Anali za istrske in mediteranske študijeAnnali di Studi istriani e mediterranei Annals for Istrian and Mediterranean Studies 

UDK 5                       Annales, Ser. hist. nat., 29, 2019, 2, pp. 159-280, Koper 2019 ISSN1408-533X 
UDK 5 ISSN 1408-533X (Print) ISSN 2591-1783 (Online) 

Anali za istrske in mediteranske študije Annali di Studi istriani e mediterranei Annals for Istrian and Mediterranean Studies 
Series Historia Naturalis, 29, 2019, 2 
KOPER 2019 
Anali za istrske in mediteranske študije - Annali di Studi istriani e mediterranei - Annals for Istrian and Mediterranean Studies 
ISSN 1408-533X (Tiskana izd.)    UDK 5 Letnik 29, leto 2019, številka 2 ISSN 2591-1783 (Spletna izd.) 
Alessandro Acquavita (IT), Nicola Bettoso (IT), Christian Capapé UREDNIŠKI ODBOR/ (FR), Darko Darovec, Dušan Devetak, Jakov Dulčić (HR), Serena COMITATO DI REDAZIONE/ Fonda Umani (IT), Andrej Gogala, Daniel Golani (IL), Danijel 
BOARD OF EDITORS: Ivajnšič, Mitja Kaligarič, Marcelo Kovačič (HR), Andrej Kranjc, Lovrenc Lipej, Vesna Mačić (ME), Alenka Malej, Patricija Mozetič, Martina Orlando-Bonaca, Michael Stachowitsch (AT), Tom Turk, Al Vrezec 
Glavni urednik/Redattore capo/ Editor in chief: Darko Darovec 
Odgovorni urednik naravoslovja/ 

Redattore responsabile per le scienze naturali/Natural Science Editor: Lovrenc Lipej 
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Anali za istrske in mediteranske študije - Annali di Studi istriani e mediterranei - Annals for Istrian and Mediterranean Studies 
UDK 5                                                      Letnik 29, Koper 2019, številka 2                                      ISSN 1408-533X (Print) ISSN 2591-1783 (Online) 


VSEBINA / INDICE GENERALE / CONTENTS 2019(2) 
50 LET MORSKE BIOLOŠKE POSTAJE  
NACIONALNEGA INŠTITUTA ZA BIOLOGIJO  
I 50 ANNI DELLA STAZIONE DI BIOLOGIA  
MARINA DELL'ISTITUTO NAZIONALE  
DI BIOLOGIA  
50 YEARS OF THE MARINE BIOLOGY STATION  
OF THE NATIONAL INSTITUTE OF BIOLOGY  
Lovrenc LIPEJ, Domen TRKOV, Domen STANIČ,  
Sara CERNICH & Saul CIRIACO  
First Record of Sergeant Major, Abudefduf  
saxatilis (Linnaeus, 1758) in the Adriatic Sea .........  159  
Prvi zapis o pojavljanju velikega seržanta,  
Abudefduf saxatilis (Linnaeus, 1758)  
v Jadranskem morju  
Valentina PITACCO & Selahattin Ünsal KARHAN  
First Record of Flabelliderma cinari Karhan,  
Simboura & Salazar-Vallejo, 2012 (Polychaeta:  
Flabelligeridae) from the Adriatic Sea ...................  167  
Prvi zapis o pojavljanju vrste Flabelliderma  
cinari Karhan, Simboura & Salazar-Vallejo, 2012  
(Polychaeta: Flabelligeridae) v Jadranskem morju  
Ana FORTIČ, Domen TRKOV, Borut MAVRIČ  
& Lovrenc LIPEJ  
Assessment of Bryozoan Xenodiversity  
in the Slovenian Coastal Sea .................................  173  
Ocena ksenodiverzitete mahovnjakov  
v slovenskem obalnem morju  
Martina ORLANDO-BONACA, Janja FRANCÉ,  
Borut MAVRIČ & Lovrenc LIPEJ  
Impact of the Port of Koper on  
Cymodocea nodosa Meadow ...............................  187  
Vpliv koprskega pristanišča na travnik  
kolenčaste cimodoceje (Cymodocea nodosa)  

