What caudal fin shape is used for long distance continuous swimming?
What is lunate
100
What does a fusiform body look like?
What is torpedo shaped
100
What are 2 functions of a fish school?
What is safety in numbers, swimming efficiency, ease in feeding or finding a mate
100
How can the age of a fish be determined?
What is by counting the annual rings on its scales.
200
What is the function of a fish's lateral line?
What is to sense changes in pressure and water movement.
200
What is the function of a gill raker?
What is to filter water of any large particles before it enters the gill filaments
200
What type of coloration is often displayed by open water (pelagic) fish?
What is countershading
200
A mass movement from one area to another is called ___
What is migration
200
What is an ocelus?
What is a false eye spot
300
What is a barbel and what is its function?
What is a sensory structure hanging from a fish's lower jaw which allows it to taste and feel along the substrate
300
What happens to a fish's respiration rate as the temperature increases and why?
What is respiration increases because its metabolism also increases while the amount of oxygen in the water decreases
300
What is the function of an iridophore (iridocyte)?
What is reflects light and makes the fish shiny
300
Aggressive behaviors like opening its mouth, rapid darting and raising its fins is often associated with what general behavior?
What is territoriality
300
Name a lobe-finned fish.
What is lungfish or coelacanth
400
Name a paired fin
What is pectoral or pelvic
400
Bands of muscles that contract for movement are called ______
What are myomeres
400
Stripes, bars, and spots that disguise a fish's outline demonstrate what type of coloration pattern?
warning coloration, cryptic coloration, disruptive coloration
What is disruptive
400
Name an example of an anadramous fish
What is salmon
400
Describe the process of broadcast spawning
What is female lays many small eggs which are fertilized externally by the male
500
Which fin(s) provides the main thrust for swimming for the majority of bony fish?
What is caudal fin.
500
What are lamellae?
What are plates that comprise the gill filaments and provide a great amount of surface area for the exchange of oxygen
500
Fish with beak-like mouths, such as the parrotfish, feed on _______________
What is corals
500
Define catadramous
What is lives in FW and migrates to SW to breed
500
The 2 most common types of scales found on bony fish are __________