What are the best tank mates for Celestial Pearl Danio?

Top engine-approved picks: Scarlet Badis, Thai Micro Crab, Blue Tiger Shrimp, Glowlight Danio, Pygmy Corydoras. Each shares a workable temperature and pH band with Celestial Pearl Danio and clears the temperament and predation checks in a spacious reference tank.

What fish should you avoid keeping with Celestial Pearl Danio?

The engine red-flags Acei Cichlid, Adonis Pleco, African Butterflyfish among others — for incompatible water, temperament conflict or predation risk. The avoid list above states the specific reason for each pairing.

Celestial Pearl Danio care guide

Celestial Pearl Danio tank mates

Every recommendation below is computed, not copied: the AquaSage engine paired Celestial Pearl Danio (2.5 cm / 1 in, peaceful) with 271 fish and invertebrates in a spacious reference tank and scored each pair for water-parameter overlap, temperament, predation and husbandry. A species makes the green list only when every check passes at 20–26 °C (68–78.8 °F).

Verdicts by the AquaSage engine v0.1.2 in a 450 L reference tank. Read the full methodology →

Best tank mates for Celestial Pearl Danio

Scarlet Badis

2.5 cm · 18–26°C

Thai Micro Crab

2.5 cm · 21–28°C

Blue Tiger Shrimp

3 cm · 18–25°C

Glowlight Danio

3 cm · 16–26°C

Pygmy Corydoras

3 cm · 22–26°C

Bladder Snail

1.5 cm · 15–30°C

Blue Velvet Shrimp

3.5 cm · 18–28°C

Cherry Shrimp

3.5 cm · 15–30°C

Salt and Pepper Cory

3.5 cm · 20–26°C

Black Neon Tetra

4 cm · 20–28°C

Flame Tetra

4 cm · 18–28°C

Freshwater Clam

4 cm · 18–28°C

37 more species pass every check:

