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This is a list of types of organisms that have appeared in SpongeBob SquarePants. This list includes organisms in the Animal Kingdom and organisms in the Protista Kingdom, as within the show protists tend to act as animals. Most of the show's characters are based on real-life sea creatures, but only a few of the characters' exact species or scientific names have been revealed.


The following is a list of species, sorted by higher classifications.

The following is a list of sponges.

Sponges[]

SpongeBob SquarePants and his family are sea sponges. In real life, sea sponges cannot walk or swim on their own, so they eat by filter-feeding (straining the surrounding water for nutrient particles). Many sea sponges reproduce by "budding," which is when a portion of the sponge breaks off and becomes a complete animal.

In The SpongeBob Musical, SpongeBob's exact species name is identified: Aplysina fistularis, a yellow sea sponge commonly found in open waters.

The following is a list of mollusks.

Mollusks[]

Sea snail[]

There are many species of sea snails in real life. In the series, the sea snail is the underwater equivalent to a cat. The most notable is Gary the Snail. Others include Snellie the Snail, Annette, and a variety of one-time characters.

"Whelk Attack" features whelks, a type of sea snail, as big ravenous beasts. They later turn out to be small and friendly after SpongeBob helps cure them of a disease.

Sea slug[]

Gary's father, Sluggo, was a sea slug. A saddened SpongeBob refers to Gary as a "lowly slug" in "Shell Shocked." Sinister Slug is another slug that appears in "Mermaid Man and Barnacle Boy II" and "The Bad Guy Club for Villains."

Jorunna parva (Sea bunnies)[]

Sea bunnies are a real-life species of sea slug, they first appear in the episode "Bunny Hunt." They are the underwater equivalent to bunnies.

Clams[]

In the series, clams take the place of animals such as wolves, as they are sometimes shown howling ("Texas") and attacking people ("Tea at the Treedome"). The most notable clam is the giant clam Old Bluelip from the episode "Clams."

Other clams who have appeared on the show are the giant clam from "Tea at the Treedome," the clams from "Texas," the clam from "Porous Pockets," and the clams from "No Free Rides." An owl clam appears in "One Krabs Trash."

Scallops[]

Scallops are depicted as the underwater equivalent to birds. They resemble clams but are much smaller in size. Shelley, SpongeBob's pet scallop, appears throughout the show in his bedroom. Another notable scallop is Junior from "Rock-a-Bye Bivalve." Other scallops who have appeared are Mr. Krabs' former pet scallop, the chocolate-eating scallops from "Valentine's Day," the scallops whom SpongeBob kills in "To Love a Patty," and the scallops from "One Krabs Trash."

Pearl oyster[]

Clamu is a notable pearl oyster who performs at the Bikini Bottom Zoo, as shown in "The Smoking Peanut." Oysters can also sometimes be used as food, such as in "Squidville," where Patrick is mentioned to have eaten fried oyster skins.

Cephalopods[]

Octopus[]

Octopuses are an order of cephalopods. Squidward, one of the main characters, is an octopus. The octopus is closely related to the squid, which (unlike Squidward) has a cone-shaped head with fins on each side, and has ten limbs. The character was named "Squidward" instead of "Octoward" because the second name "just didn't work," according to Rodger Bumpass.[citation needed]

The Tentacles family and most of the other cephalopods are octopuses. Other octopuses who appear are Squilliam, Squilvia, and some of the members of the Cephalopod Lodge. Different species of octopuses make occasional appearances, such as a mom octopus and her children from "Sailor Mouth," an octopus vendor from "Walking Small," and a dancer from "Slimy Dancing." The only species allowed in Tentacle Acres are octopuses.

Squid[]

Squids are another order of cephalopods. The most notable examples are Incidental 11, a common background character, and Squidina. Some squids, in addition to octopuses, appear in the episode "Cephalopod Lodge" because they are cephalopods. Another squid appears in "Jailbreak!" as one of Plankton's inmates. Squidina Star appears as a main character in The Patrick Star Show.

Ammonite[]

Ammonites are a group of extinct marine mollusks. They are shown in the series appear in the episodes "SB-129" and "Ugh," during the prehistoric parts of those episodes.

