Jeroen Verhoeff: Waterbug larvae, Poland 2008
Jeroen Verhoeff: Jeroen Verhoeff studying young pike in Serbia. 2009
Jeroen Verhoeff: Kelp, France, 2010
Jeroen Verhoeff: Dice snake breathing, Dobbelsteenslang ademhalend, Serbia 2010
Jeroen Verhoeff: Jungle stream debris, blad in oerwoudbeek, Costa Rica
Jeroen Verhoeff: Jungle stream algae, oerwoudbeek algen, Costa Rica.
Jeroen Verhoeff: Great ramshorn snail, Planorbarius corneus, posthoornslak, Poland
Jeroen Verhoeff: Water lilly flower half under water, waterlelie nder water, Poland
Jeroen Verhoeff: Dordogne weeds under water, Dordogne waterplanten, France 2010
Jeroen Verhoeff: Spiny starfish arm, ijszeester, Marthasterias glacialis, France 2010
Jeroen Verhoeff: Cattails under water, lisdoddes onder water, Poland
Jeroen Verhoeff: Me and young pike, ik en jong snoekje, Serbia 2009
Jeroen Verhoeff: Edible frog eggs, poelkikker dril, Poland
Jeroen Verhoeff: 070117 regen annecy 2006
Jeroen Verhoeff: Waterbug larvae, larve spinnende watertor, Serbia 2010
Jeroen Verhoeff: Waterplants Serbia, 2009
Jeroen Verhoeff: Poelslak, Serbia 2010
Jeroen Verhoeff: Water fleas (daphnia), waterluizen, Poland.
Jeroen Verhoeff: Under Water fall, onder een waterval, Costa Rica.
Jeroen Verhoeff: Large european eel, Germany 2009
Jeroen Verhoeff: Green frog, poelkikker, Poland 2007