Echinothrix diadema (Linnaeus, 1758)

Amjad, Farah, Ahusan, Mohamed, Amir, Hana, de Villiers, Nina M, Gress, Erika, Mah, Christopher L, Naeem, Shafiya, Rico-Seijo, Nuria, Samaai, Toufiek, Afzal, Maryiam S, Woodall, Lucy C & Stefanoudis, Paris V, 2024, An underwater imagery identification guide for shallow, mesophotic and deep-sea benthos in Maldives, Biodiversity Data Journal 12, pp. e 120128-e 120128 : e120128-

Echinothrix diadema (Linnaeus, 1758)

Materials

Type status: Other material. Taxon: scientificName: Echinothrix diadema ; kingdom: Animalia; phylum: Echinodermata; class: Echinoidea; order: Diadematoida ; family: Diadematidae ; genus: Echinothrix ; scientificNameAuthorship: (Linnaeus, 1758); Location: waterBody: Indian Ocean; country: Maldives; locality: Laamu ; minimumDepthInMeters: 2; maximumDepthInMeters: 5; locationRemarks: Nekton Maldives Mission; Identification: identifiedBy: Farah Amjad, Paris Stefanoudis; dateIdentified: 2022, 2023; identificationRemarks: Identified only from imagery; Event: samplingProtocol: Submersible OR Remotely Operated Vehicle OR Snorkel; Record Level: basisOfRecord: Human observation

Notes

Small test size compared to spine length, with numerous fine spines throughout the aboral surface. Spines and test appear dark, almost black in colour. Diadema spp. look similar but tend to have longer spines relative to the test (Fig. 267 ).

Figures

Figure 267. Echinothrix diadema, Laamu, 2 m.