Possible with care

African Butterfly Cichlid— Everyone is close on temperature — one fish sits just outside its favourite
Agassiz's Dwarf Cichlid— Everyone is close on temperature — one fish sits just outside its favourite
Assassin Snail— Everyone is close on pH — one fish sits just outside its favourite
Bamboo Shrimp— Everyone is close on temperature — one fish sits just outside its favourite
Betta (Siamese Fighting Fish)— Everyone is close on temperature — one fish sits just outside its favourite
Black Phantom Tetra— Everyone is close on temperature — one fish sits just outside its favourite
Bleeding Heart Tetra— Everyone is close on temperature — one fish sits just outside its favourite
Blood Parrot Cichlid— Everyone is close on temperature — one fish sits just outside its favourite
Blue Acara— Everyone is close on temperature — one fish sits just outside its favourite
Blue Dolphin Cichlid— Everyone is close on temperature — one fish sits just outside its favourite
Boesemani Rainbowfish— Everyone is close on temperature — one fish sits just outside its favourite
Bolivian Ram— Everyone is close on temperature — one fish sits just outside its favourite
Brichard's Teleogramma— Some tankmates are at risk of being eaten
Bronze Corydoras— Everyone is close on temperature — one fish sits just outside its favourite
Buenos Aires Tetra— Setup needs adjustments for some species
Buffalohead Cichlid— Everyone is close on temperature — one fish sits just outside its favourite
Bumblebee Goby— Everyone is close on temperature — one fish sits just outside its favourite
Celebes Rainbowfish— Everyone is close on temperature — one fish sits just outside its favourite
Checkerboard Cichlid— Temperature is a compromise for someone here
Checkered Barb— Everyone is close on pH — one fish sits just outside its favourite
Cherry Barb— Everyone is close on temperature — one fish sits just outside its favourite
Chili Rasbora— Everyone is close on temperature — one fish sits just outside its favourite
Chocolate Cichlid— Everyone is close on temperature — one fish sits just outside its favourite
Clown Killifish— Everyone is close on pH — one fish sits just outside its favourite
Clown Pleco— Everyone is close on temperature — one fish sits just outside its favourite
Cockatoo Dwarf Cichlid— Everyone is close on temperature — one fish sits just outside its favourite
Colombian Ramshorn Snail— Everyone is close on temperature — one fish sits just outside its favourite
Congo Dwarf Cichlid— Everyone is close on pH — one fish sits just outside its favourite
Congo Tetra— Everyone is close on temperature — one fish sits just outside its favourite
Convict Cichlid— Everyone is close on temperature — one fish sits just outside its favourite
Denison Barb— Some tankmates are at risk of being eaten
Diamond Tetra— Everyone is close on temperature — one fish sits just outside its favourite
Doctor Fish— Some tankmates are at risk of being eaten
Dojo (Weather) Loach— Some tankmates are at risk of being eaten
Dwarf Chain Loach— Everyone is close on temperature — one fish sits just outside its favourite
Dwarf Flag Cichlid— Everyone is close on temperature — one fish sits just outside its favourite
Dwarf Gourami— Everyone is close on temperature — one fish sits just outside its favourite
Dwarf Neon Rainbowfish— Everyone is close on temperature — one fish sits just outside its favourite
Dwarf Pea Puffer— Everyone is close on temperature — one fish sits just outside its favourite
Dwarf Rasbora— Everyone is close on temperature — one fish sits just outside its favourite
Elephantnose Fish— Everyone is close on temperature — one fish sits just outside its favourite
Ellioti Cichlid— Everyone is close on temperature — one fish sits just outside its favourite
Ember Tetra— Everyone is close on temperature — one fish sits just outside its favourite
Emperor Tetra— Everyone is close on temperature — one fish sits just outside its favourite
Endler's Livebearer— Everyone is close on temperature — one fish sits just outside its favourite
Festivum (Flag Cichlid)— Everyone is close on temperature — one fish sits just outside its favourite
Firemouth Cichlid— Everyone is close on temperature — one fish sits just outside its favourite
Forktail Rainbowfish— Everyone is close on temperature — one fish sits just outside its favourite
German Blue Ram— Temperature is a compromise for someone here
Glowlight Tetra— Everyone is close on temperature — one fish sits just outside its favourite
Golden Pencilfish— Everyone is close on temperature — one fish sits just outside its favourite
Golden Tetra— Everyone is close on temperature — one fish sits just outside its favourite
Green Neon Tetra— Everyone is close on temperature — one fish sits just outside its favourite
Guppy— Everyone is close on temperature — one fish sits just outside its favourite
Head-and-Tail-Light Tetra— Everyone is close on temperature — one fish sits just outside its favourite
