Best for 10-Gallon Tanks

Small, colorful species that thrive in nano and 10-gallon setups.

Neon Tetra

Paracheirodon innesi

Easy

70-81°FpH 6-710+ gal

peacefulschooling 6+1.5"

Cardinal Tetra

Paracheirodon axelrodi

Easy

73-81°FpH 4.5-6.510+ gal

peacefulschooling 6+2"

Ember Tetra

Hyphessobrycon amandae

Easy

73-84°FpH 5.5-75+ gal

peacefulschooling 8+0.8"

Black Neon Tetra

Hyphessobrycon herbertaxelrodi

Easy

73-81°FpH 5.5-7.510+ gal

peacefulschooling 6+1.6"

Betta Fish

Betta splendens

Easy

76-82°FpH 6.5-7.55+ gal

semi-aggressive3"

Guppy

Poecilia reticulata

Easy

72-82°FpH 6.8-7.810+ gal

peacefulschooling 3+2.5"

Endler's Livebearer

Poecilia wingei

Easy

72-82°FpH 6.5-85+ gal

peacefulschooling 3+1.5"

Platy

Xiphophorus maculatus

Easy

70-80°FpH 7-810+ gal

peacefulschooling 3+3"

Panda Corydoras

Corydoras panda

Easy

68-77°FpH 6-7.510+ gal

peacefulschooling 6+2"

Julii Corydoras

Corydoras julii

Easy

72-79°FpH 6-7.510+ gal

peacefulschooling 6+2.5"

Otocinclus Catfish

Otocinclus vittatus

Easy

72-79°FpH 6-7.510+ gal

peacefulschooling 4+2"

Cherry Shrimp

Neocaridina davidi

Easy

65-80°FpH 6.5-85+ gal

peacefulschooling 6+1.5"

Amano Shrimp

Caridina multidentata

Easy

68-80°FpH 6.5-7.510+ gal

peacefulschooling 4+2"

Nerite Snail

Neritina natalensis

Easy

72-78°FpH 7-8.55+ gal

peaceful1"

Mystery Snail

Pomacea bridgesii

Easy

68-82°FpH 7-85+ gal

peaceful2.5"

Harlequin Rasbora

Trigonostigma heteromorpha

Easy

72-81°FpH 6-7.510+ gal

peacefulschooling 6+2"

Chili Rasbora

Boraras brigittae

Easy

72-82°FpH 5-75+ gal

peacefulschooling 10+0.8"

Celestial Pearl Danio

Danio margaritatus

Easy

72-79°FpH 6.5-7.510+ gal

peacefulschooling 6+1"

Zebra Danio

Danio rerio

Easy

64-77°FpH 6.5-7.510+ gal

peacefulschooling 6+2.5"

Honey Gourami

Trichogaster chuna

Easy

72-82°FpH 6-7.510+ gal

peaceful2"

Dwarf Gourami

Trichogaster lalius

Easy

72-82°FpH 6-7.510+ gal

semi-aggressive3.5"

Cherry Barb

Puntius titteya

Easy

73-81°FpH 6-7.510+ gal

peacefulschooling 6+2"

White Cloud Mountain Minnow

Tanichthys albonubes

Easy

57-72°FpH 6-810+ gal

peacefulschooling 6+1.5"

Dwarf Pea Puffer

Carinotetraodon travancoricus

Medium

74-82°FpH 6.5-7.55+ gal

semi-aggressive1"

Scarlet Badis

Dario dario

Medium

72-79°FpH 6.5-7.55+ gal

peaceful0.8"

Green Neon Tetra

Paracheirodon simulans

Easy

75-82°FpH 4.5-6.510+ gal

peacefulschooling 10+1"

Glowlight Tetra

Hemigrammus erythrozonus

Easy

74-82°FpH 6-7.510+ gal

peacefulschooling 6+1.6"

Bronze Corydoras

Corydoras aeneus

Easy

72-79°FpH 6-810+ gal

peacefulschooling 6+2.75"

