Table 1. Localities and geographical position where the presence (+) or absence (−) of mass mortality was assessed.

Locality	coordinates	I. fasciculate die-off
*Blanes (2 sites)	41.674N ; 2.74E	−
*Tossa de Mar (1 site)	41.720N ; 2.93E	−
*Medes Islands MPA (3 sites)	42.047N ; 3.22E	−
*Cabrera NP (3 sites)	39.140N ; 2.94E	+
*Scandola RP (1 site)	42.356N ; 8.56E	+
*Marseille (4 sites)	43.297N ; 5.38E	−
*Port-Cros (3 sites)	43.009N ; 6.38E	−
*Columbretes MPA (6 sites)	39.055N ; 0.44E	−
**Granada Coast	36.728N ; 3.44W	+
**Chafarinas Islands	35.005N ; 2.25W	+

^*Present study

^**Maldonado et al. 2010.