IHTIOLOGIJA ITTIOLOGIA ICHTHYOLOGY  
Akraam Faraj KARA, Mohamed AL HAJAJI, Hisham GHMATI & Esmail A. SHAKMAN Food and Feeding Habits of Mustelus mustelus (Linnaeus, 1758) (Chondrichthyes: Triakidae) Along the Western Coast of Libya ......................... Prehranjevalne navade navadnega morskega psa, Mustelus mustelus (Linnaeus, 1758) (Chondrichthyes: Triakidae), vzdolž zahodne obale Libije Youssouph DIATTA, Almamy DIABY, Sihem RAFRAFI-NOUIRA & Christian CAPAPÉ Capture of a Rare Endangered Species Leafscale Gulper Shark Centrophorus squamosus (Chondrichthyes: Squalidae) from the Coast of Senegal (Eastern Tropical Atlantic) .................... Ulov redkega in ogroženega morskega psa Centrophorus squamosus (Chondrichthyes: Squalidae) iz obalnih voda Senegala (vzhodni tropski Atlantik) Sihem RAFRAFI-NOUIRA, Christian REYNAUD & Christian CAPAPÉ Morphological Deformities in a Striped Sea Bream Lithognathus mormyrus (Osteichthyes: Sparidae) from Northern Tunisian Waters (Central Mediterranean Sea) ................................. Morfološke deformacije pri ovčici Lithognathus mormyrus (Osteichthyes: Sparidae) iz severno tunizijskih vod (osrednje Sredozemsko morje)  197 205 211  

Sihem RAFRAFI-NOUIRA, Christian REYNAUD &  
Christian CAPAPÉ  
On a Occurrence of Gadella maraldi  
(Osteichthyes: Gadiformes: Moridae) on the  
Tunisian Coast (Central Mediterranean Sea) ..........  219  
O pojavljanju vrste Gadella maraldi  
(Osteichthyes: Gadiformes: Moridae) ob  
tunizijski obali (osrednje Sredozemsko morje)  
Mohamed Mourad BEN AMOR, Marouene  
BDIOUI, Khadija OUNIFI-BEN AMOR, Christian  
REYNAUD & Christian CAPAPÉ  
Unusual Record of Round Fantail Stingray  
Taeniurops grabata (Chondrichthyes:  
Dasyatidae) from the Tunisian Coast  
(Central Mediterranean Sea) .................................  223  
Nenavadni zapis o pojavljanju morskega biča  
vrste Taeniurops grabata (Chondrichthyes:  
Dasyatidae) iz tunizijskih voda (osrednje  
Sredozemsko morje)  
JADRANSKA MORSKA FAVNA  
FAUNA MARINA ADRIATICA  
ADRIATIC MARINE FAUNA  
Roland R. MELZER, Martin HEß, Manuel A.  
STAGGL, Tihomir MAKOVEC & Borut MAVRIČ  
Hippolyte prideauxiana Leach, 1817: First  
Record for the Northern Adriatic and  
Observations on Mimetic Colouration ..................  231  
Hippolyte prideauxiana Leach, 1817: prvi  
zapis o pojavljanju v severnem Jadranu  
s podatki o barvnemu prikrivanju  
Mona REZAEI, Al VREZEC, Borut MAVRIČ  
& Lovrenc LIPEJ  
Biometry and Population Gender Structure  
of Three Crab Species (Crustacea:  
Decapoda) from Sandy Bottom  
in the Northern Adriatic Sea .................................  235  
Biometrija in spolna struktura pri treh vrstah  
rakovic (Crustacea: Decapoda) iz sedimentnega  
dna severnega Jadrana  

ONESNAŽEVANJE OKOLJA 
INQUINAMENTO DELL’AMBIENTE ENVIRONMENTAL POLLUTION 
Sezginer TUNÇER, Sedat GÜNDOGDU, Cem ÇEVIK & Aytug ZILIFLI 
Belone belone (Linnaeus, 1760) and Spicara smaris (Linnaeus, 1758) Entangled in Plastic Collars in the Dardanelles Strait, Turkey ............... 247 Iglica, Belone belone (Linnaeus, 1760), in girica, Spicara smaris (Linnaeus, 1758), zapleteni v plastični ovoj v ožini Dardanele, Turčija 