Pygmy Corydoras

Corydoras pygmaeus

Easy

72-79°FpH 6-7.55+ gal

peacefulschooling 8+1"

Peppered Corydoras

Corydoras paleatus

Easy

64-75°FpH 6-7.510+ gal

peacefulschooling 6+2.5"

Sparkling Gourami

Trichopsis pumila

Easy

76-82°FpH 6-7.55+ gal

peaceful1.5"

Lemon Tetra

Hyphessobrycon pulchripinnis

Easy

73-82°FpH 5.5-7.510+ gal

peacefulschooling 6+2"

Penguin Tetra

Thayeria boehlkei

Easy

72-82°FpH 6-7.510+ gal

peacefulschooling 6+3"

Bloodfin Tetra

Aphyocharax anisitsi

Easy

64-82°FpH 6-810+ gal

peacefulschooling 6+2.2"

Flame Tetra

Hyphessobrycon flammeus

Easy

72-82°FpH 6-7.55+ gal

peacefulschooling 6+1.5"

X-Ray Tetra

Pristella maxillaris

Easy

72-82°FpH 6-810+ gal

peacefulschooling 6+2"

Head and Tail Light Tetra

Hemigrammus ocellifer

Easy

72-82°FpH 6-7.510+ gal

peacefulschooling 6+2"

Silvertip Tetra

Hasemania nana

Easy

72-82°FpH 6-7.510+ gal

peacefulschooling 6+2"

Colombian Tetra

Hyphessobrycon columbianus

Easy

72-82°FpH 6-7.510+ gal

semi-aggressiveschooling 6+2.5"

Red Eye Tetra

Moenkhausia sanctaefilomenae

Easy

72-82°FpH 6-7.510+ gal

peacefulschooling 6+2.8"

Phantom Tetra Black

Hyphessobrycon megalopterus

Easy

72-82°FpH 6-7.510+ gal

peacefulschooling 6+1.8"

Phantom Tetra Red

Hyphessobrycon sweglesi

Easy

72-82°FpH 6-7.55+ gal

peacefulschooling 6+1.5"

Gold Tetra

Hemigrammus rodwayi

Easy

75-82°FpH 6-7.55+ gal

peacefulschooling 6+1.5"

Splashing Tetra

Copella arnoldi

Easy

75-82°FpH 6-710+ gal

peacefulschooling 4+3"

Pencilfish

Nannostomus beckfordi

Easy

75-82°FpH 5.5-710+ gal

peacefulschooling 6+2.5"

Dwarf Pencilfish

Nannostomus marginatus

Easy

75-82°FpH 5-75+ gal

peacefulschooling 8+1.4"

Coral Red Pencilfish

Nannostomus mortenthaleri

Medium

75-82°FpH 5-6.55+ gal

peacefulschooling 8+1.2"

Emperor Tetra

Nematobrycon palmeri

Easy

73-81°FpH 6-7.510+ gal

peacefulschooling 6+2"

Blue Emperor Tetra

Inpaichthys kerri

Easy

73-81°FpH 6-75+ gal

peacefulschooling 6+1.5"

Red Phantom Tetra

Hyphessobrycon sweglesi

Easy

72-82°FpH 6-75+ gal

peacefulschooling 6+1.5"

Columbian Red Fin Tetra

Hyphessobrycon columbianus

Easy

72-82°FpH 6-7.510+ gal

semi-aggressiveschooling 6+2.5"

Gold Barb

Barbodes semifasciolatus

Easy

64-75°FpH 6-7.510+ gal

peacefulschooling 6+3"

Odessa Barb

Pethia padamya

Easy

72-79°FpH 6.5-7.510+ gal

peacefulschooling 6+2.5"

Five Banded Barb

Desmopuntius pentazona

Easy

72-82°FpH 5.5-710+ gal

peacefulschooling 6+2"

Checker Barb

Oliotius oligolepis

Easy

68-77°FpH 6-710+ gal

peacefulschooling 6+2"

