diff --git a/examples/EAGLE_ICs/EAGLE_100/eagle_100.yml b/examples/EAGLE_ICs/EAGLE_100/eagle_100.yml
index a60e3ff62b6f8c33ed60d9d04cd392654b23b63b..094f76f5d2045d8a5d7c9d26f74fc64bf8092480 100644
--- a/examples/EAGLE_ICs/EAGLE_100/eagle_100.yml
+++ b/examples/EAGLE_ICs/EAGLE_100/eagle_100.yml
@@ -68,6 +68,7 @@ FOF:
   basename:                        fof_output  # Filename for the FOF outputs.
   min_group_size:                  256         # The minimum no. of particles required for a group.
   linking_length_ratio:            0.2         # Linking length in units of the main inter-particle separation.
+  seed_black_holes_enabled:        1           # Enable seeding of black holes in FoF groups
   black_hole_seed_halo_mass_Msun:  1.0e10      # Minimal halo mass in which to seed a black hole (in solar masses).
   scale_factor_first:              0.05        # Scale-factor of first FoF black hole seeding calls.
   delta_time:                      1.00751     # Scale-factor ratio between consecutive FoF black hole seeding calls.
diff --git a/examples/EAGLE_ICs/EAGLE_12/eagle_12.yml b/examples/EAGLE_ICs/EAGLE_12/eagle_12.yml
index ee71b3acb6132c917ab1581f554c43ed0b9f7d9f..fdb3ed3d4b4dc6815124353bf538b9625700687b 100644
--- a/examples/EAGLE_ICs/EAGLE_12/eagle_12.yml
+++ b/examples/EAGLE_ICs/EAGLE_12/eagle_12.yml
@@ -68,6 +68,7 @@ FOF:
   basename:                        fof_output  # Filename for the FOF outputs.
   min_group_size:                  256         # The minimum no. of particles required for a group.
   linking_length_ratio:            0.2         # Linking length in units of the main inter-particle separation.
+  seed_black_holes_enabled:        1           # Enable seeding of black holes in FoF groups
   black_hole_seed_halo_mass_Msun:  1.0e10      # Minimal halo mass in which to seed a black hole (in solar masses).
   scale_factor_first:              0.05        # Scale-factor of first FoF black hole seeding calls.
   delta_time:                      1.00751     # Scale-factor ratio between consecutive FoF black hole seeding calls.
diff --git a/examples/EAGLE_ICs/EAGLE_25/eagle_25.yml b/examples/EAGLE_ICs/EAGLE_25/eagle_25.yml
index 7ddf078d36e1f7220a83b1266112de4e77a753c7..eaae1ef4f871c159e35e80a23f8e79ffa32990dc 100644
--- a/examples/EAGLE_ICs/EAGLE_25/eagle_25.yml
+++ b/examples/EAGLE_ICs/EAGLE_25/eagle_25.yml
@@ -68,6 +68,7 @@ FOF:
   basename:                        fof_output  # Filename for the FOF outputs.
   min_group_size:                  256         # The minimum no. of particles required for a group.
   linking_length_ratio:            0.2         # Linking length in units of the main inter-particle separation.
+  seed_black_holes_enabled:        1           # Enable seeding of black holes in FoF groups
   black_hole_seed_halo_mass_Msun:  1.0e10      # Minimal halo mass in which to seed a black hole (in solar masses).
   scale_factor_first:              0.05        # Scale-factor of first FoF black hole seeding calls.
   delta_time:                      1.00751     # Scale-factor ratio between consecutive FoF black hole seeding calls.
diff --git a/examples/EAGLE_ICs/EAGLE_50/eagle_50.yml b/examples/EAGLE_ICs/EAGLE_50/eagle_50.yml
index bf4c28dd96619f2e113f29b1e2c27c2e0cb49a19..ff5c3db47696e81ff9a8bb3e7313c2012873631a 100644
--- a/examples/EAGLE_ICs/EAGLE_50/eagle_50.yml
+++ b/examples/EAGLE_ICs/EAGLE_50/eagle_50.yml
@@ -68,6 +68,7 @@ FOF:
   basename:                        fof_output  # Filename for the FOF outputs.
   min_group_size:                  256         # The minimum no. of particles required for a group.
   linking_length_ratio:            0.2         # Linking length in units of the main inter-particle separation.
