Abstract
A description of adult female Pennella filosa is presented from two specimens found embedded in an escolar Lepidocybium flavobrunneum captured in the north-west Atlantic. This report represents a new host record for the parasite. The specimens each exhibited a bifurcate dorsal holdfast horn, a feature not previously reported for P. filosa. The novel shape of this horn was considered another form of phenotypic variation of this plastic species rather than interspecific variation. Morphological features, such as cephalothorax shape, abdominal plume configuration, structure of the terminal segment of the second antennae and total length, were characteristic of previously described P. filosa.
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Benz, G.W., Hogans, W.E. Pennella filosa (L., 1758) (Copepoda: Siphonostomatoida) from the escolar Lepidocybium flavobrunneum (Smith, 1849) in the north-west Atlantic. Syst Parasitol 26, 127–131 (1993). https://doi.org/10.1007/BF00009219
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DOI: https://doi.org/10.1007/BF00009219