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Five Species of Aquatic Oligochaetes New to Iran with an Updated Checklist

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Five Species of Aquatic Oligochaetes New to Iran with an Updated Checklist Oceanological and Hydrobiological Studies International Journal of Oceanography and Hydrobiology Volume 43, Issue 1 ISSN 1730-413X (100–105) eISSN 1897-3191 2014 DOI: 10.2478/s13545-014-0121-3 Received: October 25, 2013 Short communication Accepted: January 20, 2014 Five species of aquatic oligochaetes new INTRODUCTION to Iran with an updated checklist Although terrestrial oligochaetes of Iran are known from numerous studies (eg. Latif et al. 2009, 1,* 2 Yousefi et al. 2009, Ezzatpanah et al. 2010), the Aleksandra Jabłońska , Vladimir Pešić species living in inland waters were mentioned only in a few papers. The first information comes from Stephenson (1920), who recorded four species. 1 Department of Invertebrate Zoology and Hydrobiology, Egglishaw (1980) added one species to this short list. University of Łódź, Banacha 12/16, PL-90-237 Łódź, Aliyev & Ahmadi (2010) found four species of Poland aquatic oligochaetes, including three new to the fauna 2 Department of Biology, Faculty of Sciences, University of of Iran. Ahmadi et al. (2011) provided data about Montenegro, Cetinjski put b.b., 81000 Podgorica, only two species (one new to the country). Ardalan et Montenegro al. (2011) added another species new to Iran. Ahmadi et al. (2012) presented a list of 10 species, including four new to the Iranian fauna. The aim of this paper is to provide information Key words: Clitellata, oligochaetes, fauna, freshwater about the presence of further five species new to Iran and update the checklist of oligochaetes occurring in the inland waters of the country. The hydrological network of Iran is poorly developed. It belongs to the Indian Ocean and the Abstract Caspian Sea catchments. Nevertheless, the major parts of the country are closed drainage basins with Only 14 species of aquatic oligochaetes occurring in inland waters of Iran have been recorded until now. Our investigations many shallow salty lakes and, mostly temporary, based on samples collected in 2003 and 2005 revealed the rivers, some of which carry saline water (McCoy presence of six species, including five new to the fauna of Iran: 2003). Haplotaxis gordioides, Dero dorsalis, Pristina breviseta, Embolocephalus velutinus and Psammoryctides albicola. The provided checklist of Iranian aquatic oligochaetes is still very short (19 species). It is MATERIALS AND METHODS mostly represented by common, cosmopolitan species. However, taking into account the large area of the country, its mountainous The analyzed material came from 10 sampling terrain and peculiar hydrological network, more species may be sites located in various parts of Iran (Fig. 1): discovered in the future. Site 1 − A pond located in the city of Nowshahr, Mazandaran Province. Bottom substrate: mud. Sampling date: 18.06.2005 * Corresponding author: [email protected] Copyright© of Dept. of Oceanography and Geography, University of Gdańsk, Poland www.oandhs.ocean.ug.edu.pl Oligochaetes of Iran| 101 Site 2 – Rheohelocrenic spring, 75 km from the city of Chalus, Elbrus Mt., Mazandaran Province. Bottom substrate: mud and detritus. Sampling dates: 17.07.2003 and 18.08.2003 Site 3 − A stream in the forest − interstitial dig, Tilikenar near the city of Warabon (ca. 25 km from the city of Chalus city), Mazandaran Province. Bottom substrate: sand and gravel. Sampling date: 17.06.2005 Site 4 − the Shahrestanak River − interstitial dig, Elbrus Mt., Tehran Province. Bottom substrate: sand and gravel. Sampling date: 18.08.2003 Site 5 – the Pole Doab stream 15 km downstream from the city of Shahzand, Markazi Province. Bottom substrate: gravel and detritus. Sampling date: 21.07.2003 Fig. 1. Locations of sampling sites in Iran Site 6 – the Gamasiab stream in the Fiazman village (5 km from the city of Nahavandh) – interstitial dig, Hamedan Province. Bottom substrate: sand and procedure see Pešić et al. 2012). The collected gravel. Sampling date: 23.08.2003 individuals were preserved in 3% formalin and subsequently transferred to 75% ethyl alcohol. All Site 7 – the Darband stream in the Darband village the individuals were eventually mounted on slides in (the road from Azna to Dorood, ca. 16 km from the polyvinyl lactophenol and identified using the Azna city), Lorestan Province. Bottom substrate: available keys (Brinkhurst & Jamieson 1971; gravel and detritus. Sampling date: 23.06.2005 Kasprzak 1981; Timm 2009). Site 8 – the Chalanchulan stream in the Chalanchulan RESULTS AND DISCUSSION city (the road from Borujerd to Khorram Abad, ca. 75 km to Khorram Abad), Lorestan Province. During the present study, six species of Bottom substrate: gravel and detritus. Sampling date: Oligochaeta were recorded. Additionally, immature 