Ammonite in Prehistoric Bikini Bottom

Vampire squid[]

Vampire squids are a species of squids that live in the deep oceans, the only one that appears in the series is Squidabeth, who appears in "The Night Patty." One also appears in a movie in "Movie Stars."

Squidabeth the vampire squid stands in the Krusty Krab

The following is a list of crustaceans.

Crustaceans[]

Every species under this section is related by Class.

Crab[]

This is the species that most of the Krabs family is. The only members who are not are Pearl Krabs and Princess Pearl Krabs. Mr. Krabs is the most notable of the crabs in the Krabs family.

Other crabs include The Penny Pinchers, The Wise Old Crab and the other crabs from the video games Nicktoons: Battle for Volcano Island and SpongeBob SquarePants featuring Nicktoons: Globs of Doom, Mr. Krabs' double, Fentin Finkle and his sister Crabina from "Squidina's Little Helper."

Hermit Crab[]

Hermit crabs have also appeared in the series. The most notable is the Sneaky Hermit, who appeared in the video game Lights, Camera, Pants! and the episodes "Life of Crime" and "Ain't That the Tooth." The other crab also appears in "Life of Crime," where he is a victim in a fake thievery on a show called Crustacean Crime Theater. Another hermit crab also briefly appears in "No Nose Knows."

Yeti Crab[]

Kiwa hirsuta (also known as the yeti crab) is a crustacean discovered in 2005 in the South Pacific Ocean. One appears as the titular character of "Yeti Krabs." Another one also appears in "Shopping List."

Copepod[]

Sheldon J. Plankton is a planktonic copepod. Other plankton include the members of Plankton family who appear in "Plankton's Army," Sheldon's grandmother who appears in "Gramma's Secret Recipe," Plankton's grandfather and other ancestors in "One Coarse Meal," Planktonamor from "Dunces and Dragons," Dead Eye Plankton from "Pest of the West," and Papa Plankton from the book Hooray for Dads!.

Lobster[]

Lobsters are a family of crustaceans. Several lobsters have appeared in the series: Larry the Lobster in "Ripped Pants" and various later episodes, Federico the Waiter in Employee of the Month, and the lobster who works at Fin Locker in The SpongeBob SquarePants Movie video game. A non-sapient lobster is seen on a buffet table in "Neptune's Ball."

Shrimp[]

A shrimp makes a brief appearance in "The Algae's Always Greener" and various season 13 episodes. There is also a villain based on the species called Jumbo Shrimp.

Brine Shrimp (Sea monkeys)[]

Brine shrimp, also called "sea monkeys," appear in "Not Normal," "Plankton's Pet," and "The String." A similar species called sea chimps appear in "King Plankton.

Prawn[]

The only prawn ever seen is Prawn, a villain from the Battle for Bikini Bottom, SpongeBob's Truth or Square, and Battle for Bikini Bottom: Rehydrated video games and the episode "Captain Pipsqueak."

A blue prawn with a curly black mustache

Krill[]

Johnny Krill is the most notable of the order. Kelpy Krill is another krill that appears in Curse of the King Krabbe in SpongeBob Comics No. 28.

In "BlackJack," krill are described as vermin, with Harold SquarePants saying, "The only crime that ever happened at our house was the infestation of those worthless krill."

Trilobite[]

Prehistoric arthropods that are now extinct. They appear in "SB-129" and in the opening credits of "Ugh." Squidward calls a music rental clerk one in "Band Geeks."

A Trilobite lays in the sand in a prehistoric Bikini Bottom

Isopod[]

The only isopod seen in the series is an isopod that appears in the episode "Sold!." Invisible Isopod appears in the comic Lo, There Shall Be A Catered Affair! Various isopods appear in "Survivoring."

Barnacle[]

Barnacles are a species of crustaceans that appears throughout the series. In the episode "Barnacle Face" the barnacles are depicted as the whale equivalent to acne. Multiple barnacles are seen living on SpongeBob's house in "Unreal Estate." The name of the species is commonly used by the characters as an interjection ("Barnacles!"). This species is also the namesake of Barnacle Boy, named after his ability to spit out barnacles in "Mermaid Man Begins." Patrick is described as "living like a barnacle" in "Truth or Square."

