An adult blackspotted sea cucumber (Pearsonothuria graeffei),

which bears little resemblance to the juvenile in the previous photo.

(Grand Central Station, North Save-a-Tack, Fiji)

echinoderm; sea cucumber; blackspotted sea cucumber; Graeffe's sea cucumber; Echinodermata; subP Echinozoa; Holothuroidea; Aspidochirotida; Holothuriidae; Pearsonothuria graeffei (formerly Bohadschia graeffei)