I sea rocket
(sorry)
Elder Guardian Eye in action
It detects any entity in front of it, even items! Right click to turn it off.
Conduit
Now you have limitless border designs!
Coral Reef
With the new corals!
Bedrolls in 17 colors!
Nautiluses
In a vent lit up with jelly torches!
Thrasher Firing Sonar
The thrasher fires sonar waves at possible targets to find its prey.
Corals
All the new corals the mod adds, dead variants aren't pictured
Pickerelweed
With several varieties of pike swimming amongst it
Prismarine Coral Showers
Sorry about the darkness, its so you can see the particles :)