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RESEARCH ARTICLE

On the genus Spirobranchus (Annelida, Serpulidae) from the northern Red Sea, and a description of a new species

Orly Perry A G , Omri Bronstein B , Noa Simon-Blecher A , Ayelet Atkins C , Elena Kupriyanova D , Harry ten Hove E , Oren Levy A and Maoz Fine A F
+ Author Affiliations
- Author Affiliations

A The Mina and Everard Goodman Faculty of Life Sciences, Bar-Ilan University, Ramat-Gan 52900, Israel.

B Geological–Paleontological Department & Central Research Laboratories, Natural History Museum, Burgring 7, 1010 Vienna, Austria.

C Bar-Ilan Institute for Nanotechnology and Advanced Materials, Bar-Ilan University, Ramat-Gan 52900, Israel.

D Australian Museum Research Institute, Australian Museum, 1 William Street, Sydney, NSW 2010, Australia.

E Naturalis Biodiversity Center, PO Box 9517, 2300 RA Leiden, the Netherlands.

F The Interuniversity Institute for Marine Science in Eilat, PO Box 469, Eilat 88103, Israel.

G Corresponding author. Email: orlyperry1@gmail.com

Invertebrate Systematics 32(3) 605-626 https://doi.org/10.1071/IS17061
Submitted: 9 July 2017  Accepted: 25 September 2017   Published: 4 May 2018

Abstract

Species of the genus Spirobranchus, commonly known as Christmas tree worms, are abundant throughout tropical Indo-Pacific and Atlantic Oceans. Information on the species inhabiting the Red Sea in general and the Gulf of Eilat (Gulf of Aqaba) in particular, has so far been very limited. Here we present a multigene phylogenetic analysis, examining both mitochondrial (Cyt-b) and nuclear (ITS2 and 18S) markers, to support the presence of four distinct Spirobranchus species in the Gulf of Eilat: S. corniculatus (including three taxa previously regarded as full species: S. gaymardi, S. cruciger, and S. corniculatus), S. cf. tetraceros, S. gardineri and a new species Spirobranchus aloni, likely endemic to the Red Sea (including two morphotypes with slightly different opercular morphology). The results presented here emphasise that the combination of molecular and in-depth morphological evaluation holds great prospects for a better understanding of species divergence and relationships.

Additional keywords: molecular taxonomy, polychaeta, Red Sea, Serpulidae, Spirobranchus.


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