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Protozoan Infections (Haemogregarines, Trypanosomes) of the Blood of the Gadoid Fish, Melanogrammus aeglefinus (Haddock) and Gaidropsaurus cimbrius (Four‐Bearded Rockling)
Author(s) -
Fänge Ragnar
Publication year - 1979
Publication title -
acta zoologica
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.414
H-Index - 37
eISSN - 1463-6395
pISSN - 0001-7272
DOI - 10.1111/j.1463-6395.1979.tb00606.x
Subject(s) - haddock , biology , pronephros , fish <actinopterygii> , zoology , parasite hosting , fishery , spleen , anatomy , immunology , biochemistry , gene , xenopus , world wide web , computer science
Parasitic protozoans, identified as Haemogregarina aeglefini (Henry), were found in erythrocytes of two gadiform fish, Melanogrammus aeglefinus (haddock) and Gaidropsaurus cimbrius (four‐bearded rockling). The latter species also harboured trypanosomes in its blood plasma, and a kind of intracellular parasite‐like inclusions in macrophages of the spleen, the pronephros and the liver. Most specimens of Gaidropsaurus cimbrius had leeches ( Callobdella nodulifera ) attached to the skin. A remarkable abundance of blood leucocytes noted in Gaidropsaurus cimbrius may be a response to haematozoan infections.