Jamila FLIOU, Ali AMECHROUQ, Mohammed ELHOURRI, Ouassima RIFFI & Mostafa EL IDRISSI 
Determination of Heavy Metal Content in a Daphne gnidium L. Plant Using Atomic Absorption Spectroscopy ...................................... 253 
Določevanje vsebnosti težkih kovin v volčinu vrste Daphne gnidium L. z uporabo atomske absorbcijske spektroskopije 
DELO NAŠIH ZAVODOV IN DRUŠTEV 
ATTIVITA DEI NOSTRI ISTITUTI E SOCIETA ACTIVITIES BY OUR INSTITUTIONS AND ASSOCIATIONS 


Simon KERMA 
Half a Century of the Marine Biology Station Piran ............................................ 261 
Pol stoletja delovanja Morske biološke postaje Piran 
Navodila avtorjem ................................................ 267 Istruzioni per gli autori .......................................... 269 Instruction to Authors ............................................ 271 
Kazalo k slikam na ovitku ..................................... 273 Index to images on the cover ................................ 273 

received: 2019-09-23 DOI 10.19233/ASHN.2019.16 

FIRST RECORD OF FLABELLIDERMA CINARI KARHAN, SIMBOURA & SALAZAR-VALLEJO, 2012 (POLYCHAETA: FLABELLIGERIDAE) FROM THE ADRIATIC SEA 
Valentina PITACCO 
Marine Biology Station, National Institute of Biology, Fornače 41, 6330 Piran, Slovenia e-mail: valentina.pitacco@nib.si 
Selahattin Ünsal KARHAN 
AMBRD Laboratories, Hanimefendi Sok, 160/6 Sisli, 34384 Istanbul, Turkey 
ABSTRACT 
Eleven specimens of the flabelligerid polychaete Flabelliderma cinari Karhan, Simboura & Salazar-Vallejo, 2012 were found in colonies of the Mediterranean stony coral Cladocora caespitosa (Linnaeus, 1767), in the northern Adriatic Sea. This finding represents the first record of the species outside its type range and provides additional information on its area of distribution and potential ecological role. 
Key words: Flabelliderma cinari, Cladocora caespitosa, symbiosis, northern Adriatic 
PRIMA SEGNALAZIONE DI FLABELLIDERMA CINARI KARHAN, SIMBOURA & SALAZAR­VALLEJO, 2012 (POLYCHAETA: FLABELLIGERIDAE) NEL MARE ADRIATICO 
SINTESI 
Undici esemplari del polichete flabelligeride Flabelliderma cinari Karhan, Simboura & Salazar-Vallejo, 2012 sono stati osservati all’interno delle colonie della madrepora a cuscino Cladocora caespitosa (Linnaeus, 1767) nell’Adria­tico settentrionale. Si tratta della prima segnalazione di questa specie al di fuori dell’area di ritrovamento del suo olotipo e ha permesso di ottenere ulteriori informazioni sulla sua distribuzione e sul suo potenziale ruolo ecologico. 
Parole chiave: Flabelliderma cinari, Cladocora caespitosa, simbiosi, Adriatico settentrionale 

167 
INTRODUCTION 
Polychaetes of the family Flabelligeridae de Saint-Joseph, 1894 live within sediments, among marine plants on rocks or other hard substrates, and they occasionally bore into calcareous rocks or consolidated sediments (Salazar-Vallejo, 2007; Salazar-Vallejo et al., 2008). They can often be distinguished from other polychaetes by their long cephalic chaetae, retractable head region, and papillate body surfaces. Current understanding of the flabelligerid polychaetes is quite irregular and the whole family presents many taxonomic uncertainties (Salazar-Vallejo, 2012). Within this family, the genus Flabelliderma Hartman, 1969, includes species sharing notopodial lobes with globular papillae, dorsal tuber­cles of varying length, and neuropodial hooks with ar­ticulated handle and blunt entire crest (Salazar-Vallejo, 2007). The latest revision of the genus (Salazar-Vallejo, 2007) described seven species recorded in different habitats from shallow tropical to deep Antarctic waters. The genus Flabelliderma was recorded in Mediterranean Sea for the first time in 2012, when the species Flabelli­derma cinari Karhan, Simboura & Salazar-Vallejo, 2012 was described, based on a record from the Turkish coast of the Eastern Mediterranean Sea (Karhan et al., 2012). 
During a research carried out on the fauna associated with the Mediterranean stony coral Cladocora caespi­tosa (Linnaeus, 1767) eleven specimens of F. cinari were collected from the northern Adriatic Sea. This collection represents the first record of this species outside its type locality. A brief description of the species, along with 

