These data reveal that small pest fishes such as P. parva may be prone to imperfect detection when at low densities and this is consistent with a number of other invasive species.
Bee-eaters (Meropidae) have been accused of preying on commercially valuable honeybees, and the North American belted kingfisher (Megaceryle alcyon) is sometimes considered a pest at fish hatcheries because it preys on young game fish.
Monogenea are common pests on fish in hatcheries and home aquariums.
Some cnidarians are parasites, mainly on jellyfish but a few are major pests of fish.
Split), generally for their own transport needs, accommodating ships with draught up to 8.2 m Kaštela basin C - mooring for laid-up vessels, pest control, fishing boats etc.; the terminal accommodates craft with draught up to 11.6 m The first trading post at the site of the Port of Split was Aspalathos, established by Greek settlers from the island of Vis in the 4th century BC.
However, most mortality results from human activities, in the form of road kills, drownings in fishnets, destruction as pests around fishing areas, or trapping for their fur.
In reef aquariums, parasitic isopods can become a pest, endangering the fish and possibly injuring the aquarium keeper.
This paradoxical phenomenon is known as the hydra effect, and it has important implications in the design of strategies in such areas as fishing, pest management, and conservation biology.
Asian carp were taken to North America during the 1960s and '70s to control the growth of noxious aquatic plants, snails, and other pest organisms in ponds, fish farms, and small lakes.
C. elegans and D. melanogaster are not pathogens or pests and the zebra fish is certainly not adapted to living in marine environments.
