Thalassoma bifasciatum (Labridae) - Paar- und Gruppenlaichen im Korallenriff

In the protogynous wrasse Thalassoma bifasciatum two different ways of spawning do occur: pair-spawning is performed by gaudy (terminal) males and single females whereas in group-spawning individuals with only the drab color pattern (females and younger mature males) are engaged. In both ways of spawning the movements are similar to each other: In a quick rush the sex partners raise about ½ - 1 m …