The Japanese swimmer secured her second gold of the competition, winning the women's solo free with a tally of 89.7667.

Spain's Marina Garcia Polo could not equal her opponent, recording 2.1667 less, while Pedotti settled for bronze on this occasion, making 86.8000,

Moka Fujii and Yukina Hotta partnered in the women's duet technical to record a title winning total of 87.5591.

The tally was enough to fend off Spanish silver medallists Aitana Crespo and Mercedes Diaz Cervera's score of 85.6516.

The starring Japanese pair returned for the women's duet free and it concluded with the same results.

Fujii and Hotta combined for 88.7333, with Crespo and Cervera trailing by 0.5333.

Pedotti and her compatriot Alessia Macchi were further behind, on a total of 86.5667, but it was enough to claim bronze.

Jaillardon and her partner Romane Lunel put 84.6559 on the board to secure bronze.

In the women's team technical, Japan made 88.3786 to seal the gold medal.

Spain won silver for a tally of 86.6667 and Italy followed on 85.2905.

The women's team free combination saw the Japanese as victors, with the country recording 89.1667 to fend off Spain and Italy once again.

Spain finished just 0.6667 points behind the winners while Ital were 2.8000 off the gold medal.

Yotaro Sato and Ayano Shimada added another gold to Japan's total following their triumph in the mixed duet technical.

The swimmers registered 84.0251 to defeat Spanish duo Dennis Gonzalez Boneu and Valeria Parra Telegina, who made 83.2318, and Italian pairing Alessia Austranti and Filippo Pelati.

Austranti and Pelati finished 4.4434 behind the gold medallists.

Boneu was unbeatable in the men's solo free and men's solo free events, with the Spaniard edging Sato and Kazakhstan's Eduard Kim on both occasions.

He scored 82.6639 to initially beat Sato and Kim by 1.7551 and 3.4019 before notching 83.6000 to repeat his success.

Sato came within 0.3000 to matching his opponent while Kim was exactly four points below.

In the mixed duet free, Sato combined with Ayano Shimda to lead Japan to gold again.

They put on a glittering show to total 85.7000, which was stunningly 1.0667 more than both Spain's Maria Bofill Strub and Boneu in second and Kazakhstan's Zhaklin Yakimova and Kim in third.

Spain came out on top in the mixed team highlight, registering 87.5333 to defeat Italy and Greece by 0.9333 and 2.8000 respectively.