diff --git a/README.md b/README.md
index ca6cea3..4b77819 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,6 @@
 A few water critters ported from other mob frameworks to "Mobs-Redo".
 
+Depends on Mobs Redo API - https://notabug.org/TenPlus1/mobs_redo
+
 License information for the models and textures can be found inside
 the respective folders.
diff --git a/mobs_crocs/init.lua b/mobs_crocs/init.lua
index d6ce5f6..e7ec222 100644
--- a/mobs_crocs/init.lua
+++ b/mobs_crocs/init.lua
@@ -54,7 +54,11 @@ if mobs.mod and mobs.mod == "redo" then
 			water_damage = 0,
 			lava_damage = 10,
 			light_damage = 0,
-			animation = l_anims
+			animation = l_anims,
+			drops = {
+				{name = "mobs:meat_raw", chance = 1, min = 1, max = 3},
+				{name = "mobs:leather", chance = 1, min = 0, max = 2},
+			},
 		})
 		--name, nodes, neighbours, minlight, maxlight, interval, chance, active_object_count, min_height, max_height
 		mobs:spawn_specific("mobs_crocs:crocodile",
@@ -87,7 +91,11 @@ if mobs.mod and mobs.mod == "redo" then
 			water_damage = 0,
 			lava_damage = 10,
 			light_damage = 0,
-			animation = l_anims
+			animation = l_anims,
+			drops = {
+				{name = "mobs:meat_raw", chance = 1, min = 1, max = 3},
+				{name = "mobs:leather", chance = 1, min = 0, max = 2},
+			},
 		})
 		--name, nodes, neighbours, minlight, maxlight, interval, chance, active_object_count, min_height, max_height
 		mobs:spawn_specific("mobs_crocs:crocodile_float",
@@ -122,7 +130,11 @@ if mobs.mod and mobs.mod == "redo" then
 			water_damage = 0,
 			lava_damage = 10,
 			light_damage = 0,
-			animation = l_anims
+			animation = l_anims,
+			drops = {
+				{name = "mobs:meat_raw", chance = 1, min = 1, max = 3},
+				{name = "mobs:leather", chance = 1, min = 0, max = 2},
+			},
 		})
 		--name, nodes, neighbours, minlight, maxlight, interval, chance, active_object_count, min_height, max_height
 		mobs:spawn_specific("mobs_crocs:crocodile_swim",
diff --git a/mobs_fish/init.lua b/mobs_fish/init.lua
index e48ad45..d5fa1eb 100644
--- a/mobs_fish/init.lua
+++ b/mobs_fish/init.lua
@@ -9,7 +9,7 @@ local SPRITE_VERSION = false	-- set to true to use upright sprites instead of me
 	local l_spawn_chance	= 10000
 	local l_cc_hand			= 25
 	local l_cc_net			= 80
-	local l_water_level		= minetest.setting_get("water_level") - 1
+	local l_water_level		= minetest.settings:get("water_level") - 1
 	local l_anims = {
 		speed_normal = 24,		speed_run = 24,
 		stand_start = 1,		stand_end = 80,
@@ -19,7 +19,7 @@ local SPRITE_VERSION = false	-- set to true to use upright sprites instead of me
 	local l_visual = "mesh"
 	local l_visual_size = {x=.75, y=.75}
 	local l_clown_mesh = "animal_clownfish.b3d"
-	local l_trop_mesh = "fish_blue_white.b3d"	
+	local l_trop_mesh = "fish_blue_white.b3d"
 	local l_clown_textures = {
 		{"clownfish.png"},
 		{"clownfish2.png"}
@@ -34,7 +34,7 @@ local SPRITE_VERSION = false	-- set to true to use upright sprites instead of me
 		l_visual = "upright_sprite"
 		l_visual_size = {x=.5, y=.5}
 		l_clown_mesh = nil
-		l_trop_mesh = nil		
