233 Betta Fish Names: Male, Female, Cute, Funny Fin Puns, Colour, Tail Type, Thai and Warrior Picks

Betta fish, also known as Siamese fighting fish, are native to the rice paddies, floodplains, and slow-moving streams of Thailand and Cambodia. Males in particular carry some of the most dramatic finnage of any freshwater fish in the world, with colours ranging from deep crimson to iridescent turquoise and tail types spanning from the sweeping Halfmoon to the spiked Crowntail. A name that matches the fish’s colour, tail variety, origin, or warrior personality gives every tank visit a little more meaning. This list covers 233 betta fish names across male, female, cute, funny, colour-coded, tail type-specific, Thai, warrior, and gemstone categories.

Male Betta Fish Names

Male betta names suit fish built for battle: bold, punchy names with strong consonants match a species where males flare their fins aggressively at any perceived rival, including their own reflection.

Male bettas are solitary by nature and will fight any other male placed in their tank. Names that carry confidence, strength, and authority match their dominant, territorial character. Two-syllable names with hard sounds like Blaze, Ronin, or Dredd are the most used in the betta-keeping community.

• Achilles
• Apex
• Ares
• Blaze
• Caesar
• Cosmo
• Dagger
• Dredd
• Duke
• Ember
• Finn
• Gladiator
• Havoc
• Hunter
• Inferno
• Jasper
• Maverick
• Phantom
• Riot
• Ronin
• Spartan
• Valor

Male section subtotal: 22

Female Betta Fish Names

Female betta names suit fish that are less flamboyant than males but still territorial, colourful, and full of personality, often with a deceptive calmness that belies their occasional aggression.

Female bettas have shorter fins than males but retain vivid colouring and the same feisty core temperament. A group of female bettas kept together is called a sorority, which opens up regal, collective name themes. Soft but grounded names like Ember, Nova, or Kira suit the species’ mix of elegance and edge.

• Akane
• Aurora
• Celeste
• Cleo
• Coral
• Dahlia
• Ember
• Fiona
• Iris
• Jade
• Kira
• Luna
• Nova
• Opal
• Pearl
• Rosie
• Sable
• Scarlett
• Stella
• Vega
• Vesper
• Willow

Female section subtotal: 22

Cute Betta Fish Names

Cute betta fish names play on the contrast between the fish’s fierce reputation as a fighting fish and the absurd endearment of a tiny creature living alone in a carefully decorated tank.

The comedic gap between a fish named Potato or Waffles and the reality of a fish that will aggressively flare its fins at a mirror is part of what makes cute betta names so popular. Food names, texture names, and small soft-sounding picks all land well in the betta community.

• Biscuit
• Bubbles
• Button
• Caramel
• Cheerio
• Cupcake
• Dumpling
• Fizz
• Jellybean
• Miso
• Mochi
• Noodle
• Nugget
• Peach
• Pebble
• Pip
• Pudding
• Skittles
• Squishy
• Waffles

Cute section subtotal: 20

Funny Betta Fish Names and Fin Puns

Funny betta fish names reward the effort of naming an animal that will never respond, turning a quiet tank into a conversation piece for every visitor who reads the label.

Betta fish offer a uniquely rich field for puns: the word “betta” itself, combined with fins, scales, flaring, and the species’ fighting reputation, creates dozens of natural wordplay angles. Celebrity name twists that incorporate aquatic words produce the most shareable combinations and work well as short names for daily use.

• Betta Davis
• Betta Fett
• Betta Midler
• Betta White
• Bill Nye the Science Fry
• Fin Diesel
• Finley Baratheon
• Fish Dickinson
• Flap Daddy
• Gill Clinton
• Gillbert
• Harry Gill
• James Pond
• Kanye Wet
• Mackerelmore
• Reel Eastwood
• Ruth Bader Finsburg
• Salmon Rushdie
• Swim Shady
• Tank Sinatra

Funny section subtotal: 20

Betta Fish Names by Colour

Colour-based betta fish names root the fish’s identity in its most striking and permanent visual feature, making introductions to anyone who visits the tank completely self-explanatory.

