The Lined Seahare (Stylocheilus striatus) is a member of the opisthobranch family Aplysiidae which includes the ‘Seahares’. This species has a broad distribution throughout the Indo-Pacific region and is generally found in the warmer tropical waters however it occasionally can be found in temperate seas. This species can be found in shallow waters where it feeds on blue-green algae that form mat or film over rocks and substrate. This species usually has dark longitudinal lines running along its body and several small spots with circles around them. When this species is disturbed it excretes a purple ink to deter predators.
The Lined Seahare (Stylocheilus striatus) grows to a maximum length of approximately 7cm.