NPCs composing that spawngroup :

a_swampwater_crocodile (100%)

NPCs spawning around that spawngroup :
(Max range : 100)

guktop_113, range=89 (1385,526,-82)

guktop_114, range=95 (1405,535,-80)

guktop_139, range=98 (1288,510,-82)

guktop_140, range=57 (1285,629,-81)

guktop_141, range=68 (1282,643,-82)

a_froglok_shin_warrior (50%)
a_froglok_shin_warrior (50%)

guktop_142, range=70 (1269,627,-81)