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Lepeophtheirus Pectoralis
''Lepeophtheirus pectoralis'' is a species of Parasitism, parasitic copepod from the northeast Atlantic Ocean, and the type species of the genus ''Lepeophtheirus''. It is a parasite of flatfish, with the European flounder (''Platichthys flesus''), the plaice (''Pleuronectes platessa''), and the dab (''Limanda limanda'') as the most frequent hosts. It feeds on the mucus, skin, and blood of the fish, with egg-producing females infecting the pectoral and pelvic fins of the host, while immature individuals and males are found on the rest of the body. Lifecycle Its Biological life cycle, lifecycle consists of five phases and 10 stages. The first two stages are free-swimming Nauplius (larva), nauplius I and II, while the third stage is the copepodid stage, during which the copepod attaches itself to the fish. Stages IV, V, VI and VII are the chalimus stages, and are followed by the preadult and adult stages, when differentiation of males and females is possible. Multiple generations are ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Otto Friedrich Müller
Otto Friedrich Müller, also known as Otto Friedrich Mueller (2 November 1730 – 26 December 1784) was a Danish naturalist and scientific illustrator. Biography Müller was born in Copenhagen. He was educated for the church, became tutor to a young nobleman, and after several years' travel with him, settled in Copenhagen in 1767, and married a lady of wealth. His first important works, ''Fauna Insectorum Friedrichsdaliana'' (Leipzig, 1764), and ''Flora Friedrichsdaliana'' (Strasbourg, 1767), giving accounts of the insects and flora of the estate of Frederiksdal, near Copenhagen, recommended him to Frederick V of Denmark, by whom he was employed to continue the ''Flora Danica'' a comprehensive atlas of the flora of Denmark. Müller added two volumes to the three published by Georg Christian Oeder since 1761. The study of invertebrates began to occupy his attention almost exclusively, and in 1771 he produced a work in German on “Certain Worms inhabiting Fresh and Salt Water,†... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
