External Anatomy
Filtrations
Disease in Fish
Field Guide Entries
Internal Anatomy
100
What hard, bony plate covers and protects a fish's gills while helping move water over them for breathing?
What is the operculum?
100
What is this filtration system? Which tank use it?
What is hang-on back filter? What is goldfish tank?
100
What type of pathogen causes fin and tail rot in fish?
What is bacteria?
100
Which clam is this?
Softshell Clam
100
What internal organ extracts oxygen from water and removes carbon dioxide?
What are the gills?
200
What sensory structure runs along the side of a fish and helps it detect vibrations and movement in the water?
What is the lateral line?
200
What is this filter?
What is chemical filter?
200
What protozoan disease is commonly recognized by the appearance of white spots on fish?
What is Ich?
200
Which fish is this?
Mahi-Mahi Dolphin Fish
200
What organ pumps blood through a fish's body and contains only two chambers?
What is the heart?
300
Which fin is sharp and stiff, located on the top of the fish, and helps with both balance and defense from predators?
What is the spiny dorsal fin?
300
What is this filtration system? What tank uses this?
What is a canister filter? What is turtle tank?
300
What is the first and most important step in disease management that focuses on stopping diseases before they occur?
What is prevention?
300
Which fish is this?
Albacore Tuna
300
Which organ helps a fish control its buoyancy so it can float without constantly swimming?
What is the swim bladder?
400
What body part is the narrow area just before the tail that contains powerful swimming muscles and transfers energy to the caudal fin?
What is the peduncle?
400
What is this filter? 
What is biological filter?
400
Name two environmental stressors that should be monitored because sudden changes can increase disease risk in fish.
What are pH swings and temperature swings?
(Also acceptable: overcrowding or the presence of organic debris/hydrogen sulfide.)
400
Which fish is this?
Atlantic Sturgeon
400
This organ detoxifies chemicals, stores nutrients, and produces bile to aid digestion.
What is the liver?
500
A fish needs to make a sudden turn and quickly slow down while swimming. Which fins are primarily responsible for these actions?
What are the pectoral fins?
500
What type of filtration system is this? Which tank uses this?
What is Sump? What is L.I.S tank?
500
Which vaccination method requires fish to be anesthetized and is considered the most labor-intensive form of immunization?
What is injection vaccination?
500
Is this a Summer Flounder or Winter Flounder?
Winter Flounder
500
A fish is having trouble regulating water balance and removing waste from its bloodstream. Which internal organ is most likely not functioning properly?
What are the kidneys?