Budaeva, Nataliya. (2015). Nothria nikitai, a new species of bristle worms (Annelida, Onuphidae) from the Gulf of Aden, Indian Ocean. Marine Biodiversity. 45(2): 169-174.

192892

10.1007/s12526-014-0244-1 [view]

Budaeva, Nataliya

2015

45(2): 169-174

Publication

https://doi.org/10.1007/s12526-014-0244-1

World Polychaeta Database (WPolyDb). Published efirst online, without ZooBank pre-registration: 31 May 2014. Issue date: June 2015

Available for editors   [request]

A new species of Nothria is described from a subtidal locality in the Gulf of Aden. Nothria nikitai sp. n. represents the second species of the genus reported from the Indian Ocean, bringing the total number of Nothria species described to 20. The new species belongs to a group of species with the second pair of parapodia bearing pseudocompound falcigers only. It can be distinguished from its congeners by the early presence of branchiae (from chaetiger 6), which become very large and foliose in the middle part of the body. Presumably, such extreme development of branchiae has evolved as an adaptation to low oxygen conditions of the area. Ontogenetic variation in chaetal morphology and composition in the first three pairs of parapodia are described, allowing recognition of the smallest size of N. nikitai with the definitive set of characters.

Indian Ocean
Red Sea
Tropical Indian Ocean and Red Sea

Systematics, Taxonomy

Annelida
Polychaeta

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