Fig. 1: Areas where Flabelliderma cinari has been recorded to date, with details of sampling sites where specimens of F. cinari were found associated with colo­nies of Cladocora caespitosa (Debeli Rtič – DR, Pacug 
– PA, Cape Ronek – RR and Strunjanček – STR). Sl. 1: Predeli, v katerih je bila doslej najdena vrsta Flabel­liderma cinari s podatki o vzorčevalnih lokalitetah, kjer je bila vrsta najdena v kolonijah sredozemske kamene korale (Debeli Rtič – DR, Pacug - PA, Rt Ronek – RR in Strunjanček – STR). 
additional information on its distributional range and ecological role, is presented herein. 
Material and Methods 
Eleven specimens of F. cinari were found in the Gulf of Trieste (northern Adriatic Sea) strictly associated to colonies of the scleractinian coral C. caespitosa. The collection of the colonies was carried out by SCUBA diving in 2012 at four different sites (Fig. 1) between depths of 4 m and 9 m (Tab. 1). 
Colonies fix to small rocks and detritus, and they were easily detached from the substrate without ham­mer and chisel, collected, immediately put in plastic buckets full of seawater and brought to laboratory. The total volume of each colony (Tab. 1) was measured through water displacement, after covering them with a plastic foil (Schiller, 1993). The precise percentage of living polyps within colonies was also estimated in laboratory (Tab. 1). Colonies were broken apart and animals were sorted from coral fragments under a stereomicroscope, then fixed and preserved in 75% ethanol. Diagnostic characters of the specimens were examined, drawn and photographed under a compound microscope. Light micrographs of the specimens were taken using a digital camera (Olympus DP25) mounted on a compound (Olympus CX31) and a stereo (Olympus SZX16) microscope. All specimens are deposited at the Marine Biology Station of the National Institute of Biol­ogy in Piran, Slovenia. 
RESULTS 
Taxonomic account 
Class POLYCHAETA Grube, 1850 Order TEREBELLIDA sensu Rouse & Fauchald, 1997 Family FLABELLIGERIDAE de Saint-Joseph, 1894 Genus Flabelliderma Hartman, 1969 Flabelliderma cinari Karhan, Simboura & Salazar-Vallejo, 2012 
Material examined 
Eleven specimens, two of them incomplete, one lacking the anterior and the other lacking the posterior part, northern Adriatic Sea (Gulf of Trieste, Slovenian coast), spring 2012. 
Description 
All specimens soft, light brown. Complete specimens from 6 mm of length and 1.6 mm of width, with 18 chaetigers, to 19 mm long and 5.5 mm of maximal width, with 28 chaetigers. Body slightly convex dorsally, flat ventrally, densely covered with irregular, lobate tubercles covered by fine sediment particles (Fig. 2A, 2B). Tubercles number 13 to 20 per segment at maximum body width. Dorsal tubercles of two different sizes. Many small, more 

Tab. 1: Sampling sites with coordinates, sample code, depth, date of sampling, total colony volume, percentage of living polyps and number of specimens of Flabelliderma cinari found. Tab. 1: Vzorčevalne lokalitete s koordinatami, kodo in podatki o globini, celokupni prostornini kolonije, deležu živih polipov in številu najdenih primerkov vrste Flabelliderma cinari. 
Sampling site  Latitude (N)  Longitude (E)  Sampling date  Sample code  Depth  Total colony volume  % living polyps  Number of specimens  
Cape Ronek  45°32'25''  13°36'56''  9.7.2012  RR2  8.6  195  95  2  
Cape Ronek  45°32'25''  13°36'56''  9.7.2012  RR3  8.7  1590  100  1  
Cape Ronek  45°32'25''  13°36'56''  9.7.2012  RR4  8.5  955  60  2  
Pacug  45°31'34''  13°35'24''  10.8.2012  PA2  6.0  1265  50  2  
Pacug  45°31'34''  13°35'24''  10.8.2012  PA3  6.2  1230  60  1  
Debeli rtič  45°35'28''  13°42'88''  19.10.2012  DR2  6.0  340  90  1  
Debeli rtič  45°35'28''  13°42'88''  19.10.2012  DR5  6.0  2445  80  1  
Strunjanček  45°32'5''  13°36'10''  22.8.2012  STR2  4.6  1410  50  1  