24.06.2005 individuals of Tubificinae (Naididae) and Enchytraeidae were found. Five species in the Site 9 – A spring near the city of Sarabe – bede – collected material were new to the Iranian fauna: Sarkh, Kermanshah Province. Bottom substrate: Haplotaxis gordioides, Dero dorsalis, Pristina breviseta, gravel and detritus. Sampling date: 27.06.2005 Embolocephalus velutinus and Psammoryctides albicola. The sixth species, Chaetogaster limnaei was previously Site 10 – A stream in the Simk village – interstitial reported (Stephenson 1920). dig, Kerman Province. Bottom substrate: sand and The total number of aquatic Oligochaeta in Iran gravel. Sampling date: 27.07.2003 includes now 19 species. All the aquatic Oligochaeta species from Iran are listed below. The brief The material was collected with a hand net, rinsed information about their occurrence in Iran is on a sieve with a mesh size of 0.25 mm and sorted provided in Table 1. on the spot. Hyporheic habitats were sampled according to the Karaman-Chappuis method by Family: Haplotaxidae digging a hole in the sediment down to the groundwater level, allowing water to fill the bottom Haplotaxis gordioides (Hartmann, 1821) of the pit, then the water was collected with a dish and filtered through a plankton net (for the Material: two specimens from stations 4 and 5 www.oandhs.org 102 | Aleksandra Jabłońska, Vladimir Pešić Table 1 List of aquatic Oligochaeta from Iran Species Reference 1 Aulodrilus pigueti Kowalewski, 1914 Aliyev and Ahmadi (2010), Ahmadi et al. (2012) 2 Aulophorus furcatus (Oken, 1815) Ahmadi et al. (2012) 3 Branchiura sowerbyi Beddard, 1892 Aliyev and Ahmadi (2010), Ahmadi et al. (2011), Ahmadi et al. (2012) 4 Chaetogaster diastrophus (Gruithuisen, 1828) Stephenson (1920) 5 Chaetogaster limnaei Baer, 1827 Stephenson (1920), present study 6 Dero dorsalis Ferronière, 1899 present study 7 Embolocephalus velutinus (Grube, 1879) present study 8 Haplotaxis gordioides (Hartmann, 1821) present study 9 Limnodrilus hoffmeisteri Claparède, 1862 Ahmadi et al. (2011), Ahmadi et al. (2012) 10 Limnodrilus udekemianus Claparède, 1862 Ahmadi et al. (2012) 11 Lumbriculus variegatus (Müller, 1774) Ahmadi et al. (2012), Basim et al. (2012) 12 Nais communis Piguet, 1906 Stephenson (1920) 13 Ophidonais serpentina (Müller, 1774) Ardalan et al. (2011) 14 Pristina breviseta Bourne, 1891 present study 15 Psammoryctides albicola (Michaelsen, 1901) present study 16 Rhyacodrilus coccineus (Vejdovský, 1875) Ahmadi et al. (2012) 17 Spirosperma ferox Eisen, 1879 Aliyev and Ahmadi (2010), Ahmadi et al. (2012) 18 Stylaria lacustris (Linnaeus, 1767) Stephenson (1920), Aliyev and Ahmadi (2010), Ahmadi et al. (2012) 19 Tubifex tubifex (Müller, 1774) Egglishaw (1980), Pourang (1996), Ahmadi et al. (2012) Characteristics of the examined specimens: Worms River. Ahmadi et al. (2012) found the species in the with 220-238 segments, 50-56 mm long. Long Noruzloo Reservoir located on the middle section of prostomium with a transverse groove. Ventral the Zarrineh River. chaetae large, thick, simple-pointed, sigmoid, with nodulus, arranged singly in bundles. Dorsal chaetae Aulophorus furcatus (Oken, 1815) absent in all segments. Immature individuals. A Holarctic species known from various epigean and A common, cosmopolitan species (Timm 2009) subterranean cool waters (Timm 2009). In the found in Iran by Ahmadi et al. (2012) in the Zarrineh present study, it was found in interstitial waters on River in the West Azarbaijan Province. sand, gravel and detritus substrates of epigean flows. The species is new to Iranian fauna. Branchiura sowerbyi Beddard, 1892 Family: Lumbriculidae A cosmopolitan species (Timm 2009) found in the Aras River by Aliyev & Ahmadi (2010) and in the Lumbriculus variegatus (Müller, 1774) Urmia Lake wetlands by Ahmadi et al. (2011). Ahmadi et al. (2012) found the species in bottom A common, Holarctic species (Timm 2009) deposits of two reservoirs: Noruzloo (located on the reported from Iran by Ahmadi et al. (2012), who middle section of the Zarrineh River) and Bukan found it in the Zarrineh River in the West Azarbaijan (located on the upper course of the Zarrineh River). Province. Basim et al. (2012) collected the species in sediments of Jabery and Ravansar springs in Chaetogaster diastrophus (Gruithuisen, 1828) Kermanshah Province and used it in the investigation conducted in the Ahvaz wastewater treatment plant. A common, almost cosmopolitan species (Timm 2009) reported by Stephenson (1920) as Chaetogaster Family: Naididae punjabensis from an artificial channel in Zābol (Nasratabad). Aulodrilus pigueti Kowalewski, 1914 Chaetogaster limnaei Baer, 1827 A cosmopolitan species (Timm 2009) reported from Iran by Aliyev & Ahmadi (2010) from the Aras Material: one specimen from station 8 Copyright© of Dept. of Oceanography and Geography, University of Gdańsk, Poland www.oandhs.ocean.ug.edu.pl
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