+		l_trop_mesh = nil
 		l_clown_textures = {{"animal_clownfish_clownfish_item.png"}}
 		l_trop_textures = {{"animal_fish_blue_white_fish_blue_white_item.png"}}
 	end
diff --git a/mobs_sharks/init.lua b/mobs_sharks/init.lua
index 9e3ade0..37686f8 100644
--- a/mobs_sharks/init.lua
+++ b/mobs_sharks/init.lua
@@ -63,22 +63,11 @@ if mobs.mod and mobs.mod == "redo" then
 			lava_damage = 10,
 			light_damage = 0,
 			animation = l_anims,
-			do_custom = function(self)
-				if HELP_WITH_EXPERIMENT then
-					local p = self.object:getpos()
-					local a = self.object:getvelocity()
-					if p.y > 0 and a.y > 0 then
-						a.y = -1
-					else
-						local r = math.random(100)
-						if r >= 1 and r <=25 then a.y = 0.25
-						elseif r > 25 and r <= 50 then a.y = 0
-						elseif r > 50 and r <= 75 then a.y = -0.25
-						end
-					end
-					self.object:setvelocity(a)
-				end
-			end
+			jump = false,
+			stepheight = 0.1,
+			drops = {
+				{name = "mobs:meat_raw", chance = 1, min = 1, max = 3},
+			},
 		})
 		--name, nodes, neighbours, minlight, maxlight, interval, chance, active_object_count, min_height, max_height
 		mobs:spawn_specific("mobs_sharks:shark_lg", l_spawn_in, l_spawn_near, -1, 20, 30, l_spawn_chance, 1, -31000, 0)
@@ -111,7 +100,12 @@ if mobs.mod and mobs.mod == "redo" then
 			water_damage = 0,
 			lava_damage = 10,
 			light_damage = 0,
-			animation = l_anims
+			animation = l_anims,
+			jump = false,
+			stepheight = 0.1,
+			drops = {
+				{name = "mobs:meat_raw", chance = 1, min = 1, max = 3},
+			},
 		})
 		--name, nodes, neighbours, minlight, maxlight, interval, chance, active_object_count, min_height, max_height
 		mobs:spawn_specific("mobs_sharks:shark_md", l_spawn_in, l_spawn_near, -1, 20, 30, l_spawn_chance, 1, -31000, 0)
@@ -144,7 +138,12 @@ if mobs.mod and mobs.mod == "redo" then
 			water_damage = 0,
 			lava_damage = 10,
 			light_damage = 0,
-			animation = l_anims
+			animation = l_anims,
+			jump = false,
+			stepheight = 0.1,
+			drops = {
+				{name = "mobs:meat_raw", chance = 1, min = 1, max = 3},
+			},
 		})
 		--name, nodes, neighbours, minlight, maxlight, interval, chance, active_object_count, min_height, max_height
 		mobs:spawn_specific("mobs_sharks:shark_sm", l_spawn_in, l_spawn_near, -1, 20, 30, l_spawn_chance, 1, -31000, 0)
diff --git a/mobs_turtles/init.lua b/mobs_turtles/init.lua
index a24028c..14f6587 100644
--- a/mobs_turtles/init.lua
+++ b/mobs_turtles/init.lua
@@ -48,6 +48,9 @@ if mobs.mod and mobs.mod == "redo" then
 		light_damage = 0,
 		fall_damage = 1,
 		animation = l_anims,
+		drops = {
+			{name = "mobs:meat_raw", chance = 1, min = 1, max = 3},
+		},
 		follow = "farming:carrot",
 		on_rightclick = function(self, clicker)
 			self.state = ""
@@ -94,6 +97,9 @@ if mobs.mod and mobs.mod == "redo" then
 		light_damage = 0,
 		fall_damage = 0,
 		animation = l_anims,
+		drops = {
+			{name = "mobs:meat_raw", chance = 1, min = 1, max = 3},
+		},
 		on_rightclick = function(self, clicker)
 			mobs:capture_mob(self, clicker, 0, 0, 80, true, nil)
 		end