Trench Fish is a Legends of Idleon monster: 11 drops.

Trench Fish | Idleon Toolbox

Trench_Fish

Increases Base Damage Dealt to all monsters by 400. Golden foods are never consumed.

Golden_Nomwich

Increases Move Spd by 10%. 1% chance to be consumed every 10 meters walked. Must be equipped in a Food Slot to give its bonus.

Small_Speed_Potion

Hold down on this item to turn 10 Fragments into 1 Talent Point Reset Potion. You'll need 1 open inventory space for this to work.

Talent_Point_Reset_Fragment

Hold down to add a Silver Pen to your Post-Office! You can use it to skip a Delivery!

Silver_Pen

Book_Stamp

High_IQ_Lumber_Stamp

Drag onto any Armor to apply. Success Chance; 100% Uses up 1 slots only if Successful

Armor_Upgrade_Stone_I

Drag onto any Tool to apply. Success Chance; 100% Uses up 1 slots only if Successful

Tool_Upgrade_Stone_I

Drag onto any Equip to apply. Success Chance; 100% Uses up 1 slots only if Successful. WARNING:Mystery Stat has a chance to be Negative, and reduce stats!

	Name	Qty	Rate	Chance
Rare Drop table rolls 1 in 100,000,000DropTable4
	Small Speed Potion	5	1 in 500,000,000	0.0000002%
	Armor Upgrade Stone I		1 in 3,330,000,000	0.00000003%
	Tool Upgrade Stone I		1 in 3,330,000,000	0.00000003%
	High IQ Lumber Stamp		1 in 111,000,000,000	0.0000000009%
	Book Stamp		1 in 667,000,000,000	0.00000000015%
Mega-Rare table rolls 1 in 16,700,000,000SuperDropTable1
	Mystery Upgrade Stone I	2	1 in 19,600,000,000	0.0000000051%
	Golden Nomwich		1 in 33,300,000,000	0.000000003%
	Special Talent BookRoll Da Dice Lv 100		1 in 167,000,000,000	0.0000000006%
	Talent Point Reset Fragment		1 in 167,000,000,000	0.0000000006%
	Special Talent BookAttacks On Simmer Lv 50		1 in 167,000,000,000	0.0000000006%
	Silver Pen		1 in 238,000,000,000	0.00000000042%
	Lucky Lad		1 in 55,600,000,000,000	0.0000000000018%

Wiki

Trench Fish

Drops