Kissing Gourami— Everyone is close on temperature — one fish sits just outside its favourite
Kribensis— Everyone is close on temperature — one fish sits just outside its favourite
Kuhli Loach— Everyone is close on temperature — one fish sits just outside its favourite
Lambchop Rasbora— Everyone is close on temperature — one fish sits just outside its favourite
Least Killifish— Everyone is close on pH — one fish sits just outside its favourite
Macmasteri Dwarf Cichlid— Everyone is close on temperature — one fish sits just outside its favourite
Malaysian Trumpet Snail— Everyone is close on pH — one fish sits just outside its favourite
Marble Hatchetfish— Everyone is close on temperature — one fish sits just outside its favourite
Medaka Ricefish— Everyone is close on temperature — one fish sits just outside its favourite
Moonlight Gourami— Everyone is close on temperature — one fish sits just outside its favourite
Mystery Snail— Everyone is close on pH — one fish sits just outside its favourite
Neon Tetra— Everyone is close on pH — one fish sits just outside its favourite
Nerite Snail— Everyone is close on pH — one fish sits just outside its favourite
Paraguay Eartheater— Some tankmates are at risk of being eaten
Peaceful Betta— Everyone is close on temperature — one fish sits just outside its favourite
Pearl Gourami— Everyone is close on temperature — one fish sits just outside its favourite
Penguin Tetra— Everyone is close on temperature — one fish sits just outside its favourite
Platy— Everyone is close on pH — one fish sits just outside its favourite
Polka Dot Loach— Everyone is close on temperature — one fish sits just outside its favourite
Port Cichlid— Some tankmates are at risk of being eaten
Purple Emperor Tetra— Everyone is close on temperature — one fish sits just outside its favourite
Rabbit Snail— Everyone is close on temperature — one fish sits just outside its favourite
Rainbow Cichlid— Everyone is close on temperature — one fish sits just outside its favourite
Rainbow Shark— Everyone is close on temperature — one fish sits just outside its favourite
Ramshorn Snail— Everyone is close on pH — one fish sits just outside its favourite
Red Rainbowfish— Everyone is close on temperature — one fish sits just outside its favourite
Red Whiptail Catfish— Everyone is close on temperature — one fish sits just outside its favourite
Red-Tail Shark— Some tankmates are at risk of being eaten
Redhead Cichlid— Everyone is close on temperature — one fish sits just outside its favourite
Rosy Barb— Everyone is close on temperature — one fish sits just outside its favourite
Rosy Tetra— Everyone is close on temperature — one fish sits just outside its favourite
Rummynose Tetra— Everyone is close on temperature — one fish sits just outside its favourite
Scissortail Rasbora— Some tankmates are at risk of being eaten
Serpae Tetra— Everyone is close on temperature — one fish sits just outside its favourite
Severum— Everyone is close on temperature — one fish sits just outside its favourite
Siamese Algae Eater— Some tankmates are at risk of being eaten
Silver Tip Tetra— Everyone is close on temperature — one fish sits just outside its favourite
Sparkling Gourami— Everyone is close on temperature — one fish sits just outside its favourite
Sterbai Corydoras— Everyone is close on temperature — one fish sits just outside its favourite
Strawberry Rasbora— Everyone is close on temperature — one fish sits just outside its favourite
Striped Kribensis— Everyone is close on temperature — one fish sits just outside its favourite
Sulawesi Cardinal Shrimp— Temperature is a compromise for someone here
Sunshine Peacock— Everyone is close on temperature — one fish sits just outside its favourite
Sveni Eartheater— Everyone is close on temperature — one fish sits just outside its favourite
T-Bar Cichlid— Everyone is close on temperature — one fish sits just outside its favourite
Thick-lipped Gourami— Everyone is close on temperature — one fish sits just outside its favourite
Threadfin Acara— Everyone is close on temperature — one fish sits just outside its favourite
Threadfin Rainbowfish— Everyone is close on temperature — one fish sits just outside its favourite
Three-spot Gourami— Everyone is close on temperature — one fish sits just outside its favourite
Tiger Barb— Everyone is close on temperature — one fish sits just outside its favourite
Turquoise Rainbowfish— Everyone is close on pH — one fish sits just outside its favourite
Upside-down Catfish— Everyone is close on temperature — one fish sits just outside its favourite
Vampire Shrimp— Everyone is close on temperature — one fish sits just outside its favourite
White Cloud Mountain Minnow— Everyone is close on temperature — one fish sits just outside its favourite
Wrestling Halfbeak— Everyone is close on temperature — one fish sits just outside its favourite
X-ray Tetra— Everyone is close on temperature — one fish sits just outside its favourite
Yoyo Loach— Everyone is close on temperature — one fish sits just outside its favourite

