NPCs composing that spawngroup :

a_swordfish (50%)

a_swordfish (50%)

NPCs spawning around that spawngroup :
(Max range : 200)

sirens_3, range=130 (-773,-617,-155)

a_coldspine_seahorse (50%)
a_neriad_maiden (50%)

sirens_4, range=192 (-713,-646,-155)

sirens_15, range=88 (-865,-604,-175)

sirens_16, range=33 (-888,-508,-176)

sirens_78, range=81 (-887,-591,-179)

sirens_83, range=191 (-714,-387,-120)

sirens_85, range=150 (-728,-597,-78)

a_siren_enchantress (50%)
a_siren_enticer (50%)

sirens_90, range=96 (-865,-420,-181)

sirens_107, range=129 (-874,-388,-154)

an_enthralled_bulthar (50%)
an_enthralled_molkor (50%)

sirens_an_enthralled_bulthar6_takp_import_v0, range=139 (-873,-378,-154)

an_enthralled_bulthar (100%)

sirens_a_coldspine_sea_horse14_takp_import_v0, range=192 (-713,-386,-120)

a_coldspine_sea_horse (100%)

sirens_223839_takp_import_v0, range=87 (-864,-603,-175)

an_enthralled_molkor (50%)
a_servant_swordfish (50%)

sirens_223840_takp_import_v0, range=80 (-886,-590,-180)

sirens_223856_takp_import_v0, range=33 (-887,-507,-176)

sirens_223863_takp_import_v0, range=101 (-890,-421,-179)

sirens_223845_takp_import_v0, range=97 (-864,-419,-182)