All 45 named creature entries are listed, including the retained Siren form. Mermaid and Siren share the current day/night creature implementation, so the entry count is not a count of 45 distinct naturally spawning species.
Sheep
Passive livestock. Shear three wool with iron/steel shears; regrowth needs grass and 150 active seconds. Breeds with wheat/apple.
PPig
Passive livestock. Breeds with carrots/berries.
HHen
Passive poultry. Breeds with seeds/wheat; lays a hen egg every 60–120 active seconds; livestock keepers gather them.
UUndead
Hostile melee creature. Exposed daylight damages it.
RRaider
Theft-first hostile. Usually steals and flees; retaliation after theft can provoke pursuit.
SSpider
Hostile spider with damaging/snaring silk projectiles. Limited placed webs belong to a den. Hunts smaller prey too.
RReaper
Hostile melee mob with longer reach and stronger melee than basic Undead.
SScarecrow
Hostile ranged mob; fires projectiles at visible targets.
CCow
Passive livestock. Breeds with wheat/apple; empty bucket gives milk followed by 45-second rest.
GGoat
Passive livestock. Breeds with wheat/apple; empty bucket gives milk followed by 45-second rest.
RRabbit
Passive small wildlife. Can eat ripe carrots and leave young plants. Breeds with carrots/berries.
DDeer
Passive browsing/grazing wildlife. No supported player breeding.
FFox
Wild predator of hens/rabbits with daytime sleep window. No supported taming.
BBluebird
Flying bird; nearby nests can be used for nighttime rest.
RRobin
Flying bird; nearby nests can be used for nighttime rest.
RRaven
Flying bird; nearby nests can be used for nighttime rest.
SSalmon
Aquatic fish, prey in the ocean food web, obtainable by angling.
TTrout
Aquatic fish, prey in the ocean food web, obtainable by angling.
AAmber butterfly
Flying insect. No supported taming or breeding.
BBlue butterfly
Flying insect. No supported taming or breeding.
HHorse
Tame with wheat/apple; saddle to ride and fit horse armor. Breeds with wheat/apple once tame. Sprint uses recoverable stamina.
WWitch
Independent neutral trader. Calm grounded night barter. Can poison/escape if provoked. Shell exchange yields mushroom or rare Twilight crystal.
FFirefly
Tiny glowing flying Animal entity, resting by day. Not merely a decorative particle.
SSiren
Siren is the night form of the unified Mermaid. spawn(23) canonicalizes to kind24; old eggs/saves resolve to that creature.
MMermaid
Mermaid by day; siren by night. Day rescue/defense; night lure/grasp/bite. No current trident.
WWolf
Wild wolf hunts livestock. Bone taming makes follower/defender. Tame wolves breed with meat and can wait/follow.
BBear
Neutral at distance, but proximity or anger can cause heavy bites. Hunts fish/hostiles and climbs bark to raid honey.
WWild cat
Wild rabbit-hunter. Tame with raw/cooked salmon/trout; tame cats breed with meat and can wait/follow.
RReef fish
Aquatic prey fish in the ocean food web. No supported taming.
JJellyfish
Aquatic drifting wildlife. No player sting established in inspected combat paths; do not invent one.
CCrab
Bottom-walking crab; natural spawning includes shallow shoreline terrain.
PPirate
Hostile pirate. Raids demand and loot real stock; melee/ranged roles. Spawned individuals and raid crew can have different health.
BBee
Forages flowers/ripe plants, returns home and produces nectar. Defends itself/hive when provoked.
GGiant larva
Earth-toned giant larva hunts hostile land mobs and consumes kills. Ordinary players and animals are not its diet.
SShark
Predatory shark; dangerous to Mortal swimmers, fish and mermaids.
BBlue whale
Blue whale feeds on krill. Not a player-targeting land hostile.
OOctopus
Octopus hunts fish/krill; ink cloud and retreat when injured.
SSquid
Squid hunts fish/krill; ink cloud and retreat when injured.
RRay
Ray feeds on krill; close contact can damage Mortal player.
OOrca
Orca hunts fish/octopus/squid. Current food web does not target players or mermaids.
BBeluga
Feed fish/krill for ride permission, empty hand boards, W guides and Shift releases. Can assist low-oxygen swimmers.
KKrill
Small krill is prey for several marine species; may drop the krill item.
KKraken
Kraken has 480 initial health, hunts pirates/nearby swimmers and avoids shallow pursuit. Dangerous body contact.
AAnglerfish
Anglerfish moves slowly around deep habitat.
NNautilus
Nautilus moves slowly around deep habitat.