+  seed_black_holes_enabled:        1           # Enable seeding of black holes in FoF groups
   black_hole_seed_halo_mass_Msun:  1.0e10      # Minimal halo mass in which to seed a black hole (in solar masses).
   scale_factor_first:              0.05        # Scale-factor of first FoF black hole seeding calls.
   delta_time:                      1.00751     # Scale-factor ratio between consecutive FoF black hole seeding calls.
diff --git a/examples/EAGLE_ICs/EAGLE_50_low_res/eagle_50.yml b/examples/EAGLE_ICs/EAGLE_50_low_res/eagle_50.yml
index 2373e005d1e7c4208a0fdfc9891ff9c2a043790e..be06d1f9b28f035e92f4f2274a916b8ccd5840d8 100644
--- a/examples/EAGLE_ICs/EAGLE_50_low_res/eagle_50.yml
+++ b/examples/EAGLE_ICs/EAGLE_50_low_res/eagle_50.yml
@@ -68,6 +68,7 @@ FOF:
   basename:                        fof_output  # Filename for the FOF outputs.
   min_group_size:                  32         # The minimum no. of particles required for a group.
   linking_length_ratio:            0.2         # Linking length in units of the main inter-particle separation.
+  seed_black_holes_enabled:        1           # Enable seeding of black holes in FoF groups
   black_hole_seed_halo_mass_Msun:  1.0e10      # Minimal halo mass in which to seed a black hole (in solar masses).
   scale_factor_first:              0.05        # Scale-factor of first FoF black hole seeding calls.
   delta_time:                      1.00751     # Scale-factor ratio between consecutive FoF black hole seeding calls.
diff --git a/examples/EAGLE_ICs/EAGLE_6/eagle_6.yml b/examples/EAGLE_ICs/EAGLE_6/eagle_6.yml
index 0b11bd5585baca35d2a1b93bb7ca11b4e3a82c53..413e78ca3cd22ca7646de1e90d993776d2d419f9 100644
--- a/examples/EAGLE_ICs/EAGLE_6/eagle_6.yml
+++ b/examples/EAGLE_ICs/EAGLE_6/eagle_6.yml
@@ -68,6 +68,7 @@ FOF:
   basename:                        fof_output  # Filename for the FOF outputs.
   min_group_size:                  256         # The minimum no. of particles required for a group.
   linking_length_ratio:            0.2         # Linking length in units of the main inter-particle separation.
+  seed_black_holes_enabled:        1           # Enable seeding of black holes in FoF groups
   black_hole_seed_halo_mass_Msun:  1.0e10      # Minimal halo mass in which to seed a black hole (in solar masses).
   scale_factor_first:              0.05        # Scale-factor of first FoF black hole seeding calls.
   delta_time:                      1.00751     # Scale-factor ratio between consecutive FoF black hole seeding calls.
diff --git a/examples/EAGLE_low_z/EAGLE_12/eagle_12.yml b/examples/EAGLE_low_z/EAGLE_12/eagle_12.yml
index 1cc80ab7251296273034a23f0bfb4785d77ff180..e7967b30f4703b705ffb49466d01674c601e9e40 100644
--- a/examples/EAGLE_low_z/EAGLE_12/eagle_12.yml
+++ b/examples/EAGLE_low_z/EAGLE_12/eagle_12.yml
@@ -76,6 +76,7 @@ FOF:
   basename:                        fof_output  # Filename for the FOF outputs.
   min_group_size:                  256         # The minimum no. of particles required for a group.
   linking_length_ratio:            0.2         # Linking length in units of the main inter-particle separation.
