What shape fish is this?
Laterally compressed
What does every fish have?
Scales, gills, skeleton
What gives a fish the ability to float?
Buoyancy
What is the first stage of a fish's development?
the egg stage
What is a group of fish swimming together called?
schools
What shape is this fish?
eel-shaped
What is the main characteristic of a jawed fish?
Movable jaws that are armed with well-developed teeth.
What is a defense mechanism that enables the fish to blend in with it's environment?
camouflage
The stage after hatching when the fish is dependent on a yolk sac for food.
Larval stage
What is density?
The amount of matter in an object
What are the main characteristics of a fusiform fish?
a streamlined, torpedo-shaped body
Where are the pectoral fins located?
on each side of the fish, behind the head
What is counter-shading?
a defense mechanism that makes a fish light on the bottom and darker on the top of it's body
What is the final stage of a fish's development when it is fully formed & grown?
Adult stage
What is the ability to see out of each eye separately called?
Monocular Vision
What are 3 characteristics of a depressed-shape fish?
flattened low-profile body, mouth often on the topside of body, flap-fins, eyes & mouth often on one side of body
What is the caudal fin also known as?
the tail
What does the swim bladder do?
allows the fish to be more buoyant and not sink
What is the third stage of a fish's development?
Postlarval stage
What is a lateral line?
a line of sensitive pores that run along the side of the fish's body
What are 3 characteristics of a compressed-shape fish?
laterally flattened bodies, quick bursts of speed, live in reefs, rounded tails, often live among plants
What is an Osteichthyes?
a bony fish
What is Aposematism?
a defense mechanism that advertises the fish could be dangerous to eat
What stage is a fish in when it can finally swim against the current?
Juvenile stage
What is barotrauma?
when a fish experiences a rapid change of pressure causing its eyes & organs to expand