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It was a bit gruesome to watch the climax... I thought it was finally over, but once in the stomach you could see the fish kicking much to the discomfort (it appeared) to the bird!
We didn't hang around for longer. I wonder if that was the end for the fish or if the heron its meal??
Still, wouldn’t the sculpin stand a of escaping or even damaging (thrashing, sharp fins, biting, etc.) the bird's insides if eaten like that?? I thin the
elastic/stretchy insides could work against itself, giving the fish a chance to turn around? Thanks!
a. Unusually high velocity of blood flowing through the gills due to the pressure required by having only one ventricle
b. Back-and-forth movement of water that maximizes oxygen uptake
c. Largest respiratory surface of all vertebrates
d. High degree of oxygen saturation in water
e. Blood flowing through the gills in the opposite direction of water flowing over the gills
A low blood pressure
B high reabsorption from collecting duct
C low water content in the body
D lowered osmotic pressure