3 ms·
Most fish (non domesticated) I've seen, tend to find places to hide while sleeping. Rocks, crevasses, in plants. Are cattle doing cardio because they're stand
by b112 3y ago
Most fish (non domesticated) I've seen, tend to find places to hide while sleeping. Rocks, crevasses, in plants.
Are cattle doing cardio because they're standing while sleeping?
I see what you're saying, but fish don't have to do a lot to station keep.
- pvaldes 3y agowell said, Catostomus are carps that remain still in the bottom a lot of time. They are not big swimmers. Their main concern is to suck a rock with enough force to stand their ground against currents. Remaining in waters with a lot of oxygen, that just travel straight to your gills, is like a holiday for the heart.