Stylocheilus striatus is a hermaphrodite. Two individuals exchange sperm shortly before egg-laying takes place; sometimes three or more individuals take part in a chain mating process. The eggs are enclosed in separate capsules connected together in gelatinous strings. In due course the eggs hatch into veliger larvae with small calcareous shells. After a short planktonic stage, these larvae settle on the substrate, undergo metamorphosis, losing their shells in the process, and become juveniles. Recent work has shown that the survival of both eggs and veligers can be negatively impacted by anthropogenic noise pollution, but the developmental rate of eggs is not affected.
up to 65 mm in length
Found in the Indo-pacific region living from the intertidal zone to a depth of 30 metres. Their diet mainly consists of blue algae. They play an important role in controlling toxic blooms of the cyanobacterium Lyngbya majuscula.
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Images by Sylke Rohrlach - Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=39871270