The new drone is from the Shahed-101 family of UAVs that all have a distinctive V-shaped tail.
Six small crafts approached a merchant vessel about 50 nautical miles from the Yemeni city of Mocha before leaving the area.
Rotem May-Tal, CEO of Asgard Systems, which specializes in military tech applications, spoke to Maariv about the innovative weapons in the war against Hamas.
The Houthis in Yemen have stepped up attacks on shipping in the Red Sea in protest against Israel's war in Gaza.
Earlier on Saturday, an Israeli-linked tanker in the Indian Ocean was hit by a drone launched from Iran.
Israel uses a plethora of drones, from the larger Herons made by Israel Aerospace Industries (IAI) to the Elbit Hermes 450, known as the Zik.
Western media outlets and analysts have produced evidence, including satellite imagery, of Russia setting up its own Shahed production facilities.
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