While fishing Glacial Salmon on Herbskinner to help Qwaitxseven raise his cooking skill to 425, I came upon a pool that looked a little odd, and every attempt to cast into it resulted in ‘Water is too shallow’ or ‘Your cast didn’t end in fishable water’.
Once I moved the camera angle around, I was able [...]

Another quick fishing achievement which you can combine with the other when you are fishing the wreckage pool in Zangarmarsh.
Brackish Mixed School
Any of the rivers north of Stonebreaker Hold, Terrokar Forest (also found in Zangarmarsh)
School of Darter
Any of the rivers north of Stonebreaker Hold, Terrokar Forest
Mudfish School
Lake south of Sunspring [...]

This achievement was actually rather easy to obtain, but, required a bit of running around.
Steam Pump Flotsam
Coilfang Reservoir/Serpent Lake/Umbrafen Lake, Zangarmarsh
Schooner Wreckage
Windshear Crag, Stonetalon Mountains
Floating Wreckage
The Forgotten Coast, Feralas
Bloodsail Wreckage
Southern Savage Coast, Stranglethorn Vale
Waterlogged Wreckage
Ethel Rethor/Sar’theris Strand, Desolace
There are other locations that [...]