Annotated checklist of the polychaete species of the ... - Senckenberg

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8 T. WEHE & D. FIEGE of evolution. The northernmost parts of the Indian Ocean, i.e. the seas around the Arabian Peninsula, including the Red Sea, the Gulf of Aden, the Arabian Sea, the Gulf of Oman and the Arabian Gulf, are also regarded as highly diverse regions, encompassing a large number of endemic species, especially in the Red Sea (HEAD 1987 a, SHEPPARD et al. 1992). This holds true especially for certain groups, such as fishes, echinoderms and corals (ORMOND & EDWARDS 1987; SMITH et al. 1987; KLAUSEWITZ 1989; PRICE 1982, 1983; CAMPBELL 1987; SHEPPARD & SHEPPARD 1991; SHEPPARD et al. 1992). It is assumed that the presence of such a high number of endemic species – e.g. Arabian region: 11.3 % of zooxanthellate corals (SHEPPARD et al. 1992), 17 % of reef fishes (SHEPPARD et al. 1992); Red Sea: 33-70 % of crinoids, depending on depth (CAMPBELL 1987), 23 % of holothuroids (CAMPBELL 1987), 13 % of asteroids (CAMPBELL 1987) – is due to the geological and hydrographical history of the area and the extreme values of abiotic factors such as high salinity and temperature, especially in the Red Sea and the Arabian Gulf. Based on the degree of endemism and other distribution patterns, different approaches have been made, depending on the group of animals, to establish the Arabian region or even parts of it as a subdivision of the Indo-West Pacific (e.g. KNOX 1957; KLAUSEWITZ 1989; SHEPPARD & SHEPPARD 1991; BRIGGS 1974, 1996). However, as discussed in SHEPPARD et al. (1992), it would seem sensible to classify the whole Arabian region as a subdivision of the Indo-West Pacific. With regard to other taxa, data on diversity and endemic species of the Arabian region are either not available or have not yet been summarised. This is true for the majority of invertebrate groups including the polychaetous annelids. HEAD (1987 b) remarks for the Red Sea: “The polychaete fauna of the Red Sea is well known …”. However, as in other taxa mentioned in EDWARDS & HEAD (1987), he provides no data for the total number of species or any statement with regard to endemics for the polychaetes of the Red Sea. Although a number of important studies on the polychaete fauna of various parts of the Arabian region have been carried out (e.g. GRUBE 1868 b, 1869; GRAVIER 1899 a, 1899 b, 1900, 1902, 1906, 1908; FAUVEL 1911, 1919, 1927 a, 1951 a, 1951 b, 1951 c, 1951 d; CROSSLAND 1923; POTTS 1928; MONRO 1937; WESENBERG-LUND 1949; HARTMANN-SCHRÖDER 1960; DAY 1965; FISHELSON & RULLIER 1969; KISELEVA 1971; MOHAMMAD 1971, 1973, 1980; VINE 1972; PETER 1973; BEN-ELIAHU 1975 a, 1975 b, 1976 a, 1976 b, 1977 a, 1977 b, 1977 c; AMOUREUX et al. 1978; VINE & BAILEY- BROCK 1984 and ROSENFELDT 1989), there is no comprehensive work either for the respective seas surrounding the Arabian Peninsula or for the whole region, which would provide data on species diversity, endemics, geographical distribution etc. KNOX (1957) made a first attempt to summarise the information available on polychaete diversity within the Indo-Pacific, including also data for the Red Sea and Arabian Sea, mainly based on the work of WESENBERG-LUND (1949). However, the checklist presented here supersedes the data given by KNOX (1957) and WESENBERG-LUND (1949) for these regions. HARTMAN (1974 a, 1974 b) published a catalogue of the species from India and from the northern Indian Ocean respectively, including the Arabian region, but her catalogue is far from being complete, especially with regard to the latter area. In order to obtain information on the diversity and zoogeography of the fauna for comparison with other areas, an inventory of the regional fauna is necessary. Therefore, the main objectives of the checklist presented here are: (1) to provide a complete, up to date overview of the polychaete species recorded from the Arabian region, based on the literature, thus summarising our current knowledge of polychaete diversity around the Arabian Peninsula, (2) to provide baseline data for future revisionary work based on the examination of the respective specimens and (3) to provide an idea of the species that are to be expected in the area and a bibliography of the relevant literature; both would facilitate ecologists’ and fieldworkers’ work and the latter could be used in order to facilitate the identification of species.
Area covered Annotated checklist of polychaetes of the Arabian Seas 9 Fig. 1: Map of the area investigated showing the seas surrounding the Arabian Peninsula. The area treated in this paper comprises the following marine regions (see Fig. 1), listed in anticlockwise direction around the Arabian Peninsula: (1) The Suez Canal. Taking account of Lessepsian migration (POR 1978), it seems legitimate to include records from the Suez Canal within this checklist, as its fauna is of predominantly Red Sea rather than Mediterranean origin. The Suez Canal thus represents the north-westernmost part of the whole Arabian marine region. (2) The Red Sea with its two northern branches, the Gulf of Suez and the Gulf of Aqaba. (3) The Gulf of Aden, representing the connection between the Red Sea and the Indian Ocean. (4) The Arabian Sea, the northernmost part of the Indian Ocean between the south coast of the Arabian Peninsula and the Indian subcontinent. (5) The Gulf of Oman, connecting the Indian Ocean with the shallow Arabian Gulf. (6) The Arabian Gulf itself.
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Family Polynoidae Malmgren, 1867 An
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Polynoe impatiens. — SAVIGNY 1826
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Family Sabellidae Malmgren, 1867 An
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Family Sternaspidae Carus, 1863 Ann
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ispiralis, Protula ................
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cryptica, Syllis truncata = Typosyl
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geayi, Grubeulepis ................
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kinbergi, Eupanthalis .............
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multicornis, Serpula (Pomatoceros)
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pterochaeta, Terebella ............
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tesselata, Glycera = Glycera brevic
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Annotated checklist of the polychaete species of the ... - Senckenberg

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