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  1. Morphological variation among natural populations is a phenomenon commonly observed in marine invertebrates and well studied, particularly, in shelled gastropods. The nassariid Buccinanops globulosus is interesti...

    Authors: María Soledad Avaca, Maite Narvarte, Pablo Martín and Silvina van der Molen

    Citation: Helgoland Marine Research 2013 67:344

    Content type: Original Article

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  2. The present study is the first attempt to describe meso-scale patterns in the species richness of polychaetes along the Gulf of California, which stretches from about 23°N to 31°N. We examine herein the spatia...

    Authors: Pablo Hernández-Alcántara, David Alberto Salas-de León, Vivianne Solís-Weiss and María Adela Monreal-Gómez

    Citation: Helgoland Marine Research 2013 67:345

    Content type: Original Article

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  3. The crab Halicarcinus planatus is the only hymenosomatid crab that inhabits the southern tip of South America and is the only decapod species that reproduces twice a year in the Beagle Channel. In this article, w...

    Authors: Mariano J. Diez and Gustavo A. Lovrich

    Citation: Helgoland Marine Research 2012 67:343

    Content type: Original Article

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  4. The ecological role of gorgonians for marine rocky bottoms is worldwide recognized, but the information on the distribution patterns of NE Atlantic temperate species is insufficient, considering current global...

    Authors: João Cúrdia, Pedro Monteiro, Carlos M. L. Afonso, Miguel N. Santos, Marina R. Cunha and Jorge M. S. Gonçalves

    Citation: Helgoland Marine Research 2012 67:340

    Content type: Original Article

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  5. The new information reported in this paper is based on five maturing and mature females of the large-tuberculate octopus Graneledone macrotyla. These specimens were caught in bottom trawl surveys ATLANTIS 2009 (F...

    Authors: Ángel Guerra, María Pilar Sieiro, Álvaro Roura, Julio M. Portela and José Luís del Río

    Citation: Helgoland Marine Research 2012 67:342

    Content type: Original Article

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  6. The volcanic origin of the Azores archipelago (Portugal) gives rise to active deep sea and shallow water hydrothermal activity that affects benthic communities. Intertidal seaweed surveys were conducted at two...

    Authors: Francisco M. Wallenstein, Ruben P. Couto, Daniel F. Torrão, Ana I. Neto, Armindo S. Rodrigues and Martin Wilkinson

    Citation: Helgoland Marine Research 2012 67:341

    Content type: Original Article

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  7. This study investigated copepod assemblages in the regime around Turtle Island off northern Taiwan to trace South China Sea water (SCSW) flowing northward with the Kuroshio Current. Seasonal variations of cope...

    Authors: Li-Chun Tseng, Jia-Jang Hung, Qing-Chao Chen and Jiang-Shiou Hwang

    Citation: Helgoland Marine Research 2012 67:339

    Content type: Original Article

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  8. This paper addresses the dynamics of the prokaryotic picoplankton community in the coastal and open sea areas of the central Adriatic and in the coastal area of the southern Adriatic. This involved the study, ...

    Authors: Danijela Šantić, Nada Krstulović, Mladen Šolić, Marin Ordulj and Grozdan Kušpilić

    Citation: Helgoland Marine Research 2012 67:336

    Content type: Original Article

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  9. The amphipod Caprella andreae Mayer, 1890 was recorded for the first time in Southern Iberian Peninsula (36°44′15″N, 3°59′38″W). This species is the only obligate rafter of the suborder Caprellidea and has been r...

    Authors: M. Pilar Cabezas, Carlos Navarro-Barranco, Macarena Ros and José Manuel Guerra-García

    Citation: Helgoland Marine Research 2012 67:337

    Content type: Original Article

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  10. We compiled data from different monitoring surveys to analyse and compare community and diversity patterns of fish, epi- and infauna in the German Exclusive Economic Zone (EEZ) of the North Sea in order to ide...

    Authors: Hermann Neumann, Henning Reiss, Siegfried Ehrich, Anne Sell, Kay Panten, Matthias Kloppmann, Ingo Wilhelms and Ingrid Kröncke

    Citation: Helgoland Marine Research 2012 67:334

    Content type: Original Article

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  11. Captive Octopus vulgaris adults were fed three mono-diets based on pilchard, crab and squid and allowed to grow until reproduction under controlled temperature. Spawns from each dietary treatment were isolated, a...