The following is a list of Protists.

Protists[]

Amoeba[]

Amoeba are single-celled organisms. Notable amoeba seen in the series include Spot and his children from "Plankton's Pet" and "Spot Returns," as well as numerous amoeba from "Goo Goo Gas."

Ick[]

Ichthyophthirius multifiliis is a type of parasitic ciliate that affects fish. Within the show, the parasite is referred to as a fungus called the Ick , but it is most similar to this protist. The Ick is seen in the episode "Fungus Among Us."

The following is a list of echinoderms.

Echinoderms[]

Sea star[]

This class contains most of Patrick's family. The most notable is Patrick Star. The only other sea stars that have appeared in the series besides the sea stars in Patrick's family are Janet and Marty from "I'm with Stupid," the sea star who mistakenly crowned Patrick king of Bikini Bottom in "Rule of Dumb," a few sea stars at Shell City in The SpongeBob SquarePants Movie, and Patrick Not-Star from Hide and Then What Happens?.

Sea urchin[]

The show depicts sea urchins as the underwater equivalent of bugs/cockroaches and rats. They appear in "Nature Pants," "Your Shoe's Untied," and "Eek, an Urchin!" A larger, talkative variety of sea urchin appears in "Squidward's School For Grown-Ups." Sir Urchin is a sapient urchin with a monocle who is capable of speech. Ouchie appears as a recurring character in The Patrick Star Show.

Sea cucumber[]

Kevin C. Cucumber is a sea cucumber that appears as the main antagonist in "I'm Your Biggest Fanatic." Jester is another sea cucumber that appears in the PC version of The SpongeBob SquarePants Movie game.

The following is a list of limbless creatures.

Limbless creatures[]

Worm[]

Worms are portrayed as the underwater equivalent to dogs. Many worms appear on the show, including Mr. Doodles, Rex, and the Alaskan Bull Worm.


Flatworm[]

Two flatworms have been seen on the show: Tapey from "Pest of the West" and the primitive tapeworm from "SB-129."


Sleepy Time 057
"I can turn into a skyscraper!"
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Hagfish[]

Madame Hagfish is a notable member of this species, appearing in "The Curse of the Hex" and "Captain Pipsqueak." Technically, it is a family, but it is the only one in its order and its class. In "The Patrick Show Sells Out," Patrick announces a skit on fashion tips for hagfish.

Leech[]

Numerous leeches are briefly seen in "Prehibernation Week," along with a place called the Leech Farm which was only mentioned. An ancestor of Gary that was a leech appears in "Dunces and Dragons." Leeches also appear in a deleted scene in "Swamp Mates."

Eel[]

Eels are an order of ray-finned fish. They occasionally appear in the series. This includes the brown eel that appears in "Your Shoe's Untied," and the golden eel in "The Curse of the Hex." They were mentioned in the episode "Sailor Mouth" when the game Eels and Escalators is played. Another eel appears in "Fun & Done!"

Nematode[]

Worm-like creatures that are underwater equivalent to termites, they are known for damaging buildings. They first appear in "Home Sweet Pineapple."

The following is a list of 'insects.

Insects[]

Butterfly[]

Wormy (character) is a butterfly who terrorizes Bikini Bottom.

Fly[]

The health inspector in "Nasty Patty" swallows a fly.

The following is a list of fish.

Fish[]

Pufferfish[]

Mrs. Puff is one of the main characters of the series. She is a pufferfish: specifically a porcupinefish. The only other known pufferfish are her deceased husband, Mr. Puff, her ancestor Polene Puff, and an unnamed pufferfish at Shell City in The SpongeBob SquarePants Movie.

Anchovy[]

Anchovies, in the SpongeBob universe, are known for making sounds like "meep," though can speak English as well. They are notorious around the Krusty Krab for gathering in large schools for food, nearly destroying the restaurant in the pilot episode. Some incidentals such as incidental 115 and incidental 30 are also anchovies. In Kamp Koral: SpongeBob's Under Years, all the anchovies live together in the Barge cabin.