Avoid with Celestial Pearl Danio

Acei Cichlid— Only one pH value suits everyone — no margin
Adonis Pleco— Tank is too small for some species
African Butterflyfish— A predator will eat a tankmate
Altum Angelfish— No temperature suits every species here
Angelfish— A predator will eat a tankmate
Auratus Cichlid— Only one pH value suits everyone — no margin
Bala Shark— Tank is too small for some species
Black Moor Goldfish— No temperature suits every species here
Borleyi (Redfin Hap)— Only one pH value suits everyone — no margin
Brevis Shell Dweller— Only one pH value suits everyone — no margin
Brichardi (Fairy Cichlid)— No pH value suits every species here
Bumblebee Cichlid— No pH value suits every species here
Calvus Cichlid— No pH value suits every species here
Cardinal Tetra— Only one pH value suits everyone — no margin
Chocolate Gourami— Only one pH value suits everyone — no margin
Clown Loach— Tank is too small for some species
Cobalt Blue Zebra— No pH value suits every species here
Comet Goldfish— No temperature suits every species here
Common Goldfish— No temperature suits every species here
Common Pleco— Tank is too small for some species
Compressiceps Cichlid— No pH value suits every species here
Crystal Red Shrimp— Only one carbonate hardness (KH) value suits everyone — no margin
Cuckoo Catfish— Only one pH value suits everyone — no margin
Cylindricus Cichlid— Only one pH value suits everyone — no margin
Cyprichromis— No pH value suits every species here
Demasoni Cichlid— Only one pH value suits everyone — no margin
Demon Eartheater— Tank is too small for some species
Discus— No temperature suits every species here
Dogtooth Cichlid— Only one pH value suits everyone — no margin
Duboisi Tropheus— No pH value suits every species here
Dwarf Petricola Catfish— Only one pH value suits everyone — no margin
Electric Blue Ahli— No pH value suits every species here
Electric Yellow Lab— No pH value suits every species here
Elongate Mbuna— Only one pH value suits everyone — no margin
Endlicheri Bichir— Tank is too small for some species
Even-spotted Synodontis— Only one pH value suits everyone — no margin
Fantail Goldfish— No temperature suits every species here
Featherfin Squeaker— A predator will eat a tankmate
Figure-8 Puffer— A predator will eat a tankmate
Five-bar Cichlid— Only one pH value suits everyone — no margin
Frontosa— No pH value suits every species here
Goby Cichlid— No pH value suits every species here
Golden Julie— Only one pH value suits everyone — no margin
Golden Wonder Killifish— A predator will eat a tankmate
Green Discus— No temperature suits every species here
Green Spotted Pufferfish— Only one pH value suits everyone — no margin
Green Terror— A predator will eat a tankmate
Heckel Discus— No temperature suits every species here
Hongi Cichlid— Only one pH value suits everyone — no margin
Iridescent Shark— Tank is too small for some species
Jack Dempsey— A predator will eat a tankmate
Jaguar Cichlid— Tank is too small for some species
Jewel Cichlid— A predator will eat a tankmate
Johanni Cichlid— No pH value suits every species here
Kenyi Cichlid— No pH value suits every species here
Koi— No temperature suits every species here
Lemon Cichlid— Only one pH value suits everyone — no margin
Livingstoni— No pH value suits every species here
Maingano Cichlid— No pH value suits every species here
Malawi Eyebiter— Only one pH value suits everyone — no margin
Malawi Hawk— Only one pH value suits everyone — no margin
Marlieri Cichlid— Only one pH value suits everyone — no margin
Masked Julie— No pH value suits every species here
Molly— Only one pH value suits everyone — no margin
Multifasciatus Shell Dweller— Only one pH value suits everyone — no margin
Ocellatus Shell Dweller— Only one pH value suits everyone — no margin
Oranda Goldfish— No temperature suits every species here
Ornate Bichir— Tank is too small for some species
Oscar— Tank is too small for some species
Paradise Fish— A predator will eat a tankmate
Peacock Bass— Tank is too small for some species
Peacock Cichlid— Only one pH value suits everyone — no margin
Pictus Catfish— A predator will eat a tankmate
Pike Cichlid— Tank is too small for some species
Powder Blue Cichlid— No pH value suits every species here
Ranchu Goldfish— No temperature suits every species here
Red Devil— A predator will eat a tankmate
Red Empress— Only one pH value suits everyone — no margin
Red Terror— Tank is too small for some species
Red Zebra Cichlid— No pH value suits every species here
Regan's Julie— Only one pH value suits everyone — no margin
Reticulated Flying Fox— Tank is too small for some species
Rostratus— Only one pH value suits everyone — no margin
Rosy Red Minnow— No temperature suits every species here
Royal Pleco— Tank is too small for some species
Rusty Cichlid— Only one pH value suits everyone — no margin
Ryukin Goldfish— No temperature suits every species here
Sailfin Molly— No hardness (GH) value suits every species here
Sailfin Pleco— Tank is too small for some species
Salvini Cichlid— A predator will eat a tankmate
Sand-sifting Xenotilapia— No pH value suits every species here
Saulosi Cichlid— Only one pH value suits everyone — no margin
Shubunkin Goldfish— No temperature suits every species here
Silver Arowana— Tank is too small for some species
Silver Moony— Freshwater and brackish species cannot share a tank
Similis Shell Dweller— Only one pH value suits everyone — no margin
Spotted Hoplo— A predator will eat a tankmate
Star Sapphire— No pH value suits every species here
Striped Raphael Catfish— A predator will eat a tankmate
Swordtail— Only one hardness (GH) value suits everyone — no margin
Taiwan Reef Cichlid— No pH value suits every species here
Telescope Goldfish— No temperature suits every species here
Texas Cichlid— A predator will eat a tankmate
Threadfin Petrochromis— No pH value suits every species here
Tropheus— No pH value suits every species here
Uaru (Triangle Cichlid)— Only one temperature suits everyone — no margin
Venustus (Giraffe Cichlid)— Only one pH value suits everyone — no margin
Wolf Cichlid— Tank is too small for some species
Zebra Mbuna— Only one pH value suits everyone — no margin
Zebra Pleco— Only one temperature suits everyone — no margin

Frequently asked questions

What are the best tank mates for Celestial Pearl Danio?: Top engine-approved picks: Scarlet Badis, Thai Micro Crab, Blue Tiger Shrimp, Glowlight Danio, Pygmy Corydoras. Each shares a workable temperature and pH band with Celestial Pearl Danio and clears the temperament and predation checks in a spacious reference tank.
What fish should you avoid keeping with Celestial Pearl Danio?: The engine red-flags Acei Cichlid, Adonis Pleco, African Butterflyfish among others — for incompatible water, temperament conflict or predation risk. The avoid list above states the specific reason for each pairing.

Plan a Celestial Pearl Danio tank in the calculator