Ticto Barb

Pethia ticto

Easy

72-79°FpH 6.5-7.510+ gal

peacefulschooling 6+2"

Melon Barb

Haludaria fasciata

Easy

72-79°FpH 6-710+ gal

peacefulschooling 6+3"

Snakeskin Barb

Desmopuntius rhomboocellatus

Easy

72-82°FpH 6-710+ gal

peacefulschooling 6+2"

Pearl Danio

Danio albolineatus

Easy

64-77°FpH 6.5-7.510+ gal

peacefulschooling 6+2.5"

Leopard Danio

Danio rerio frankei

Easy

64-77°FpH 6.5-7.510+ gal

peacefulschooling 6+2.5"

Glowlight Danio

Celestichthys choprae

Easy

72-79°FpH 6.5-7.55+ gal

peacefulschooling 8+1.2"

Lambchop Rasbora

Trigonostigma espei

Easy

73-82°FpH 5.5-75+ gal

peacefulschooling 8+1.5"

Dwarf Rasbora

Boraras maculatus

Easy

72-79°FpH 5.5-75+ gal

peacefulschooling 10+1"

Exclamation Point Rasbora

Boraras urophthalmoides

Easy

75-82°FpH 5-75+ gal

peacefulschooling 10+0.8"

Phoenix Rasbora

Boraras merah

Easy

72-82°FpH 5-75+ gal

peacefulschooling 10+0.8"

Emerald Dwarf Rasbora

Celestichthys erythromicron

Easy

72-76°FpH 7-85+ gal

peacefulschooling 8+1"

Balloon Molly

Poecilia sphenops var.

Easy

72-82°FpH 7-8.510+ gal

peacefulschooling 3+3"

Lyretail Guppy

Poecilia reticulata var.

Easy

72-82°FpH 7-810+ gal

peacefulschooling 3+2"

Variatus Platy

Xiphophorus variatus

Easy

68-77°FpH 7-810+ gal

peacefulschooling 3+2.5"

Mosquitofish

Gambusia affinis

Easy

60-80°FpH 6.5-810+ gal

semi-aggressive2.5"

Least Killifish

Heterandria formosa

Easy

68-78°FpH 7-85+ gal

peacefulschooling 4+1.2"

Asian Stone Catfish

Hara jerdoni

Medium

64-75°FpH 5.5-7.55+ gal

peacefulschooling 3+1.3"

Bumblebee Catfish

Microglanis iheringi

Easy

72-79°FpH 6.5-7.510+ gal

peaceful3"

Corydoras Habrosus

Corydoras habrosus

Easy

72-79°FpH 6-7.55+ gal

peacefulschooling 8+1"

Corydoras Hastatus

Corydoras hastatus

Easy

72-79°FpH 6-7.55+ gal

peacefulschooling 8+1"

Corydoras Adolfoi

Corydoras adolfoi

Easy

72-79°FpH 6-710+ gal

peacefulschooling 6+2.2"

Emerald Corydoras

Corydoras splendens

Easy

72-82°FpH 6-7.510+ gal

peacefulschooling 6+3"

Bandit Corydoras

Corydoras metae

Easy

72-79°FpH 6-7.510+ gal

peacefulschooling 6+2"

Skunk Corydoras

Corydoras arcuatus

Easy

72-79°FpH 6-7.510+ gal

peacefulschooling 6+2"

Salt and Pepper Corydoras

Corydoras habrosus

Easy

72-79°FpH 6-7.55+ gal

peacefulschooling 8+1"

Chocolate Gourami

Sphaerichthys osphromenoides

Hard

77-86°FpH 4-610+ gal

peaceful2.5"

Licorice Gourami

Parosphromenus deissneri

Hard

72-79°FpH 4-65+ gal

peaceful1.5"

Samurai Gourami

Chocolate Gourami

Hard

77-84°FpH 4-610+ gal

peaceful2"

Rosy Loach

Petruichthys sp.