Shark[]

A family of sharks is seen in "SpongeGuard on Duty." Notable sharks include Sharkey Two-Times from SpongeBob Diner Dash 2, Seymour Scales from SpongeBob's Boating Bash, and Sergeant Roderick from "Mrs. Puff, You're Fired." A shark also appears in "Kenny the Cat," being ridden by its titular character. A group called the Sharks play a big role in "Sharks vs. Pods."

A hammerhead shark citizen appears as a background character. Another more realistic hammerhead shark makes a quick appearance in "Mermaid Man and Barnacle Boy." Sharkface and Gill Hammerstein from Lights, Camera, Pants! are also this species.

Whale shark[]

The only whale shark seen is Incidental 24A, a background character in the series.

Whale Shark


Stingray[]

The only stingray seen in the series briefly appears in "Chimps Ahoy." Outside the series, Ray appears in the game Employee of the Month.

Manta Ray[]

The only manta ray that appears in the franchise is Stan the Manta, who appears in the book UFO!.

Stan the Manta

Sawfish[]

The sawfish that appear in the series are Incidental 201 and an unnamed sawfish that can be seen in the Thug Tug.

Frogfish[]

Frogfish include the frog fish monster from The SpongeBob SquarePants Movie. Like actual frogfish, it uses its tongue to attract food, SpongeBob and Patrick in this case.

Frogfish

Angler fish[]

Angler fish appear in "Rock Bottom,""Don't Look Now," "Trenchbillies," and "Pat the Horse."

Lion fish[]

Contrary to real-life standards, the lionfish is depicted as a fish with a lion's head and claws. One appears in "Spongicus," set to attack Patrick who has sausages around his neck, but ends up attacking Plankton instead.

Lion Fish

Dogfish[]

Its name appears in "Sailor Mouth" as dumpster writing. SpongeBob also dresses up like one in "Whale of a Birthday."

Dogfish

Seahorse[]

Seahorses are a genus of fish. They are depicted as the equivalent of actual horses on the surface. The most notable is Mystery the Seahorse, who first appears in the episode "My Pretty Seahorse." Seahorses are mainly green in the series, but in "Neptune's Spatula" the seahorses are purple with a more spiked appearance, and in The SpongeBob SquarePants Movie the seahorses have a pink and orange color. Various colors of seahorse appear in "Nitwit Neighborhood News."

Flounder[]

Flats the Flounder and Flats' dad are notable flounders seen in the series, as well as Atomic Flounder.

Bass[]

The most notable of this species is Bubble Bass and his mother. It was also used for the name of the city Bass Vegas.

Swordfish[]

The only swordfish that appear in the series are a swordfish trucker, Incidental EHS1, who appears in "The Nitwitting," King Neptune's swordfish in "Neptune's Spatula," and a swordfish can be seen in Shell City. Annika Swordfish is a swordfish that appears in the book SpongeBob Tees Off.

Tuna[]

The most notable tuna is the Realistic Fish Head. Incidental 23 is another tuna that appears as a background character in the series.

Blobfish[]

Very few blobfish appear in the series, the most notable being Barry Blobfish who appears in "The Night Patty." Another blobfish is seen in the Empty Head Society in "The Nitwitting." In Kamp Koral: SpongeBob's Under Years, Jimmy Blobfish is a recurring character.

Catfish[]

The catfish that appear in the series include a catfish that appears in "Code Yellow," and Incidental 66.

Puffy Fluff[]

Puffy Fluffs resemble small cute fish, which can evolve into huge, monstrous and dangerous creatures when in the prescience of other pets which they hate, Puffy Fluffy being a notorious example.

Barracuda[]

Incidental 68 is a barracuda that appears as a background character throughout the series. In the Kamp Koral: SpongeBob's Under Years episode, "In Search of Camp Noodist," a barracuda is seen in Camp Noodist.

Gulper eel[]

One gulper eel appears in the episodes "Rock Bottom" and "The Night Patty."

Gulper Eel


Electric eel[]

Unlike what the name suggests, Electric Eels are actually not actually eels, but are instead fish. The only electric eels that appear are in "Walking Small" and "Enchanted Tiki Dreams."

