Erroneous
Xenogenic
Plutocrats
Love
Ornate
Retrograde
Artifice,
Transposing
Intentionally
Obsolete
Narcicism

Not
All
Regents'
Concerns
Include
Civilians;
I am
Simply
Magnanimous

Malicious
Anchovies
Gather
Near
Amsterdam,
Never
Indicating
Motives,
Only
Undermining
Scheveningen

Seaside
Church
Having
European
Village
Enjoys
Nonstop
Interesting
National
Galas
Even
Now

Never
Obfuscate
Wisdom

When
In
Singapore
Don't
Offer
Mustard

Meningitis
Uncouples
Strong
Teenagers
And
Reaps
Dissentry

Dissentry:

Data
Inconsistencies
Shock
Scientists
Examining
Nearby
Tropical
Region
Yellowtails

Dysentery:

Disappearing
Yellowtail
Scads
Effectively
Nullified
Trials
Examining
Nearby
Yellowtails


(( For those who are interested, the Yellowtail on sushi menus refers to the Japanese Amberjack, which is a different fish than the Yellowtail Scad. Yellowtails refer to a broad group of fish with, well, yellow tails))

I remember playing this game ages ago.  

You 
Ever 
Lose
Large
Objects
When
Tritons 
Attack?
It's 
Loss
Stings

Not a very large word at the end but still took me a while to come up with a fish theme  

Starting

To

Investigate

Necromantic

Gnome

Sightings