    Authors: Lorenzo Márquez, Daniel Quintana, Antonio Lorenzo and Eduardo Almansa

    Citation: Helgoland Marine Research 2012 67:335

    Content type: Original Article

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  12. The family Pruvotinidae (Solenogastres, Cavibelonia) includes thirty species of fifteen genera grouped in five subfamilies. These subfamilies are defined by the combination of the presence or absence of hollow...

    Authors: Maria Zamarro, Oscar García-Álvarez and Victoriano Urgorri

    Citation: Helgoland Marine Research 2012 67:333

    Content type: Original Article

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  13. The small-scale vertical distribution of five genera of holoplanktonic molluscs inhabiting the upper oceanic layer (0–105 m) was analysed to test whether evident distribution patterns could be attributed to ha...

    Authors: L. Sanvicente-Añorve, E. Lemus-Santana, C. Flores-Coto and M. Alatorre-Mendieta

    Citation: Helgoland Marine Research 2012 67:331

    Content type: Original Article

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  14. A new species of the genus Protoglossus is described from the west coast of the Scandinavian Peninsula. It lives buried in clay bottoms below the halocline where the salinity is at least 33–34 psu. Body small, es...

    Authors: Tomas Cedhagen and Hans G. Hansson

    Citation: Helgoland Marine Research 2012 67:320

    Content type: Original Article

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  15. Caprella californica Stimpson, 1857 [sensu lato] is one of the dominant species of Caprella spp. (Crustacea: Amphipoda) along the Pacific coast of Mexico to Canada and Japan to Hong Kong, China, ...

    Authors: Ichiro Takeuchi and Aki Oyamada

    Citation: Helgoland Marine Research 2012 67:329

    Content type: Original Article

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  16. Coccolith malformations occur more frequently in cultured specimens than in specimens from natural samples, a phenomenon commonly termed ‘culture artefacts’. The causes of culture artefacts are unknown. Here, ...

    Authors: Gerald Langer, Kerstin Oetjen and Tina Brenneis

    Citation: Helgoland Marine Research 2012 67:328

    Content type: Original Article

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  17. The soft-bottom caprellids of the Iberian Peninsula are revised. Nineteen species have been reported so far, 42 % being endemic to the Mediterranean Sea. The lateral view of all of them is provided, together w...

    Authors: José M. Guerra-García, Carlos Navarro-Barranco, Juan Corzo, Vanessa Cobos-Muñoz, Emilio M. García-Adiego, Francisco Sempere Giménez and J. Carlos García-Gómez

    Citation: Helgoland Marine Research 2012 67:324

    Content type: Original Article

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  18. The interactions between sponges and red macroalgae have been widely documented in tropical and subtropical environments worldwide, and many of them have been documented as mutualistic associations. Sponges, h...

    Authors: Enrique Ávila, Rafael Riosmena-Rodríguez and Gustavo Hinojosa-Arango

    Citation: Helgoland Marine Research 2012 67:327

    Content type: Original Article

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  19. Malacobdella arrokeana is an entocommensal nemertean exclusively found in the bivalve geoduck Panopea abbreviata, and it is the only representative of the genus in the southern hemisphere. To cha...

    Authors: José E. F. Alfaya, Gregorio Bigatti and Annie Machordom

    Citation: Helgoland Marine Research 2012 67:326

    Content type: Short Communication

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    The Erratum to this article has been published in Helgoland Marine Research 2014 68:s10152-013-0378-8

  20. Environmental factors strongly affect mangrove crabs, and some factors modulate population structure and habitat partitioning during the crabs’ life cycle. However, the effect of these environmental factors on...

    Authors: A. C. Wunderlich and M. A. A. Pinheiro

    Citation: Helgoland Marine Research 2012 67:322

    Content type: Original Article

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  21. Meristoderes is the most recently described kinorhynch genus and has until now only accommodated its type species M. macracanthus from the Mediterranean and M. galatheae from the Solomon Islands ...

    Authors: Martin V. Sørensen, Hyun Soo Rho, Won-Gi Min, Dongsung Kim and Cheon Young Chang

    Citation: Helgoland Marine Research 2012 67:323

    Content type: Original Article

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  22. The “brown shrimp”, Crangon crangon (Linnaeus 1758), is a benthic key species in the North Sea ecosystem, supporting an intense commercial fishery. Its reproductive pattern is characterized by a continuous spawni...

    Authors: Ángel Urzúa and Klaus Anger

    Citation: Helgoland Marine Research 2012 67:321

    Content type: Original Article

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  23. The effectiveness of a remotely operated vehicle (ROV) to describe the fish communities of three gas platforms located offshore Crotone (Italy, Ionian Sea) was investigated by comparing its observations with u...