Sturgeon[]

In "Mandatory Music," a sturgeon named Mrs. Sturgeon appears as a teacher at the Little Flipper Music Academy.

The following is a list of cnidarians.

Cnidarians[]

Jellyfish[]

Jellyfish are a subphylum. In the show, they are commonly known to represent bees, due to their stings and jelly. There are known to be Queen Jellyfish just like bees, however there are King Jellyfish as well. The species are involved in the practice of jellyfishing. While pink is the most common color of a jellyfish, they can come in different physical appearances and species.

Comb jelly[]

One red comb jelly is seen swimming in the Krusty Krab in "The Night Patty."

Comb jelly

Sea anemone[]

The sea anemones in this series are Jennifer and a dancing anemone that appears in "Your Shoe's Untied."

Coral[]

Corals are most often portrayed in the backgrounds or as objects in the series, and are also shown in the names of locations such as Kamp Koral and Scorched Coral. Coral is sometimes shown to be food, which can be seen with Canned Coral and coral bits. Coral is also often portrayed as the underwater equivalent to plants, such as Squidward's coral tree. In the game Coral Climb, the gameplay involves SpongeBob having to jump on coral springs.

The following is a list of mammals.

Mammals[]

Sperm whale[]

The series features a sperm whale, Pearl, as one of the main characters. Various other sperm whales have appeared on the show, with their designs based on Pearl's.

Orca[]

Orcas on the show include Don the Whale, Billy the Orca, and the orca kid. They are the only seen characters of this species.

Dolphin[]

The only dolphins that have appeared are the ancient warrior from "Sponge-Cano!," the dolphins from "Jellyfish Jam," Bubbles from the second SpongeBob movie, and Flibberty Gibbet from "A Cabin in the Kelp." Some non-anthropomorphic dolphins appear in the series, such as the dolphin's seen in "SpongeBob SquarePants vs. The Big One" and "Fiasco!"

Porpoise[]

A porpoise appears in The Patrick Star Show episode, "Bummer Jobs." There is a holiday dedicated to them called Porpoise Day, as seen in "Overbooked."

Porpoise

Narwhal[]

Dylan appears in "Whale Watching." Narlene and Nobby appear in Kamp Koral: SpongeBob's Under Years and in the main series starting with "Something Narwhal This Way Comes."

Blue whale[]

Frank the whale appears in "Ripped Pants," "You Don't Know Sponge," "Mutiny on the Krusty," and "SpongeBob's Big Birthday Blowout."

Gray whale[]

Holographic gray whales appear at the end of "One Coarse Meal."

Gray whales

Manatee (sea cows)[]

Sea cows briefly appear in "Blackened Sponge" and "The Patrick Show Sells Out."

Sea cows


Earless seal[]

Craig Mammalton, an earless seal, appears in "Sun Bleached." A similar-looking seal customer appears in "The Whole Tooth."

Craig Mammalton

Elephant seal[]

In Stephen Hillenburg's original pitch bible for SpongeBob, a pelican and an elephant seal were planned to be host characters.

An elephant seal character Stephen Hillenburg originally planned for the show.

Walrus[]

While no walrus character appears in the show, Mr. Krabs wins two walrus toys (revealed near the end to be fish skeletons) in "Company Picnic."

Elephant[]

Two elephants appear at the end of the song "Rap Battle" in The SpongeBob Movie: Sponge Out of Water. SpongeBob makes an elephant bubble in "Bubblestand," which Patrick calls a "giraffe."

Horse[]

George is a horse (often mistaken for a zebra) who appears at the end of the episode "I Had an Accident."

Giraffe[]

A live-action giraffe appears in "Krusty Krab Training Video," when the narrator asks for a graph. It is also mentioned in "Bubblestand" when Patrick mistakes an elephant for it.

Squirrel[]

Sandy Cheeks, a squirrel, is one of the main characters. Squirrels are a family of rodents. This is the species that most of the Cheeks family belongs to. Other squirrels include, The Dark Knight, Pa Cheeks, Ma Cheeks, Randy Cheeks, Western Cheeks, Rosie Cheeks, and Sandy's Scottish cousin.

