NPCs composing that spawngroup :

a_coldspine_seahorse (25%)

a_coldspine_seahorse (25%)

a_swordfish (25%)

a_swordfish (25%)

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

sirens_13, range=98 (-817,-232,-72)

sirens_62, range=98 (-749,-260,-42)

an_enthralled_bulthar (50%)
an_enthralled_molkor (50%)

sirens_64, range=56 (-694,-147,-149)

sirens_67, range=94 (-827,-214,-72)

an_enthralled_bulthar (50%)
an_enthralled_molkor (50%)

sirens_83, range=50 (-749,-112,-177)

sirens_86, range=90 (-821,-109,-177)

sirens_93, range=50 (-799,-167,-153)

an_enthralled_bulthar (80%)

sirens_94, range=96 (-722,-69,-177)

sirens_117, range=84 (-832,-167,-153)

sirens_118, range=24 (-724,-165,-153)

an_enthralled_bulthar (50%)
an_enthralled_bulthar (50%)

sirens_223847_takp_import_v0, range=97 (-748,-259,-42)

sirens_an_enthralled_bulthar6_takp_import_v0, range=82 (-830,-167,-153)

an_enthralled_bulthar (100%)

sirens_223833_takp_import_v0, range=1 (-747,-161,-179)

sirens_223838_takp_import_v0, range=51 (-748,-111,-178)

an_enthralled_molkor (50%)
a_watery_servant (50%)

sirens_223848_takp_import_v0, range=90 (-820,-108,-177)

an_icy_servant (50%)
a_servant_swordfish (50%)

sirens_223868_takp_import_v0, range=97 (-721,-68,-178)

sirens_223843_takp_import_v0, range=57 (-693,-146,-149)

an_enthralled_molkor (50%)
an_enthralled_ulthork (50%)

sirens_an_enthralled_ulthork16_takp_import_v0, range=25 (-723,-164,-153)

an_enthralled_ulthork (100%)

sirens_223837_takp_import_v0, range=63 (-685,-166,-153)

an_enthralled_bulthar (80%)