Abstract. This paper describes the first record of albinism in the gafftopsail catfish, Bagre marinus, on the coast of Tabasco, Mexico. The standard length of the albino specimen was 311 mm and the gutted weight was 962 g. It is not only the first record of albinism of the Bagre genus, but of any kind of fish in the southeastern Gulf of Mexico.
The paper presents the first European records of the copepod (Crustacea, Calanoida, Diaptomidae) Skistodiaptomus pallidus in shallow eutrophic waters indirectly connected with the Weser River, Northern Germany. Its original distribution is in the Mississippi basin of the United States of America. It is probable that this species entered the Weser River via ship ballast.
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