Rat[]

A rat (portrayed by a puppet) appears in The Poop Deck from the episode "Friend or Foe."

Polar bear[]

A polar bear chases Patchy the Pirate at the end of "It's a SpongeBob Christmas!"

Cat[]

Kenny the Cat is a character who appears in the episode of the same name. Anthropomorphic cats were also planned to be the main antagonists in a cut storyline of The SpongeBob Movie: Sponge on the Run.

Dog[]

In "Patty Hype," a restaurant called the Shell Shack is told to have a talking dog, but the people of Bikini Bottom have no idea what dogs are. There's also Plankton's labrador (as a pun) seen in "Plankton!." The "pie dragon" appears in "SpongeBob's Big Birthday Blowout."

Hamster[]

Cuddle E. Hugs is an imaginary character that appears in the episode of the same name.

Monkey[]

SpongeBob dresses up as a monkey in "Perfect Chemistry."

Gorilla[]

A gorilla appears in "I Had an Accident" and "Friend or Foe." In the former episode, Patrick is shown to own a gorilla costume. A gorilla costume is also shown in "Boating Buddies." A gorilla is also seen in the audience for Ned and the Needlefish in "Hello Bikini Bottom!"

Chimpanzee[]

Dr. Marmalade, Professor Percy, and Lord Reginald are three chimpanzees that appear in the eponymous episode "Chimps Ahoy." A live-action chimpanzee appears in "Patrick's Tantrum."

Human[]

The most notable humans in the show are Patchy the Pirate, Mermaid Man, and Barnacle Boy. Other humans include David Hasselhoff, Mrs. Johnson, Davy Jones, Mr. Pirateson, Burger Beard, The Cyclops, Patchy's party guests in "Party Pooper Pants," the children at the playground in "The Sponge Who Could Fly," and the unnamed pirates from The SpongeBob SquarePants Movie.

The following is a list of birds.

Birds[]

Parrot[]

SpongeBob-Potty-the-Parrot

Potty

The most notable bird in the series is Potty the Parrot, the co-host of the specials. Additionally, a painted parrot usually appears alongside Painty in the opening theme.

Pelican[]

Pelicans appear sporadically throughout the franchise. In Stephen Hillenburg's original pitch bible for SpongeBob, a pelican and an elephant seal were planned to be host characters. In The SpongeBob Movie: Sponge Out of Water, a pod of pelicans is seen at Pelican Island.

Seagull[]

Seagulls appear in "Squidward the Unfriendly Ghost," "Pressure," the first two films, and "Goons on the Moon." They can also be heard in the opening theme of the show.

Vulture[]

Vultures appear in the episodes "Atlantis SquarePantis" (as a live-action puppet) and "Goons on the Moon" (in animated form).

Chicken[]

Roger is a chick that hatches at the end of the episode "New Student Starfish." Also, in the episode "Lost and Found," a chicken flies over SpongeBob's head when he dances with a doll.

Eagle[]

The eagle head is an eagle that appears in the episode "Squidward in Clarinetland."

The following is a list of reptiles.

Reptiles[]

Alligator[]

Alligators appear in "Swamp Mates" and "Escape from Beneath Glove World."

Tyrannosaurus rex[]

ROAR!!!!!!!!!!!!!!!!!!!!!!

The only Tyrannosaurus rex that appears is the one at the end of "Ugh." It is the only species in its genus and its tribe.

Tylosaurus[]

Lost and Found 130

The Tylosaurus

The only Tylosaurus that appears is the one in "Lost and Found." It lives in the "Lost World," which is in the Krusty Krab's Lost and Found.

Tanystropheus[]

Lost and Found 131

The Tanystropheus

The only Tanystropheus that appears is the one in "Lost and Found." It live in the "Lost World," which is in the Krusty Krab's Lost and Found.

Sea Turtle[]

The only sea turtles that appear in the series are Tony, his two lady turtle friends from the episode "Shell Games," and Monster Island. They also appear prominently in the online game "Kash Krab."

The following is a list of fictional species.

Fictional species[]

References[]

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