+  seed_black_holes_enabled:        1           # Enable seeding of black holes in FoF groups
   black_hole_seed_halo_mass_Msun:  1.5e10      # Minimal halo mass in which to seed a black hole (in solar masses).
   scale_factor_first:              0.91        # Scale-factor of first FoF black hole seeding calls.
   delta_time:                      1.005       # Scale-factor ratio between consecutive FoF black hole seeding calls.
diff --git a/examples/EAGLE_low_z/EAGLE_25/eagle_25.yml b/examples/EAGLE_low_z/EAGLE_25/eagle_25.yml
index c11d1e4bde13769a57cef0d8feef861b1f762fa4..367113258c0f73a91ca44d92d676d98042b0fb39 100644
--- a/examples/EAGLE_low_z/EAGLE_25/eagle_25.yml
+++ b/examples/EAGLE_low_z/EAGLE_25/eagle_25.yml
@@ -84,6 +84,7 @@ FOF:
   basename:                        fof_output  # Filename for the FOF outputs.
   min_group_size:                  256         # The minimum no. of particles required for a group.
   linking_length_ratio:            0.2         # Linking length in units of the main inter-particle separation.
+  seed_black_holes_enabled:        1           # Enable seeding of black holes in FoF groups
   black_hole_seed_halo_mass_Msun:  1.5e10      # Minimal halo mass in which to seed a black hole (in solar masses).
   scale_factor_first:              0.91        # Scale-factor of first FoF black hole seeding calls.
   delta_time:                      1.005       # Scale-factor ratio between consecutive FoF black hole seeding calls.
diff --git a/examples/EAGLE_low_z/EAGLE_50/eagle_50.yml b/examples/EAGLE_low_z/EAGLE_50/eagle_50.yml
index 03243c303cc16d9bcde8b8f57ef8d09ce24ee08f..91952e4c9ea2fc4dfca95e3a3a10228c83abeb32 100644
--- a/examples/EAGLE_low_z/EAGLE_50/eagle_50.yml
+++ b/examples/EAGLE_low_z/EAGLE_50/eagle_50.yml
@@ -75,6 +75,7 @@ FOF:
   basename:                        fof_output  # Filename for the FOF outputs.
   min_group_size:                  256         # The minimum no. of particles required for a group.
   linking_length_ratio:            0.2         # Linking length in units of the main inter-particle separation.
+  seed_black_holes_enabled:        1           # Enable seeding of black holes in FoF groups
   black_hole_seed_halo_mass_Msun:  1.5e10      # Minimal halo mass in which to seed a black hole (in solar masses).
   scale_factor_first:              0.91        # Scale-factor of first FoF black hole seeding calls.
   delta_time:                      1.005       # Scale-factor ratio between consecutive FoF black hole seeding calls.
diff --git a/examples/EAGLE_low_z/EAGLE_6/eagle_6.yml b/examples/EAGLE_low_z/EAGLE_6/eagle_6.yml
index 254b92d6b377a77f9babe90a053520add0f24366..9905c814334797704772c3867e3c1fb87ad1d6f1 100644
--- a/examples/EAGLE_low_z/EAGLE_6/eagle_6.yml
+++ b/examples/EAGLE_low_z/EAGLE_6/eagle_6.yml
@@ -86,6 +86,7 @@ FOF:
   basename:                        fof_output  # Filename for the FOF outputs.
   min_group_size:                  256         # The minimum no. of particles required for a group.
   linking_length_ratio:            0.2         # Linking length in units of the main inter-particle separation.
+  seed_black_holes_enabled:        1           # Enable seeding of black holes in FoF groups
   black_hole_seed_halo_mass_Msun:  1.5e10      # Minimal halo mass in which to seed a black hole (in solar masses).
   scale_factor_first:              0.91        # Scale-factor of first FoF black hole seeding calls.
   delta_time:                      1.005       # Scale-factor ratio between consecutive FoF black hole seeding calls.