More Fish Flashcards
1
Q
Pectoral (rudder) fin action/ function
A
-Yaw and Pitch
- Breaks by drag
2
Q
Pelvic fin action/ function
A
Pitch
3
Q
Dorsal and Anal fin action/ function
A
Roll
4
Q
What do ribs surround in fish?
A
Coelomic cavity
5
Q
What are the bones called that extend beyond the ribs and Coelomic cavity?
A
Spines
6
Q
Gas bladder body volume in fresh and marine fish
A
Fresh: 7%
Marine: 5% (marine water is more dense)
7
Q
These fish have a tube from the mouth, to the gut to fill the gas bladder
A
Physostomous
8
Q
These fish have no outside connection to the gas bladder
A
Physoclistous
9
Q
How do Physoclistous fish fill their gas bladder
A
Diffusion of oxygen from the bloodstream
