The Evolutionary Design of Fish Bodies

How far can flying fish glide using their wing-like fins?

• Up to 100 meters

• Up to 200 meters

• Up to 50 meters

• Up to 300 meters

What speed can a hunting sailfish reach?

• 60 kilometers per hour

• 110 kilometers per hour

• 85 kilometers per hour

• 130 kilometers per hour

What percentage of fish species use body and caudal fin driven motion?

• About 75%

• About 85%

• About 95%

• About 65%

Which fish is known for using its entire body to generate a wave-like motion?

• Mackerel

• Salmon

• Tuna

• Eel

Which fish uses its tail attached by tendons to muscles for propulsion?

• Salmon

• Tuna

• Mackerel

• Eel

What type of motion do bottom-dwelling fishes like rays rely on?

• Body and caudal fin driven motion

• Median and paired fin motion

• Tail propulsion

• Body undulation

What allows rays to swiftly lift off the sea floor?

• Their huge pectoral fins

• Their body mass

• Their dorsal fins

• Their caudal fins

How do ocean sunfish move around?

• By using their pectoral fins

• By undulating their bodies

• By beating their wing-like median fins

• By flapping their tails

What unique feature do seahorses use for movement?

• Their body undulation

• Their pectoral fins for propulsion

• Their flexible dorsal fins as makeshift tails

• Their tails as makeshift fins

What evolutionary advantage does fish motion provide?

• Better camouflage

• Increased survival

• Improved digestion

• Enhanced vision