The intestinal microbiota is involved in a wide range of biological processes that benefit the host, including providing nutrition and modulating the immune system. Fine flounder (Paralichthys adspersus) is a flatfish of commercial interest that is native to the Chilean coast. The high value of this flatfish has prompted the development of stock enhancement and aquaculture activities. Knowledge...

Каменная креветка Palaemon elegans Rathke, 1836 – широко распространенный инвазивный вид, бентофаг-полифаг, значимый в питании рыб, ряде стран промысловый объект. После вселения Балтийское море успешно акклиматизировалась, распространилась, вытеснив аборигенные виды креветок палемонов. Наблюдается недостаток знаний о биологии креветки из морских поселений у берегов Калининградской области. Полу...

The gene for vitellogenin, an egg yolk protein precursor, is usually silent in male fish but can be induced by estrogen exposure. For this reason, vitellogenin production in male fish has become a widely used indicator of exposure to exogenous estrogens or estrogen mimics in the aquatic environment. The utility of this indicator to predict impacts on fish reproductive success is unclear because...

ROMINA B. ITUARTE1,3, EDUARDO D. SPIVAK1 and KLAUS ANGER2* Departamento de Biología, Facultad de Ciencias Exactas y Naturales, Universidad de Mar del Plata, Casilla de Correo 1245, 7600 Mar del Plata, Argentina Biologische Anstalt Helgoland, Stiftung Alfred-Wegener-Institut für Polarund Meeresforschung, Meeresstation, 27498 Helgoland, Germany Tel. +49 (4725) 819348; Fax (+49) 4725 8193; email: ...