Mass mortality of the invasive echinoid Diadema setosum (Leske, 1778) in Crete, East Mediterranean Sea


GRIGORIOS SKOURADAKIS
https://orcid.org/0000-0002-8482-460X
EMMANOUELA VERNADOU
https://orcid.org/0009-0009-0779-4695
PANAYOTA KOULOURI
https://orcid.org/0000-0002-3418-7980
THANOS DAILIANIS
Resumen

Diadema setosum is an echinoid of Indo-Pacific origin that invaded the Mediterranean Sea in 2006. It is an ecosystem engineer with an important ecological function in its native range, but it can have a detrimental effect on Mediterranean reefs. Recently in 2022 a mass mortality event (MME) affecting this species was recorded in the east Aegean Sea in the eastern part of the Mediterranean basin. We are reporting herein a westward progression of the MME in 2023 affecting established populations in various locations around the island of Crete.

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