globular and some bigger ones more elongated and about twice bigger on the dorsal part, while ventral tubercles are all small and globose (Fig. 2A, 2B). Dorsal tubercles with fine sediment, larger along the lateral margins, soft, clavate with narrow bases. Notopodial and neuropodial lobes shorter and masked by adjacent dorsal tubercles, only neuropodial hooks protruding from the ventral surface. Neurochaetae multiarticulate hooks (Fig. 2C), mostly a single hook per ramus, ventral in position; hooks not completely covered by the neuropodial chaetal lobe. Notochaetae multiarticulate capillaries. Each notopo­dium with 7-8 at most multiarticulate capillaries. Anterior end with cephalic cage (Fig. 2D) completely covered with tubercles and sediments, cephalic chaetae not exposed. Prostomium (Fig. 2D) a high cone, with dark-reddish eyes, caruncle well-developed, palps long, two branchial groups with about 30 filaments each. Posterior end taper­ing, pygidium without anal cirri. 
DISCUSSION 
This is the first record of F. cinari outside its type locality in the Eastern Mediterranean coast of Turkey. Species of Flabelliderma are poorly known, despite the wide distribution of the genus, because they can easily be overlooked or confused with sediment granules or debris (Karhan et al., 2012). In fact, the body papil­lae of Flabelliderma form large tubercles, often coated with sediment particles (Salazar-Vallejo, 2007). Current knowledge is still limited for assessing its distribution and ecology, but it is reasonable to guess a wide geo­graphical and ecological distribution for the species. In particular, the Gulf of Trieste (northern Adriatic Sea) is characterised by the lowest winter temperatures in the Mediterranean Sea (Boicourt et al., 1999), suggesting a wide thermal tolerance for the species. The genus is known for being free living in rocky or mixed bottoms and often associated with other species (Salazar-Vallejo, 2007; Karhan et al., 2012). This species was found under boulders surrounded by Cymodocea nodosa meadow (at the type locality) and in corals surrounded by sciaphilic algal communities (present work). 
These new findings prove it to be also a symbiont of the scleractinian coral C. caespitosa. Living tropical and temperate scleractinian corals provide microhabitats for a large number of parasitic and commensal associates, which use the tissue and skeletons of the colonies as substrata (Arvanitidis & Koukouras, 1994; Floros et al. 2005; Stella et al., 2011; Pitacco et al., 2014). Most of these coral associates stress the coral to some degree, and some of them can do considerable harm (Sammarco & Risk, 1990; Smith & Harriott, 1998), such as the boring polychaetes species (Sammarco & Risk, 1990) or the corallivorous fireworm Hermodice carunculata (Wolf & Nugues, 2013). The newly described autolytine polychaete Proceraea janetae is also known to feed on tropical scleractinian corals and its behaviour is closer to parasitism rather than to specialized predation (Martin et al., 2015). Other polychaetes associated with scleractin­ian corals are carnivores and it has been postulated that some of them can feed directly on their host (Giangrande et al., 2000; Lattig & Martin, 2011), as it happens for the syllid Haplosyllis spongicola, feeding on the sponge host (Martin et al., 1998). However, coral associates could also have a mutualistic relation with their host. This is the case of the serpulid Spirobrachus giganteus, settling on different scleractinian hosts (Hunte et al., 1990; Marsden et al., 1990). The coral provides the worm with support, nutrition and protection from predation and the worm enhances water circulation for coral feeding, and provides a refuge for polyps adjacent to the tube from predation and algal growth (DeVantier, 1986; Ben-Tzvi et al., 2006). Commensalisms are the most abundant relationships among symbiotic polychaetes. However, 


