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Parasitic Isopoda of the Black Sea fishes

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Praca prezentuje pasożytnicze Isopoda oraz gatunek Gnathia bacescoi w stadium pranizy, który jest nowo poznanym składnikiem fauny M. Czarnego. W słonawych wodach tego akwenu nastąpiła redukcja liczby gatunków pasożytniczych Isopoda w porównaniu z Morzem śródziemnym i Atlantykiem.
The woodlice of Roztocze were studied. Eight species from ten biotopes were recorded.
Cymothoa indica, a typical Indo-Pacific genus and species, is reported for the first time in the eastern Mediterranean Sea. Specimens were found parasitizing mainly barracudas (Sphyraenidae) from Lebanon. Female and male specimens are described on collected materials. To date, the genus Cymothoa has not been reported in the Mediterranean Sea although it is widely represented in other areas of the world. It is suggested that C. indica should be added to the list of exotic species introduced from the Red Sea and known as Lessepsian migrants.
A female Elthusa raynaudii was found attached on the roof of the mouth facing inward in a lantern shark, Etmopterus sp. in Taiwan. This was backwards to all known cymothoid attachments in the mouths of fishes. This isopod naturally occurs in the gill chamber of fishes. The attachment must have occurred accidentally. This is only the fourth time this isopod has been collected in the northern hemisphere and the first for Taiwan and this host.
A checklist of the parasitic Cymothoidae of Indian fishes was compiled from parasitological records published between 1783 and 2011. The checklist is arranged alphabetically, providing valid names, synonyms and authorities of the parasite species, as well as valid names and synonyms of the host fish, its capture sites, author(s) and date of published records. The host list consists of all parasites species listed under the host species. A total of 47 nominal species corresponding to 36 valid species are listed from 74 host species belonging to 34 families. Several parasites not identified to species level and parasite species without the host data or where the parasite was found not associated with a fish are also included in this checklist.
Three species of Cymothoidae (Crustacea, Isopoda), Emetha audouini, Ceratothoa collaris and C. steindachneri are here reported from Algeria. The presence of E. audouini and C. collaris is confirmed there and these two species are reported for the first time from Béjaïa, Jijel and Annaba. Ceratothoa steindachneri is new for the Algerian fauna. Ceratothoa oestroides, C. parallela, C. oxyrrhynchaena, Anilocra frontalis, A. physodes and Nerocila bivittata are also recorded. New hosts are identified for C. parallela, C. steindachneri, A. frontalis and A. physodes as well as those of E. audouini. Three species of Aegidae, Aega rosacea, A. deshaysiana and Aega sp. are recorded. The presence of the first is reported for the first time in Algeria and that of the second is confirmed there. For each one of these species, potential preys are identified.
This paper presents the first record of two native Mediterranean cymothoid species caught attached to introduced Lessepsian rabbitfishes. This is also the first record of cymothoids from the coastal waters of Libya. Anilocra physodes was collected from Siganus luridus while Nerocila bivittata was found on both Siganus rivulatus and S. luridus. Rabbitfishes in the southern central Mediterranean have acquired native Mediterranean cymothoids but do not seem to be infested along the Levantine coast.
Catoessa boscii (Bleeker, 1857) (Crustacea, Isopoda, Cymothoidae), is redescribed according to the type specimen observed by Schioedte and Meinert (1884) extant in the Rijksmuseum von Natuurlijke Historie, Leiden (RMNH) and from many additional specimens recently collected in India from Carangoides malabaricus (Pisces, Carangidae). This study allows an updating of the diagnosis of the genus Catoessa and of the species Catoessa boscii. Some parasite-host relationships were studied during the year. Prevalence and sex ratio of parasites varied according to the month, and the sex and size of hosts.
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