The strongest bites in the animal kingdom

[Pckts]

(04-28-2022, 01:22 PM)LonePredator Wrote:

(06-27-2017, 01:12 AM)Pckts Wrote: Jaguar's jaw muscles used to generate power a long with their skulls are much smaller which means they aren't able to generate the same power as the big boys, but they do have the highest lb for lb bite force of any big cat.

"Relative to weight, it’s the jaguar. Recent research by Adam Hartstone-Rose and colleagues at the University of South Carolina, who compared the bite forces of nine different cat species, reveals that jaguars have three-quarters the bite force of tigers.
However, given that jaguars are considerably smaller (the body mass of the individual in the study was only half that of the tiger), relatively speaking their bite is stronger.
“If you had to choose, you’d want to be bitten by a jaguar, not a lion or a tiger. But pound for pound, jaguars pack a stronger punch,” says Adam. “The strength of the jaguar’s bite is due to the arrangement of its jaw muscles, which, relative to weight, are slightly stronger than those of other cats. In addition – also relative to weight – its jaws are slightly shorter, which increases the leverage for biting.”
http://onlinelibrary.wiley.com/doi/10.10...22518/full

This is just theory though. When you look at it from a practical perspective, things are very different.

For example, as you said that Jaguars have stronger bites in relation to weight. Jaguar was half the weight but had 3/4th the bite force so that gives the Jaguar a stronger bite for its weight. And you are right. You are totally correct about what you said.

BUT IF you isometrically scale a Jaguar to the size of a Tiger or if you isometrically scale a Tiger to the size of a Jaguar then the Tiger would still have a much stronger bite.

This is because when you scale a Jaguar to the size of a Tiger, it’s volume will increase cubically and since volume is directly proportional to mass, it’s mass would also increase cubically. However, the cross sectional area of the Jaguar‘s muscles would only increase squarely and that is what determines its strength.

Since the mass will increase by an exponent of 3 but the cross sectional area of its muscles will only be increased by an exponent of 2, I make an estimate that the Tiger would still have an 11% stronger bite than the Jaguar.

The size difference 2/1 = 2. Force produced would be directly proportional to the cross sectional area of the muscles plus the types and the concentration of muscle fibers but since we know nothing about the difference of that in Tigers and Jaguars, we’ll assume the fiber types and their concentration is the same in both Jagurs and Tigers.

Now, 4/3= 1.3333 and when it is squared, that will give you 1.333^2 = 1.7777

1.777/2=0.88. Which means even at same mass, the Jaguar would still have only 88% of the bite force of a Tiger.

At equal weights, the Tiger would have a 12% stronger bite than the Jaguar.

I don’t necessarily agree or disagree. Generally speaking a Jag is going to have a higher scoring skull than a Tiger at similar weights but obviously a Tiger at 110kg is either a young male, female or a small sub species. 
I’ll have to take a look at what skulls I can find to compare and see what they show. Aside from that, the formation of the skulls will also make a difference. Reply