// /datum/asset/spritesheet/fish
// 	name = "fish"

// /datum/asset/spritesheet/fish/register()
// 	for (var/path in subtypesof(/datum/aquarium_behaviour/fish))
// 		var/datum/aquarium_behaviour/fish/fish_type = path
// 		var/fish_icon = initial(fish_type.icon)
// 		var/fish_icon_state = initial(fish_type.icon_state)
// 		var/id = sanitize_css_class_name("[fish_icon][fish_icon_state]")
// 		if(sprites[id]) //no dupes
// 			continue
// 		Insert(id, fish_icon, fish_icon_state)
// 	..()