Flame Hawk or Longnose hawk

[SaltBabies]

This article could help you decide. Discusses special needs & maintenance of seahorse tank:
Keeping Seahorses in Aquaria #1 - Introduction and Setting Up Your Seahorse Tank
This article is the first in a 6-part series that is designed to help those of you who already have the knowledge and ability to keep marine life...
By vlangel, Apr 18, 2017 | 2.9K Views | Saltwater Fish

Thanks for the link. I currently have the 70 setup as a seahorse-pipefish tank. And I love them. That's why I was thinking about giving them the 125 then the 70 would be my hawk fish/other fish. Just torn with which should be which

 

[JAWS 32]

I have had my Flame hawk fish for 8 years and never had an issue with him with crabs/shrimp/snails or other fish. He has been with all sorts of small shrimp (sexy, juvenile cleaner/fire shrimp) and never bothered them at all. Granted all fish have their own individual personality, so it is kind of the luck of the draw. Good luck with your decision!