Fish diseases and parasites - Quiz
A) Tapeworm B) Salmon fluke C) Sea lice D) Leech
A) 2002 B) 1984 C) 1990 D) 1972
A) Bacterium B) Monogenean parasite C) Virus D) Copepod
A) 1972 B) 2002 C) 1984 D) 1995
A) Viral B) Bacterial C) Parasitic D) Fungal
A) Vaccination of remaining fish B) Isolation of infected individuals C) Total eradication of the entire fish stock D) Use of antibiotics
A) Pale gills B) Excessive mucus production C) Swollen fins D) Dark patches on the skin
A) They contain DNA B) They are not part of the immune system C) They have a different cell membrane D) They are larger
A) Refusing to move at all B) Aggressive swimming C) Hiding at the bottom of the tank D) Gulping for air near the water surface
A) Selective breeding for size B) Adding iodine to the water C) Increased water temperature D) Developing a vaccine
A) Constant movement of the fish B) Natural predation on weakened individuals C) Low fish population density D) The high salt content of the ocean
A) The use of artificial feed B) Lack of sunlight C) Cold water temperatures D) Crowded net pens
A) Wild pink salmon B) Atlantic salmon C) Arctic char D) Rainbow trout
A) Herbal supplements B) Natural oils C) Antibiotics and pesticides D) Probiotics
A) Migratory behavior B) High biodiversity C) Low parasite resistance D) Uniform body size
A) Crustaceans B) Nematodes C) Myxosporidia D) Platyhelminthes
A) Nematodes B) Isopods C) Leeches D) Monogeneans
A) They only infect one host species B) They have several hosts C) They do not require a host to reproduce D) They are free-living in the ocean
A) About fifty B) About ten C) About five D) About thirty
A) Migration to different reefs B) Rapid multiplication C) Co-extinction D) Adaptation to new hosts
A) Caligus clemensi B) Pfiesteria piscicida C) Lepeophtheirus salmonis D) Henneguya salminicola
A) Organically polluted land runoff B) Increased salinity levels C) Cooler ocean temperatures D) Decreased fish population density
A) Adhesive mucus B) Neurotoxin C) Digestive enzymes D) A paralyzing pheromone
A) In the gills only B) On the external skin C) In the blood stream D) In the flesh
A) By walling off the infection into cysts B) By shedding the affected skin C) By producing antibodies to kill the parasite D) By increasing mucus production to flush out the parasite
A) A larger predatory fish B) Marine mammals C) An invertebrate D) A predatory bird
A) Chinook B) Pink C) Sockeye D) Coho
A) No, it is harmless to warm-blooded animals B) Yes, if the fish is consumed raw C) Yes, it is a dangerous zoonotic pathogen D) Yes, it can cause skin infections in humans
A) Exactly 50% B) Over 80% C) Approximately 25% D) Less than 10%
A) Myxosporean trout-fly B) Caligus rogercresseyi C) Henneguya salminicola D) Pfiesteria piscicida
A) Etroplus B) Labroides C) Mola D) Scomber
A) Etroplus maculatus B) Oreochromis niloticus C) Labroides dimidiatus D) Pterophyllum scalare
A) Less than 5 B) Exactly 10 C) More than 40 D) Over 100
A) Mangrove forests B) Drifting kelp fields C) Deep sea thermal vents D) Coral reefs
A) Furunculosis B) Lactococcosis C) Koi herpes virus D) Streptococcosis
A) Philometra fasciati B) Gyrodactylus salaris C) Paravortex D) Huffmanela ossicola
A) Within the gill bone B) In the swim bladder C) On the skin surface D) In the stomach
A) Paravortex B) Gnathiid isopod C) Didymozoid trematode D) Cymothoa exigua
A) Huffmanela ossicola B) Paravortex C) Philometra fasciati D) Monogeneans
A) Ammonia poisoning B) Lymphoid deficiency C) Granulocyte depletion D) T-cell stagnation
A) True lymphoid organs B) Macrophages C) Anterior kidneys D) Gut tissue
A) Leydig's organ B) Spiral valve C) Spleen D) Epigonal organ
A) The anterior kidney B) The spleen C) A mass associated with the meninges D) The heart
A) Neutrophils B) Erythrocytes C) Lymphocytes D) Granulocytes
A) Sturgeon B) Zebrafish C) Shark D) Hagfish
A) The thymus B) The meninges C) The kidney D) The heart
A) Spiral valve B) Leydig's organ C) Epigonal organs D) Anterior kidney
A) Tapeworm infection B) Whirling disease C) Roundworm disease D) Hemorrhagic septicemia
A) -20 °C B) 0 °C C) -5 °C D) -10 °C
A) 100% B) 75% C) 50% D) 25%
A) Diphyllobothrium B) Anisakis C) Myxobolus cerebralis D) Clonorchis sinensis
A) Clonorchis sinensis B) Anisakis C) Myxobolus cerebralis D) Diphyllobothrium
A) Clonorchis sinensis B) Viral hemorrhagic septicemia C) Anisakis D) Diphyllobothrium
A) Antarctica B) Southeast Asia C) Central Canada D) Western Australia
A) Washing with soap B) Boiling, burning, or freezing C) Soaking in fresh water D) Removing the skin only
A) A decline since 1980 B) A sharp increase since 1980 C) They have been completely eradicated D) No change since 1980 |
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