Bettas are selectively bred for colour more than any other freshwater fish, with breeders producing hundreds of recognised colour morphs. Red, blue, and purple are the most common base colours in the hobby, while white bettas (known as Opaque or Platinum), multicolour butterfly bettas, and solid black Melano bettas each have their own distinct naming traditions.

Red Betta Fish Names

• Blaze
• Cardinal
• Ember
• Inferno
• Scarlet

Blue Betta Fish Names

• Azure
• Cobalt
• Indigo
• Neptune
• Sapphire

Purple Betta Fish Names

• Amethyst
• Iris
• Lavender
• Mauve
• Violet

White Betta Fish Names

• Blizzard
• Dove
• Frost
• Ghost
• Pearl

Multicolour Betta Fish Names

• Confetti
• Harlequin
• Mosaic
• Prism
• Rainbow

Colour section subtotal: 25

Halfmoon Betta Names

Halfmoon betta names suit fish with a tail that spreads a full 180 degrees, creating a perfect semicircle of flowing fin that looks more like a ballgown than a fish tail.

The Halfmoon is considered the premier show variety among betta tail types, bred to produce a caudal fin with a straight upper and lower edge that meets at exactly 180 degrees when fully fanned. Names drawn from celestial imagery, royalty, and drama match the theatrical quality of this variety’s finnage. For a broader comparison across betta colour picks, the betta fish names article covers 189 options across colour and tail-type categories.

• Celeste
• Corona
• Crescent
• Eclipse
• Equinox
• Galileo
• Halo
• Horizon
• Luna
• Lyra
• Nebula
• Nova
• Orbit
• Solstice
• Titan
• Zenith

Halfmoon section subtotal: 16

Crowntail Betta Names

Crowntail betta names suit the variety’s dramatically spiked fin rays, where the webbing between each ray is reduced to create a jagged, crown-like edge across all fins.

Crowntail bettas were developed in Indonesia in the 1990s and became one of the most visually recognisable betta varieties in the hobby. The spiked, spiny appearance of the fins gives these fish a menacing, almost prehistoric quality that makes aggressive, sharp, and regal names feel like obvious fits. A well-kept Crowntail male in full flare looks like a miniature sea dragon.

• Barb
• Crown
• Dagger
• Dredd
• Fang
• Gideon
• Goliath
• Havoc
• Hydra
• Kraken
• Malice
• Raptor
• Shard
• Spike
• Talon
• Venom

Crowntail section subtotal: 16

Plakat Betta Names

Plakat betta names suit the short-finned, muscular variety closest in body shape to wild bettas, bred for fighting rather than display and carrying a compact aggression that longer-finned varieties lack.

Plakat is a Thai word meaning “biting fish” and refers to the traditional fighting variety used in Muay Thai-adjacent gambling contests across Southeast Asia for centuries. Their powerful bodies, short fins, and explosive speed suit bold, martial, and action-forward names above the gentler picks that work for show varieties.

• Blitz
• Bruiser
• Buster
• Chaos
• Flash
• Fury
• Grunt
• Rampage
• Rogue
• Ruckus
• Rush
• Savage
• Striker
• Tank

Plakat section subtotal: 14

Veiltail Betta Names

Veiltail betta names suit the most commonly kept tail type, where long, drooping fins flow downward from the body in a single, elegant curtain of colour.

Veiltails are the variety most commonly sold in pet shops and are the classic image of a betta fish for most owners. Their long, flowing, asymmetric tail has a dramatic, theatrical quality that suits names with elegance, movement, and grace. Many beginner betta owners start with a Veiltail before moving into rarer varieties.

• Chiffon
• Drape
• Flicker
• Flow
• Flutter
• Gossamer
• Ripple
• Serenade
• Shimmer
• Silk
• Swirl
• Tango
• Veil
• Whisper

Veiltail section subtotal: 14

Dragon Scale Betta Names

Dragon Scale betta names suit the variety’s thick, metallic, iridescent scales that overlap like armour plates and give the fish a genuinely reptilian appearance under aquarium lighting.