    Authors: Franco Andaloro, Maria Ferraro, Edoardo Mostarda, Teresa Romeo and Pierpaolo Consoli

    Citation: Helgoland Marine Research 2012 67:319

    Content type: Original Article

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  24. In the present study, the genus Mirostenella Bayer (Proc Biol Soc Wash 101:251–256, 1988) is revised. We add to knowledge of the type species of the genus M. articulata Bayer (Proc Biol Soc Wash 101:251–256, 1988

    Authors: Rebeca Zapata-Guardiola, Pablo J. López-González and Josep-Maria Gili

    Citation: Helgoland Marine Research 2012 67:318

    Content type: Original Article

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  25. Meiofauna play an essential role in the diet of small and juvenile fish. However, it is less well documented which meiofaunal prey groups in the sediment are eaten by fish. Trophic relationships between five d...

    Authors: Sabine Schückel, Anne F. Sell, Terue C. Kihara, Annemarie Koeppen, Ingrid Kröncke and Henning Reiss

    Citation: Helgoland Marine Research 2012 67:316

    Content type: Original Article

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  26. Natural assemblages are variable in space and time; therefore, quantification of their variability is imperative to identify relevant scales for investigating natural or anthropogenic processes shaping these a...

    Authors: P. Veiga, M. Rubal, R. Vieira, F. Arenas and I. Sousa-Pinto

    Citation: Helgoland Marine Research 2012 67:315

    Content type: Original Article

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  27. The edible cockle Cerastoderma edule is a marine bivalve commercially fished in several European countries that have lately suffered a significant decrease in production. Despite its commercial importance, geneti...

    Authors: L. Martínez, J. Méndez, A. Insua, A. Arias-Pérez and R. Freire

    Citation: Helgoland Marine Research 2012 67:314

    Content type: Original Article

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  28. In the Seno de Reloncaví, southern Chile, seasonal changes in dry weight (DW) and elemental composition (CHN) were studied in embryo (initial embryonic stage), newly hatched zoeae, and newly settled megalopae ...

    Authors: P. Gebauer, K. Paschke, A. Barría and K. Anger

    Citation: Helgoland Marine Research 2012 67:313

    Content type: Original Article

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  29. Two different decapod larval assemblages inhabit the marine environment of Saint Paul’s Rocks, differentiating the inlet from the surrounding oceanic waters. Larvae of the crab Grapsus grapsus and of the holopela...

    Authors: Manoela Costa Brandão, Andréa Green Koettker and Andrea Santarosa Freire

    Citation: Helgoland Marine Research 2012 67:312

    Content type: Original Article

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  30. The encrusting soft coral Incrustatus comauensis is a common denizen of hard substrates in the shallow sub-tidal zone from the central Chilean fjords to the Cape Horn region of southern South America. DNA barcodi...

    Authors: Catherine S. McFadden and Leen P. van Ofwegen

    Citation: Helgoland Marine Research 2012 67:310

    Content type: Original Article

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  31. Spatial distribution and functional structure of intertidal benthic macrofauna in relation to environmental variables in the Jade Bay (southern North Sea) were studied and compared with other intertidal areas ...

    Authors: Ulrike Schückel, Melanie Beck and Ingrid Kröncke

    Citation: Helgoland Marine Research 2012 67:309

    Content type: Original Article

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  32. The study of feeding habits of the Atlantic bluefin tuna was carried out in 123 specimens, ranging from 115 to 222 cm fork length (FL) and collected during spring seasons of 2010 and 2011 in the central Medite...

    Authors: Pietro Battaglia, Franco Andaloro, Pierpaolo Consoli, Valentina Esposito, Danilo Malara, Simona Musolino, Cristina Pedà and Teresa Romeo

    Citation: Helgoland Marine Research 2012 67:307

    Content type: Original Article

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  33. We tested herein the hypothesis that exposure time significantly contributes to the vertical distribution profile of nematodes during a tidal cycle as a function of distinct feeding and locomotion behaviors, c...

    Authors: M. C. Brustolin, M. C. Thomas and P. C. Lana

    Citation: Helgoland Marine Research 2012 67:306

    Content type: Original Article

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  34. The European razor shell Ensis minor (Chenu 1843) and the American E. directus (Conrad 1843) have a diploid chromosome number of 38 and remarkable differences in their karyotypes: E. minor has four metacentric, o...

