This is a common seagrass in Asian tropical coasts.

Halodule pinifolia forms homogenous patches in intertidal places or occasionally intermixed with other seagrasses (Skelton and South 2006).

Halodule pinifolia grows in sandy or muddy sand substrates from upper littoral to subtidal areas.

This species is can grow rapidly and is a fast coloniser.

[2] This species is known to be hybridized to Halodule uninervis in Okinawa, Japan.