Dragon Scale bettas carry a genetic mutation that produces enlarged, overlapping scales with a metallic sheen across the body, making them appear almost armoured in gold, platinum, or copper under strong light. The variety is named directly for its resemblance to mythical dragon skin, which makes fantasy, mythology, and armour-themed names a natural choice for this variety.

• Aegis
• Basilisk
• Copper
• Drakon
• Ironclad
• Leviathan
• Mithril
• Mushu
• Obsidian
• Platinum
• Ryuu
• Scale
• Smaug
• Titanium

Dragon Scale section subtotal: 14

Thai and Southeast Asian Betta Names

Thai and Southeast Asian betta names honour the species’ origins and the culture where betta fish have been bred, kept, and celebrated for hundreds of years.

Betta splendens, the species kept as a pet, originates from Thailand, Cambodia, Laos, and Vietnam. In Thailand, bettas have been bred and matched in organised contests since at least the 19th century, and selective breeding programmes there produced many of the colour morphs and tail varieties enjoyed worldwide today. Names from Thai, Khmer, and neighbouring language traditions carry a direct cultural connection to the fish’s heritage. For more fish naming inspiration across species, the fish names guide covers over 200 picks including ocean mythology and food-inspired names.

• Bua (lotus, Thai)
• Chai (victory, Thai)
• Chan (moon, Thai)
• Dao (star, Thai)
• Fah (sky, Thai)
• Kaew (crystal/jewel, Thai)
• Kham (gold, Thai)
• Lek (small, Thai)
• Mek (cloud, Thai)
• Nak (serpent spirit, Thai/Khmer)
• Noi (little, Thai)
• Pla (fish, Thai)
• Praew (lightning, Thai)
• Siam (ancient name for Thailand)
• Thong (gold, Thai)
• Wan (sweet, Thai)

Thai/Southeast Asian section subtotal: 16

Warrior and Mythology Betta Names

Warrior and mythology betta names match the species’ centuries-long association with combat, where males were historically matched against each other in organised fights across Southeast Asia.

The fighting reputation of bettas is inseparable from their cultural history. In 19th-century Thailand, betta fights were regulated by the royal court, with the king himself maintaining an official collection of fighting bettas. Names drawn from martial traditions, ancient warriors, and mythological fighters give this species the historical resonance its background deserves.

• Achilles
• Ajax
• Ares
• Attila
• Bhima
• Genghis
• Hannibal
• Hercules
• Leonidas
• Loki
• Mars
• Odin
• Perseus
• Samson
• Shaka
• Thor
• Titan
• Vulcan

Warrior/mythology section subtotal: 18

Gemstone Betta Names

Gemstone betta names match the metallic, iridescent quality of betta scales under aquarium lighting, where the fish’s colour can shift from one shade to another depending on the angle of the light.

Bettas carry iridophores — pigment cells that refract light rather than absorb it — which creates the colour-shifting effect that makes high-quality bettas look different from every angle, much like faceted gemstones. A Ruby betta can appear nearly black at rest but flame red when flaring. An Emerald betta shifts between teal and electric green. Gemstone names capture this optical complexity better than most other naming categories.

• Amber
• Amethyst
• Beryl
• Citrine
• Diamond
• Emerald
• Garnet
• Jasper
• Jet
• Onyx
• Opal
• Ruby
• Sapphire
• Topaz
• Tourmaline
• Zircon

Gemstone section subtotal: 16

Tips for Choosing a Betta Fish Name

The best betta fish names come from watching the fish for a few days after purchase, since a betta’s personality, dominant colour under tank lighting, and fin-display habits are the most reliable naming cues.

Male bettas develop visible personality differences within days of being settled into a new tank. An aggressive fish that charges the glass at every approach suits a warrior name. A fish that spends its time calmly exploring plants suits something quieter. Colour under lighting often surprises new owners, since pet-shop fluorescent light frequently misrepresents a betta’s true shade, and the fish’s colour under the owner’s specific aquarium lighting may differ significantly from what it looked like in the store. Tail type is permanent and provides a reliable structural base for a name even before personality becomes clear. Avoid names that rhyme with feeding cues or commands used in the same room, though this matters less for bettas than for talking pets since bettas do not respond to their names.