NPCs composing that spawngroup :

a_siren_enticer (33%)

a_siren_seductress (33%)

a_watery_servant (34%)

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

sirens_13, range=164 (24,-225,-23)

an_enthralled_bulthar (50%)
an_enthralled_bulthar (50%)

sirens_15, range=196 (-225,-30,-108)

sirens_18, range=180 (-250,-64,-88)

sirens_23, range=54 (-127,-154,3)

sirens_28, range=112 (-35,-168,-125)

sirens_38, range=185 (28,-129,-135)

a_siren_beguiler (100%)

sirens_44, range=131 (-63,-100,3)

sirens_64, range=176 (29,-257,-28)

sirens_68, range=192 (-331,-187,-169)

a_neriad_mistress (50%)
a_swordfish (50%)

sirens_70, range=155 (-54,-78,-133)

sirens_72, range=198 (-51,-30,-133)

sirens_74, range=190 (-27,-54,-157)

sirens_77, range=64 (-78,-226,-168)

sirens_127, range=111 (-49,-143,-117)

sirens_133, range=164 (-57,-65,-100)

sirens_134, range=180 (-63,-44,-100)

sirens_135, range=140 (-63,-90,-104)

sirens_136, range=118 (-58,-121,-110)

sirens_137, range=150 (7,-175,-135)

a_coldspine_sea_hors_190198, range=40 (-169,-179,-166)

a_coldspine_seahorse (100%)

a_coldspine_sea_hors_190200, range=65 (-77,-225,-161)

a_coldspine_seahorse (50%)
a_swordfish (50%)

sirens_112965, range=101 (-215,-139,3)

Wygrish (100%)

sirens_223847_takp_import_v0, range=199 (-50,-29,-133)

sirens_an_enthralled_bulthar6_takp_import_v0, range=190 (-263,-62,-88)

an_enthralled_bulthar (100%)

sirens_a_coldspine_sea_horse14_takp_import_v0, range=196 (-224,-29,-108)

a_coldspine_sea_horse (100%)

sirens_223869_takp_import_v0, range=181 (-62,-43,-100)

sirens_a_siren_enticer8_takp_import_v0, range=165 (-56,-64,-100)

a_siren_enticer (100%)

sirens_223843_takp_import_v0, range=175 (29,-256,-28)

an_enthralled_molkor (50%)
an_enthralled_ulthork (50%)

sirens_223849_takp_import_v0, range=29 (-114,-193,-170)

sirens_223846_takp_import_v0, range=65 (-77,-225,-172)

sirens_223870_takp_import_v0, range=170 (-310,-213,-170)

sirens_223862_takp_import_v0, range=191 (-330,-186,-169)

sirens_a_servant_sea_elephant109_takp_import_v0, range=180 (-249,-63,-88)

a_servant_sea_elephant (100%)