A new species of Eunice Cuvier, 1817 (Polychaeta: Eunicidae) from the slope of the Desventuradas Islands and seamounts of the Nazca Ridge, southeastern Pacific Ocean

Abstract

A new species of Eunicidae, Eunice decolorhami sp. n., from the southeastern Pacific Ocean, is described. The species was collected at the slope of the Desventuradas Islands (San Félix and San Ambrosio) and in three nearby seamounts of the Nazca Ridge, in dead coral rubble bottoms from 180 to 340 m depth and inhabiting inside parchment-like branched tubes. Eunice decolorhami sp. n. can be distinguished from other species of the genus, mainly by the coloration pattern of the subacicular hooded hooks along the body segments, the beginning of the subacicular hooded hooks, the beginning of the branchiae, the maximum number of branchial filaments, and the maxillary formula. A key for the seven Eunice species recorded off the coast of Chile and Peru, including the new species described herein, is provided.

A new Antipathozoanthus species (Cnidaria, Hexacorallia, Zoantharia) from the northwest Pacific Ocean

“…However, the tubes that Antipathozoanthus tubus sp. nov. was attached to may belong to species within the genus Eunice , as polychaete species that build parchment-like branched tubes have been reported from this genus (e.g., Díaz-Díaz et al 2020 ).…”

First description of deep benthic habitats and communities of oceanic islands and seamounts of the Nazca Desventuradas Marine Park, Chile

“…, Chloeia sp., Eunice decolorhami , Phyllodoce pseudopatagonica , Trypanosyllis cf. zebra and Mesochaetopterus minutus ), bringing the total to 13 genera and five species 15 , 65 , 66 ; one genus of Sipuncula ( Aspidosiphon sp. ); 14 genera and four species of gastropods ( Iniforis cf.…”