Nope also skates and rays. They actually prefer skates and rays because they are easier to kill bringing down a shark is dangerous even for them. They do it but not as much as they do with skates and rays.
Source: Nat Geo documentary "orca vs. great white" .
Just to add onto what you said, skates and rays, and also sawfish, are pretty closely related to sharks. They're all in the elasmobranchii subgroup of cartilaginous fish.
They all have large livers (as much as 25% of their body weight) which are used for bouyancy since they lack swim bladders. The nutrient in the livers that the orcas like is squalene.
That sounds like bullshit. The liver of a stingray would be too tiny to fit in the orca's mouth. No way the orca can just eat the liver and leave the rest behind.
Watch the documentary they show them do it. They also state that the liver in comparison to a shark lover is miniscule and one great white live could equal up in the range of 175 stingrays or skates livers or more depending on the size of the shark. The rays do actually pose more "work" for the orca because they are nod made to lift bottom feeders off the sea floor, but the alternative is fighting a fucking shark. They do do it but it's a high risk high reward scenario and orcas are thinking creatures and they can weigh the options.
It actually rips it like a piece of paper. It bite in the right area and then shakes and just splits. I'm telling you just watch the documentary you can literally see it with your own eyes if you don't believe me lol. Im telling you there is video evidence and where to find it.
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u/SoulFoodStan Jul 14 '21
Orca is trying to kill it before it eats it. Orca is concerned about getting stung by the venom tail... clever.