Fig. 2: Dorsal (A) and ventral (B) view of Flabelliderma cinari after fixation, tip of a neuropodial hook from a median chaetiger (C) and anterior end showing the cephalic cage chaetae in dorsal view, sediment cover, palps and tentacles removed (D). Legend: cl = caruncula, bs = branchial scars, ps = palp scars, pl = palp lobes. Sl. 2: Dorzalni (A) in ventralni (B) pogled na primerek vrste Flabelliderma cinari po konzerviranju, konica nev­ropodialnega kavlja iz sredinskega hetigerja (C) in sprednja konica naglavnih ščetin (dorzalno), potem ko je bil odstranjen sediment, palpi in lovke (D).  Legenda: cl = caruncula, bs = škržne brazgotine, ps = palpne brazgotine, pl = režnji na palpih. 
their status may be further modified with the appraisal of new information on host-symbiont relationships (Martin et al., 1998). Commensal polychaetes prefer organisms providing them with good shelter or animals possessing protective physiological or morphological characteris­tics (Martin et al., 1998). Scleractinian corals provide them holes and grooves within their skeletons, as well as good chemical defences, with the nematocysts of their polyps. 
All flabelligerids are surface deposit-feeders, and they can be free living or commensal. For instance, Flabesymbios commensalis is a commensal of a sublittoral population of the diademid seaurchin Cen­trostephanus coronatus (Verrill, 1867), often observed feeding on the faecal material of its sea urchin host (Spies, 1975). Flabelliderma pruvoti has been recorded in Southwestern Pacific Ocean among corals and break­ing corals, and Flabelliderma lighti was found associated with a species of yellow sponge (Salazar-Vallejo, 2007). Commensal forms feed in the same manner as the free-living members of the family (Fauchald & Jumars, 1979). All members of the family Flabelligeridae (Fauchald & Jumars, 1979) feed while sitting in crevices using their grooved palps to gather food particles, consisting of unicellular algae and fragments of larger algae and de­tritus. The nature of the relation between F. cinari and C. caespitosa requires further evidence for its clarification: it is reasonable to think of F. cinari as a commensal or perhaps a mutualistic symbiont. In fact, coral associates can benefit the hosts by removing detritus and coral mucus (Nogueira, 2003). Coral mucus in particular is an important carrier of energy and nutrients (Marshall & Wright, 1998; Clode & Marshall, 2002), but can also be a vector for coral pathogen bacteria adhesion (Banin et al., 2001), therefore the worm may also have a potential role of pathogen removal. 
ACKNOWLEDGEMENTS 
Samplings were performed as a part of the first au­thor’s PhD work, financially supported by the Ministry of Agriculture and Environment of Slovenia. Special thanks to the staff of Marine Biology Station in Piran (Slovenia), in particular to the mentor Prof. Dr. Lovrenc Lipej. 


PRVI ZAPIS O POJAVLJANJU VRSTE FLABELLIDERMA CINARI KARHAN, SIMBOURA & SALAZAR-VALLEJO, 2012 (POLYCHAETA: FLABELLIGERIDAE) V JADRANSKEM MORJU 
Valentina PITACCO 
Marine Biology Station, National Institute of Biology, Fornače 41, 6330 Piran, Slovenia e-mail: valentina.pitacco@nib.si 
Selahattin Ünsal KARHAN 
AMBRD Laboratories, Hanimefendi Sok, 160/6 Sisli, 34384 Istanbul, Turkey 
POVZETEK 
Avtorji poročajo o najdbi enajstih primerkov mnogoščetinca iz družine Flabelligeridae Flabelliderma cinari Kar­han, Simboura & Salazar-Vallejo, 2012 v koloniji sredozemske kamene korale Cladocora caespitosa (Linnaeus, 1767) v severnem Jadranu. Najdba predstavlja prvi zapis o pojavljanju te vrste izven njenega območja pojavljanja in podaja dodatne podatke o razširjenosti te vrste in njeni potencialni ekološki vlogi. 
Ključne besede: Flabelliderma cinari, Cladocora caespitosa, simbioza, severni Jadran 
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