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Hydrozoa

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Hydrozoa
the class of aquatic jellyfishes to which the Portuguese-man-of-war belongs.


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lividus is often described as herbivorous, although there are documented instances of its feeding on artificial diets containing fish meal (Fernandez & Boudouresque 2000), sponges, hydrozoa, copepods, dead fish and mussels (Boudouresque & Verlaque 2007).
The class Hydrozoa has been rated quite tolerant of certain natural phenomena, such as high alkalinity, sulfate concentrations, sedimentation, and low stream gradients (USDA Forest Service 1989) (Table 2).
Hydrozoa present higher average abundance and contributions to similarity in the selected group of samples with spat in both management sectors.
 
 
 
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