NPCs composing that spawngroup :

a_squallsurge_seahorse (100%)

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

kedge_41, range=58 (-92,-6,96)

kedge_39, range=58 (-118,-103,-48)

kedge_38, range=86 (-219,-34,11)

a_cauldron_hammerhead (80%)
a_ferocious_hammerhead (20%)

kedge_37, range=42 (-174,-33,17)

a_soothebrine_seahorse (50%)
a_spinereef_seahorse (50%)

kedge_32, range=45 (-118,-89,-49)

a_cobalt_sailfin (100%)

kedge_21, range=88 (-64,-101,-26)

a_crimson_sailfin (100%)

kedge_10, range=42 (-121,-6,101)

a_stingtooth_piranha (100%)

kedge_3, range=47 (-178,-32,95)

kedge_50, range=43 (-167,-19,95)

a_stiletto_fang_piranha (50%)
a_stiletto_tooth_piranha (50%)

kedge_51, range=44 (-176,-34,118)

a_stiletto_tooth_piranha (50%)
a_stiletto_tooth_piranha (50%)

kedge_54, range=32 (-101,-51,-49)

an_emerald_sailfin (100%)

kedge_65, range=67 (-164,-106,8)

kedge_64, range=44 (-177,-50,90)

an_emerald_sailfin (50%)
a_cerulean_sailfin (50%)

kedge_61, range=10 (-131,-37,99)

a_cobalt_sailfin (50%)
a_crimson_sailfin (50%)

kedge_73, range=57 (-76,-47,15)

a_cerulean_sailfin (50%)
a_squallsurge_seahorse (50%)

kedge_54825, range=89 (-222,-33,5)