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Robert Czerniawski and Tomasz Krepski
Fish occurring in the outlets of water basins reduce the abundance of zooplankton. The study was performed at the outlet sections of the lake and waste stabilization pond of a sewage treatment plant. The aim of the study was to determine which zooplankto...
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Tetsuya Endo, Osamu Kimura, Masaru Terasaki, Yoshihisa Kato, Yukiko Fujii and Koichi Haraguchi
The changes in the stable isotope ratios of carbon (d13C), nitrogen (d15N), oxygen (d18O), and mercury (Hg) concentrations in muscle and liver tissues during and after lactation were studied in killer whales stranded along the coast of Hokkaido, in the n...
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Yeong-Ho Kwak, Seung-Yong Kim, Young-Shin Go, Dong-Hun Lee, Ha-Yun Song, Sang Ok Chung, Jeong Bae Kim and Bohyung Choi
We integrated stomach content analysis (SCA) and stable isotope analysis (SIA) to understand ontogenetic niche shifts in the invasive freshwater fish, bluegill, Lepomis macrochirus, inhabiting the Yedang Reservoir in Korea. Based on the total length (TL)...
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Bin Xu, Dapeng Li, Kaijin Wei, Xiangyun Zhu, Jin Xu and Baoshan Ma
Due to a sharp decline in resources, Schizothorax waltoni Regan and Percocypris retrodorslis have been listed as wildlife under second-class protection in China. Under culture conditions, the early development and allometric growth patterns of S. waltoni...
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Bárbara Angélio Quirino, Sidinei Magela Thomaz, Erik Jeppesen, Martin Søndergaard, Mário Sérgio Dainez-Filho and Rosemara Fugi
Aquatic macrophytes are generally recognized to influence fish?prey interactions. We assessed how fish consume particular foods, and how their foraging efficiency, trophic niche breadth, and niche overlap respond to gradients of macrophyte density and di...
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Myung-Joon Kim, Hyun-Woo Kim, Soo-Rin Lee, Na-Yeong Kim, Yoon-Ji Lee, Hui-Tae Joo, Seok-Nam Kwak and Sang-Heon Lee
The feeding and spawning grounds for seahorses have been lost due to nationwide coastal developments in South Korea. However, little information on the feeding ecology of the Korean seahorse (Hippocampus haema) is currently available. The main objective ...
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Erica Carlig, Davide Di Blasi, Eva Pisano, Marino Vacchi, Gianfranco Santovito and Laura Ghigliotti
The Antarctic endemic fish genus Trematomus (Trematominae, Notothenioidei) includes 15 species very diverse in morphology, lifestyle and feeding ecology. Co-occurring on the continental shelf, they occupy different habitats and a wide range of ecological...
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Giulia Cipriano, Roberto Carlucci, Stefano Bellomo, Francesca Cornelia Santacesaria, Carmelo Fanizza, Pasquale Ricci and Rosalia Maglietta
Relatively scant information is available on the Risso?s dolphin in comparison to the other species regularly present in the Mediterranean Sea. Recently, its conservation status has been updated to Endangered by the International Union for Conservation o...
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Diego Borme, Sara Legovini, Alessandra de Olazabal and Valentina Tirelli
Food availability is thought to exert a bottom-up control on the population dynamics of small pelagic fish; therefore, studies on trophic ecology are essential to improve their management. Sardina pilchardus is one of the most important commercial specie...
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Claudio D?Iglio, Marco Albano, Francesco Tiralongo, Sergio Famulari, Paola Rinelli, Serena Savoca, Nunziacarla Spanò and Gioele Capillo
Data on the biology and ecology of Galeus melastomus are old/absent for the Southern Tyrrhenian Sea, despite there being numerous studies in the wider area. A total of 127 specimens of G. melastomus from the southern Tyrrhenian Sea, collected in 2018?201...
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