Easy

72-79°FpH 6.5-7.55+ gal

peacefulschooling 6+1"

Neon Dwarf Rainbowfish

Melanotaenia praecox

Easy

72-82°FpH 6.5-7.510+ gal

peacefulschooling 6+3"

Forktail Rainbowfish

Pseudomugil furcatus

Easy

75-82°FpH 7-810+ gal

peacefulschooling 6+2"

Celebes Rainbowfish

Marosatherina ladigesi

Easy

72-82°FpH 7-810+ gal

peacefulschooling 6+3"

Gertrude's Blue Eye

Pseudomugil gertrudae

Easy

75-82°FpH 5.5-7.55+ gal

peacefulschooling 6+1.5"

Demasoni Cichlid

Pseudotropheus demasoni

Medium

75-82°FpH 7.5-8.510+ gal

aggressiveschooling 12+3"

Shell Dweller

Neolamprologus multifasciatus

Easy

75-82°FpH 7.5-910+ gal

semi-aggressiveschooling 4+2"

Clown Killifish

Epiplatys annulatus

Easy

72-79°FpH 6-75+ gal

peacefulschooling 4+1.5"

Nothobranchius Rachovii

Nothobranchius rachovii

Medium

68-75°FpH 6-710+ gal

peaceful2"

Aphyosemion Australe

Aphyosemion australe

Easy

68-77°FpH 6-710+ gal

peaceful2.5"

Gardneri Killifish

Fundulopanchax gardneri

Easy

72-79°FpH 6-710+ gal

semi-aggressive2.5"

Blue Velvet Shrimp

Neocaridina davidi var. blue

Easy

65-80°FpH 6.5-85+ gal

peacefulschooling 6+1.5"

Crystal Red Shrimp

Caridina cantonensis

Medium

68-74°FpH 6-6.85+ gal

peacefulschooling 6+1.2"

Blue Bolt Shrimp

Caridina cantonensis var.

Hard

68-74°FpH 5.5-6.55+ gal

peacefulschooling 6+1.2"

Orange Sakura Shrimp

Neocaridina davidi var. orange

Easy

65-80°FpH 6.5-85+ gal

peacefulschooling 6+1.5"

Ghost Shrimp

Palaemonetes paludosus

Easy

65-82°FpH 7-810+ gal

peacefulschooling 4+2"

Red Rili Shrimp

Neocaridina davidi var. rili

Easy

65-80°FpH 6.5-85+ gal

peacefulschooling 6+1.5"

Yellow Shrimp

Neocaridina davidi var. yellow

Easy

65-80°FpH 6.5-85+ gal

peacefulschooling 6+1.5"

Assassin Snail

Clea helena

Easy

72-82°FpH 6.5-7.510+ gal

peaceful3"

Ramshorn Snail

Planorbella duryi

Easy

65-82°FpH 7-85+ gal

peaceful1"

Malaysian Trumpet Snail

Melanoides tuberculata

Easy

70-82°FpH 7-85+ gal

peaceful1.5"

Japanese Trapdoor Snail

Cipangopaludina japonica

Easy

60-80°FpH 7-810+ gal

peaceful2.5"

Wild Betta Imbellis

Betta imbellis

Easy

72-82°FpH 5.5-710+ gal

peaceful2"

Betta Smaragdina

Betta smaragdina

Easy

72-82°FpH 6-7.510+ gal

peaceful2.5"

Indian Glassfish

Parambassis ranga

Easy

68-82°FpH 7-810+ gal

peacefulschooling 5+3"

Hatchetfish

Carnegiella strigata

Medium

75-82°FpH 5.5-75+ gal

peacefulschooling 6+1.5"

Silver Hatchetfish

Gasteropelecus sternicla

Easy

72-82°FpH 6-710+ gal

peacefulschooling 6+2.5"

Wrestling Halfbeak

Dermogenys pusilla

Easy

75-82°FpH 7-810+ gal

semi-aggressiveschooling 3+2.5"

