The Discovery Channel's 2020 edition of Shark Week did start yesterday, so this topic is topical.
I missed this topic last year. My layout is a mess, so here are some of my file pictures of my Sharks.
Lionel's scale PRR BF15 AA (Baldwin DR 4-4-14/Freight Shark).
Weaver's scale PRR BP20 AB (Baldwin DR 6-4-20/Passenger Shark)
Comparing the Lionel with the Weaver