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  1. Original Article

    Maturation at a young age and small size of European smelt (Osmerus eperlanus): A consequence of population overexploitation or climate change?

    Age of fish at maturation depends on the species and environmental factors but, in general, investment in growth is prioritized until the first sexual maturity, after which a considerable and increasing propor...

    Timo Arula, Heli Shpilev, Tiit Raid, Markus Vetemaa and Anu Albert

    Helgoland Marine Research 2017 71:7

    Published on: 17 April 2017

  2. Short Communication

    Life history told by a whale-louse: a possible interaction of a southern right whale Eubalaena australis calf with humpback whales Megaptera novaeangliae

    Southern right whales (Eubalaena australis) are known to host three species of whale-lice, Cyamus gracilis, Cyamus ovalis and Cyamus erraticus. Such cyamids usually are generalists in toothed whales (Cetacea: Odo...

    Tammy Iwasa-Arai, Salvatore Siciliano, Cristiana S. Serejo and Ghennie T. Rodríguez-Rey

    Helgoland Marine Research 2017 71:6

    Published on: 8 April 2017

  3. Original Article

    Bacterial biota of shrimp intestine is significantly modified by the use of a probiotic mixture: a high throughput sequencing approach

    The use of probiotics is a common practice of current shrimp aquaculture. Despite the immunophysiological responses that have been measured in shrimp exposed to probiotics, no information is currently availabl...

    Francisco Vargas-Albores, Marco A. Porchas-Cornejo, Marcel Martínez-Porchas, Enrique Villalpando-Canchola, Teresa Gollas-Galván and Luis R. Martínez-Córdova

    Helgoland Marine Research 2017 71:5

    Published on: 8 April 2017

  4. Original Article

    Fatty acid composition of sprat (Sprattus sprattus) and herring (Clupea harengus) in the Baltic Sea as potential prey for salmon (Salmo salar)

    Sprat (Sprattus sprattus) and small herring (Clupea harengus) are the dominant prey fish of Atlantic salmon (Salmo salar) in the Baltic Sea. If the fatty acid (FA) proportions of sprat and herring differ, the die...

    Marja Keinänen, Reijo Käkelä, Tiina Ritvanen, Timo Myllylä, Jukka Pönni and Pekka J. Vuorinen

    Helgoland Marine Research 2017 71:4

    Published on: 20 March 2017

  5. Review

    Light traps for sampling marine biodiversity

    Standardised sampling methods are required to meet the Convention on Biological Diversity Aichi Targets to monitor trends in biodiversity. Currently the animals monitored in the marine environment are predomin...

    Laura E. McLeod and Mark J. Costello

    Helgoland Marine Research 2017 71:2

    Published on: 8 February 2017

  6. Original Article

    A non-native macroalga is less attractive for herbivores but more susceptible to light limitation and grazing stress than a comparable native species

    It has been suggested that non-native species are more tolerant towards abiotic stress than ecologically comparable native species. Furthermore, non-native marine macroalgae should be under lower grazing press...

    Patrício Ramalhosa, Sarah-Lena Debus, Manfred Kaufmann and Mark Lenz

    Helgoland Marine Research 2016 70:25

    Published on: 21 December 2016

  7. Short Communication

    Substrate preference and settlement behaviour of the megalopa of the invasive crab Percnon gibbesi (Decapoda, Percnidae) in the Mediterranean Sea

    The transition from a planktonic to a benthic life is a critical phase in which sub-adults are particularly exposed to the risk of predation and dispersion into unsuitable habitats, and plays a crucial role in...

    Arturo Zenone, Fabio Badalamenti, Vincenzo M. Giacalone, Luigi Musco, Carlo Pipitone, Tomás Vega Fernández and Giovanni D’Anna

    Helgoland Marine Research 2016 70:21

    Published on: 14 December 2016

  8. Original Article

    A reappraisal of Stegastes species occurring in the South Atlantic using morphological and molecular data

    The taxonomic status of Pomacentridae species can be difficult to determine, due to the high diversity, and in some cases, poorly understood characters, such as color patterns. Although Stegastes rocasensis, ende...

    Allyson Santos de Souza, Ricardo de Souza Rosa, Rodrigo Xavier Soares, Paulo Augusto de Lima-Filho, Claudio de Oliveira, Oscar Akio Shibatta and Wagner Franco Molina

    Helgoland Marine Research 2016 70:20

    Published on: 13 December 2016

  9. Original article

    Species identification of echinoderms from the North Sea by combining morphology and molecular data

    Taxonomic uncertainties in the morphological species identification and taxonomic revisions in individual groups are known for all echinoderm classes. These uncertainties in morphological species identificatio...

    Silke Laakmann, Karin Boos, Thomas Knebelsberger, Michael J. Raupach and Hermann Neumann

    Helgoland Marine Research 2016 70:18

    Published on: 9 December 2016

  10. Original Article

    Food-limited growth of larval Atlantic herring Clupea harengus recurrently observed in a coastal nursery area

    Food-limited growth of larval fish, defined as growth rates lower than observed in other habitats or from laboratory experiments at a given temperature, is rarely reported in field studies. This would imply t...

    Matthias Paulsen, Catriona Clemmesen, Cornelius Hammer, Patrick Polte and Arne M. Malzahn

    Helgoland Marine Research 2016 70:17

    Published on: 8 December 2016

  11. Original Article

    Epibiontic associations between apostomid ciliates Conidophrys spp. and amphipods associated with fish farms fouling in the western Mediterranean Sea

    Fish farms commonly support high abundances of invertebrates, especially amphipods, associated with fouling communities developed over nets, ropes and buoys. Protozoan epibiont ciliates of the genus Conidophrys w...

    Gregorio Fernandez-Leborans, Victoria Fernandez-Gonzalez, Pablo Sanchez-Jerez and Alvaro Roura

    Helgoland Marine Research 2016 70:12

    Published on: 1 December 2016

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