Pristella Tetra

Pristella maxillaris

Easy

72-82°FpH 6-810+ gal

peacefulschooling 6+2"

Bleeding Heart Tetra

Hyphessobrycon erythrostigma

Easy

72-82°FpH 6-710+ gal

peacefulschooling 6+3"

Costello Tetra

Hemigrammus hyanuary

Easy

72-82°FpH 6-7.510+ gal

peacefulschooling 6+1.8"

Loreto Tetra

Hyphessobrycon loretoensis

Easy

72-82°FpH 5.5-75+ gal

peacefulschooling 8+1.5"

Blue Tetra

Boehlkea fredcochui

Easy

72-82°FpH 6-710+ gal

peacefulschooling 6+2"

Black Ruby Barb

Pethia nigrofasciata

Easy

72-79°FpH 6-710+ gal

peacefulschooling 6+2.5"

Panda Barb

Haludaria fasciata

Easy

72-79°FpH 6-710+ gal

peacefulschooling 6+2.5"

Golden Barb

Barbodes semifasciolatus

Easy

64-75°FpH 6-7.510+ gal

peacefulschooling 6+3"

Rhombo Barb

Desmopuntius rhomboocellatus

Easy

72-82°FpH 6-710+ gal

peacefulschooling 6+2"

Venezuelan Corydoras

Corydoras venezuelanus

Easy

72-79°FpH 6-7.510+ gal

peacefulschooling 6+2.5"

Three Stripe Corydoras

Corydoras trilineatus

Easy

72-79°FpH 6-7.510+ gal

peacefulschooling 6+2.5"

Albino Corydoras

Corydoras aeneus albino

Easy

72-79°FpH 6-810+ gal

peacefulschooling 6+2.75"

Schwartzi Corydoras

Corydoras schwartzi

Easy

72-79°FpH 6-7.510+ gal

peacefulschooling 6+2.5"

Laser Corydoras

Corydoras aeneus laser

Easy

72-79°FpH 6-7.510+ gal

peacefulschooling 6+2.5"

Ram Balloon

Mikrogeophagus ramirezi balloon

Medium

78-86°FpH 5.5-710+ gal

peaceful2.5"

Gold Ram

Mikrogeophagus ramirezi gold

Medium

78-86°FpH 5.5-710+ gal

peaceful3"

Apistogramma Borellii

Apistogramma borellii

Easy

72-79°FpH 6-7.510+ gal

semi-aggressive3"

Nanochromis Parilus

Nanochromis parilus

Medium

75-82°FpH 6-710+ gal

semi-aggressive3"

Hillstream Butterfly Loach

Beaufortia kweichowensis

Easy

65-75°FpH 6.5-7.510+ gal

peacefulschooling 3+3"

Celebes Rainbow

Marosatherina ladigesi

Easy

72-82°FpH 7-810+ gal

peacefulschooling 6+3"

Blue Dream Shrimp

Neocaridina davidi var. blue dream

Easy

65-80°FpH 6.5-85+ gal

peacefulschooling 6+1.5"

Green Jade Shrimp

Neocaridina davidi var. green jade

Easy

65-80°FpH 6.5-85+ gal

peacefulschooling 6+1.5"

Snowball Shrimp

Neocaridina zhangjiajiensis

Easy

65-78°FpH 6.5-7.55+ gal

peacefulschooling 6+1.5"

Black King Kong Shrimp

Caridina cantonensis var.