    Authors: Ana M. González-Tizón, Verónica Rojo, Joaquín Vierna, K. Thomas Jensen, Emilie Egea and Andrés Martínez-Lage

    Citation: Helgoland Marine Research 2012 67:305

    Content type: Original Article

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  35. The present study assessed the existence of variation in the shell shape of the pod razor shell (Ensis siliqua) throughout its distributional range in the north-eastern Atlantic. Shells of E. siliqua caught at se...

    Authors: Marta M. Rufino, Paulo Vasconcelos, Fábio Pereira, Juan Fernández-Tajes, Susana Darriba, Josefina Méndez and Miguel B. Gaspar

    Citation: Helgoland Marine Research 2012 67:303

    Content type: Original Article

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  36. The micro-scale spatial distribution patterns of a demersal fish and decapod crustacean assemblage were assessed in a hard-bottom kelp environment in the southern North Sea. Using quadrats along line transects...

    Authors: Stephanie Wehkamp and Philipp Fischer

    Citation: Helgoland Marine Research 2012 67:304

    Content type: Original Article

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  37. The reproductive biology including insemination frequency, ovarian maturation, gonadosomatic index (GSI), size at first maturity, and fecundity of Melicertus kerathurus were investigated using monthly samples fro...

    Authors: Kosmas Kevrekidis and Maria Thessalou-Legaki

    Citation: Helgoland Marine Research 2012 67:301

    Content type: Original Article

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  38. The new deep-sea copepod species of the family Paramesochridae (Copepoda, Harpacticoida) presented here was collected during the scientific ANtarctic benthic DEEP-sea biodiversity cruise II (ANDEEP II) to the ...

    Authors: Johanna Kottmann, Terue Cristina Kihara, Thomas Glatzel and Gritta Veit-Köhler

    Citation: Helgoland Marine Research 2012 67:302

    Content type: Original Article

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  39. The activity pattern of intertidal crabs is influenced by factors that usually change rhythmically following tidal and/or diel cycles, and is often associated with the use of refuges. The movement activity of ...

    Authors: Tomás Luppi, Claudia Bas, Agustina Méndez Casariego, Mariano Albano, Juan Lancia, Marcelo Kittlein, Alan Rosenthal, Nahuel Farías, Eduardo Spivak and Oscar Iribarne

    Citation: Helgoland Marine Research 2012 67:300

    Content type: Original Article

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  40. This study evaluated the reproductive features of Octopus tehuelchus in three coastal environments of San Matías Gulf (Patagonia). Monthly samples of O. tehuelchus were used to estimate size at maturity, compare ...

    Authors: Lorena P. Storero, Maite A. Narvarte and Raúl A. González

    Citation: Helgoland Marine Research 2012 66:298

    Content type: Original Article

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  41. Subtidal fouling assemblages usually consist of short-lived organisms. Colonisation sequences on man-made structures may thus be greatly affected by the temporal and spatial variability of propagule supply. Th...

    Authors: Alicia Rico, Roxana Peralta and Juan López Gappa

    Citation: Helgoland Marine Research 2012 66:293

    Content type: Original Article

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  42. The occurrence of two alien alpheid shrimps of the genus Athanas Leach, 1814 [in Leach 1813–1814], the Indo-West Pacific A. dimorphus Ortmann, 1894 and the Eastern Atlantic A. nitescens (Leach, 1813 [in Leach 181...

    Authors: Alexandre O. Almeida, Sabrina M. Simões, Rogério C. Costa and Fernando L. Mantelatto

    Citation: Helgoland Marine Research 2012 66:291

    Content type: Original Article

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  43. Global homogenization of biota is underway through worldwide introduction and establishment of non-indigenous (exotic) species. Organisms fouling ship hulls are continually in transit and can affect communitie...

    Authors: Paulo Torres, Ana Cristina Costa and Maria Ana Dionísio

    Citation: Helgoland Marine Research 2011 66:287

    Content type: Original Article

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  44. This paper deals with climate-driven changes of the species composition of the bottom and near-bottom megafauna of the Dogger Bank (central North Sea), which was sampled each summer with a 2-m beam trawl on a ...

    Authors: Moritz Sonnewald and Michael Türkay

    Citation: Helgoland Marine Research 2011 66:286

    Content type: Original Article

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  45. This study investigates aspects of the life history of the polychaete Thoracophelia furcifera on a sandy beach in southern Brazil. Two fixed transects perpendicular to the shoreline in the intertidal zone were sa...

    Authors: Mariana B. P. Otegui, Arno Blankensteyn and Paulo R. Pagliosa

    Citation: Helgoland Marine Research 2011 66:284

    Content type: Original Article

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