Cryptocoryne sivadasanii is a species of aquatic plant belonging to the genus Cryptocoryne, which is part of the family Araceae.

This plant is native to India, specifically found in the Western Ghats region. It was described as a new species in 2007 by Bastmeijer & Jacobsen.

Cryptocoryne sivadasanii is a popular choice among aquarium enthusiasts due to its attractive appearance and relatively easy care requirements.

Its leaves are typically green with a slightly reddish hue, and it can grow to a moderate size under suitable conditions.

Like many Cryptocoryne species, it prefers soft, acidic water and moderate to low lighting. In aquariums, it can be used as a midground or background plant, depending on its size and placement.