diff --git a/code/datums/components/fishing_spot.dm b/code/datums/components/fishing_spot.dm
index fb20588f8c5..414c17b6d15 100644
--- a/code/datums/components/fishing_spot.dm
+++ b/code/datums/components/fishing_spot.dm
@@ -84,6 +84,8 @@
 	if(denial_reason)
 		to_chat(user, span_warning(denial_reason))
 		return COMPONENT_NO_AFTERATTACK
+	// In case the fishing source has anything else to do before beginning to fish.
+	fish_source.on_start_fishing(rod, user, parent)
 	start_fishing_challenge(rod, user)
 	return COMPONENT_NO_AFTERATTACK
 
diff --git a/code/modules/fishing/sources/_fish_source.dm b/code/modules/fishing/sources/_fish_source.dm
index 887b8f3a2a3..eb681dc16cb 100644
--- a/code/modules/fishing/sources/_fish_source.dm
+++ b/code/modules/fishing/sources/_fish_source.dm
@@ -69,6 +69,10 @@ GLOBAL_LIST_INIT(specific_fish_icons, zebra_typecacheof(list(
 /datum/fish_source/proc/reason_we_cant_fish(obj/item/fishing_rod/rod, mob/fisherman, atom/parent)
 	return rod.reason_we_cant_fish(src)
 
+/// Called below above proc, in case the fishing source has anything to do that isn't denial
+/datum/fish_source/proc/on_start_fishing(obj/item/fishing_rod/rod, mob/fisherman, atom/parent)
+	return
+
 /**
  * Calculates the difficulty of the minigame:
  *
diff --git a/code/modules/fishing/sources/source_types.dm b/code/modules/fishing/sources/source_types.dm
index 23b34b962e8..9328f87be69 100644
--- a/code/modules/fishing/sources/source_types.dm
+++ b/code/modules/fishing/sources/source_types.dm
@@ -196,6 +196,13 @@
 
 	fishing_difficulty = FISHING_DEFAULT_DIFFICULTY + 5
 
+/datum/fish_source/chasm/on_start_fishing(obj/item/fishing_rod/rod, mob/fisherman, atom/parent)
+	. = ..()
+	if(istype(rod.hook, /obj/item/fishing_hook/rescue))
+		to_chat(fisherman, span_notice("The rescue hook falls straight down the chasm! Hopefully it catches a corpse."))
+		return
+	to_chat(fisherman, span_danger("Your fishing hook makes a soft 'thud' noise as it gets stuck on the wall of the chasm. It doesn't look like it's going to catch much of anything, except maybe some detritus."))
+
 /datum/fish_source/chasm/roll_reward(obj/item/fishing_rod/rod, mob/fisherman)
 	var/rolled_reward = ..()
 
@@ -204,6 +211,8 @@
 
 	return rod.hook.chasm_detritus_type
 
+/datum/fish_source/chasm
+
 /datum/fish_source/lavaland
 	catalog_description = "Lava vents"
 	background = "background_lavaland"