Hard

68-74°FpH 5.5-6.55+ gal

peacefulschooling 6+1.2"

Tiger Shrimp

Caridina cantonensis tiger

Easy

68-76°FpH 6-75+ gal

peacefulschooling 6+1.3"

Cardinal Sulawesi Shrimp

Caridina dennerli

Hard

78-86°FpH 7.5-8.55+ gal

peacefulschooling 6+1"

Thai Micro Crab

Limnopilos naiyanetri

Medium

72-82°FpH 6.5-7.55+ gal

peacefulschooling 3+0.4"

Bumblebee Goby

Brachygobius doriae

Easy

75-82°FpH 7-8.55+ gal

peaceful1.5"

Peacock Gudgeon

Tateurndina ocellicauda

Easy

72-79°FpH 6.5-7.510+ gal

peacefulschooling 4+3"

Figure 8 Puffer

Dichotomyctere ocellatus

Medium

75-82°FpH 7-810+ gal

semi-aggressive3"

Amazon Puffer

Colomesus asellus

Medium

72-82°FpH 6-7.510+ gal

semi-aggressiveschooling 3+3"

Otocinclus Cocama

Otocinclus cocama

Easy

72-79°FpH 6-7.510+ gal

peacefulschooling 4+1.8"

Blue Lyretail Killifish

Fundulopanchax gardneri

Easy

72-79°FpH 6-710+ gal

semi-aggressive2.5"

Red Striped Killifish

Aphyosemion striatum

Medium

68-77°FpH 6-710+ gal

peaceful2"

Steel Blue Killifish

Fundulopanchax gardneri nigerianus

Easy

72-79°FpH 6-710+ gal

semi-aggressive2.5"

Chocolate Australe

Aphyosemion australe chocolate

Easy

68-77°FpH 6-710+ gal

peaceful2.5"

Norman's Lampeye

Poropanchax normani

Easy

72-82°FpH 6.5-7.55+ gal

peacefulschooling 8+1.5"

Black Bar Endler

Poecilia wingei black bar

Easy

72-82°FpH 7-85+ gal

peacefulschooling 3+1.5"

Tiger Endler

Poecilia wingei tiger

Easy

72-82°FpH 7-85+ gal

peacefulschooling 3+1.5"

Scarlet Livebearer

Micropoecilia picta

Easy

75-82°FpH 7-85+ gal

peacefulschooling 4+1.2"

Wild Type Guppy

Poecilia reticulata wild

Easy

72-82°FpH 7-810+ gal

peacefulschooling 3+2"

Limia Nigrofasciata

Limia nigrofasciata

Easy

72-82°FpH 7-8.510+ gal

peacefulschooling 4+2.5"

Priapella Intermedia

Priapella intermedia

Easy

72-79°FpH 7-810+ gal

peacefulschooling 4+2.5"

Siamese Fighting Fish Female

Betta splendens female

Easy

76-82°FpH 6.5-7.510+ gal

peacefulschooling 4+2.5"

African Dwarf Frog

Hymenochirus boettgeri

Easy

72-82°FpH 6.5-7.510+ gal

peacefulschooling 3+2.5"

Apistogramma Hongsloi

Apistogramma hongsloi

Medium

72-82°FpH 6-710+ gal

semi-aggressive3"

Apistogramma Macmasteri

Apistogramma macmasteri

Easy

72-82°FpH 6-710+ gal

semi-aggressive3"

Apistogramma Trifasciata

Apistogramma trifasciata

Medium

72-82°FpH 5.5-710+ gal

semi-aggressive2.5"

Apistogramma Panduro

Apistogramma panduro

Medium

72-82°FpH 5.5-710+ gal

semi-aggressive3"

Goby Cichlid

Spathodus erythrodon

Medium

75-82°FpH 8-910+ gal

semi-aggressive3"

Indian Puffer

Carinotetraodon travancoricus

Medium

74-82°FpH 6.5-7.55+ gal

semi-aggressive1"

South American Puffer

Colomesus asellus

Medium

72-82°FpH 6-7.510+ gal

semi-aggressiveschooling 3+3"

Dwarf Crayfish

Cambarellus patzcuarensis

Easy

65-77°FpH 7-810+ gal

semi-aggressive2"

Thai Micro Spider Crab

Limnopilos naiyanetri

Medium

72-82°FpH 6.5-7.55+ gal

peacefulschooling 3+0.4"