NPCs composing that spawngroup :

a_coldspine_sea_horse (20%)

a_servant_swordfish (20%)

a_siren_enticer (20%)

a_siren_seductress (20%)

a_watery_servant (20%)

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

sirens_5, range=15 (-390,-583,-174)

sirens_6, range=80 (-404,-677,-177)

sirens_19, range=56 (-390,-541,-142)

sirens_88, range=17 (-379,-597,-171)

a_neriad_maiden (50%)
a_swordfish (50%)

a_coldspine_sea_hors_190195, range=0 (-396,-597,-173)

a_coldspine_seahorse (50%)
a_swordfish (50%)

sirens_223877_takp_import_v0, range=16 (-389,-582,-175)

sirens_223860_takp_import_v0, range=18 (-378,-596,-171)

sirens_223855_takp_import_v0, range=79 (-403,-676,-177)