Badis
2 species- Scarlet(Dario dario)COMMON19 L · 40 cmSolitary male
22–26°C · 5–15 dGH · pH 6.5–7.5
- Blue(Badis badis)38 L · 50 cmSolitary male
23–26°C · 5–19 dGH · pH 6–8
- Group in a 20 gallon tank or larger
- Initially require live food
Stocking a 10 gallon aquarium
The data behind this page
The Fishkeeping Network
Stocking guidelines: which species fit a tank, the group sizes they need, and the warnings that come with them.
The Aquarium Wiki (theaquariumwiki.com)
Water chemistry requirements: the pH, hardness and temperature each species is kept in.
Used under CC BY-SA 3.0.
Your water (optional)
°C
dGH
Your plan
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10 Gallon / 38 Liter
23 groups fit
Assumes the standard 50 × 25 cm footprint. Dimensions matter more than volume, so if your tank is shorter, enter its dimensions above.
Fish
Barbs
1 species- Dwarf Ember(Barboides gracilis)38 L · 50 cmSchool 8+
21–26°C · 0–6 dGH · pH 6–7
Betta
14 species- Longfin Splendens(Betta splendens)COMMON19 L · 40 cmSolitary
24–28°C · 4–10 dGH · pH 6–7.8
Longfin (and Shortfin) splendens genetics are severely damaged
- Albimarginata(Betta albimarginata)38 L · 50 cmSolitary
21–28°C · 4–10 dGH · pH 5.5–7
- Anabatoides(Betta anabatoides)38 L · 50 cmSolitary
27–30°C · 1–5 dGH · pH 4.5–7.5
- Coccina(Betta coccina)38 L · 50 cmSolitary
24–28°C · 0–6 dGH · pH 4–6
- Dimidiata(Betta dimidiata)38 L · 50 cmSolitary
~24–28°C · ~2–10 dGH · ~pH 5.5–7
- Edithae(Betta edithae)38 L · 50 cmSolitary
~24–28°C · ~2–10 dGH · ~pH 5.5–7
- Potentially community compatible in larger tanks
- Rubra & Dennisyongi Solitary or Group
- Compatible with Snails & Clams, Potentially Compatible with Shrimp, incompatible with fish
Catfish
1 species- Dwarf Anchor/Asian Stone(Hara jerdoni)COMMON38 L · 50 cmShoal 6+
20–24°C · 8–12 dGH · pH 6.7–7.2
Corydoras
7 species- Cochui(Corydoras cochui)38 L · 50 cmShoal 6+
~22–26°C · ~2–12 dGH · ~pH 6–7.2
- Gracilis38 L · 50 cmShoal 6+
~22–26°C · ~2–12 dGH · ~pH 6–7.2
- Polystictus(Corydoras polystictus)38 L · 50 cmShoal 6+
20–25°C · 2–18 dGH · pH 6–7.6
- Pygmy(Corydoras pygmaeus)COMMON38 L · 50 cmShoal 6+
22–26°C · 6–16 dGH · pH 6–8
- Salt & Pepper/Habrosus(Corydoras habrosus)COMMON38 L · 50 cmShoal 6+
22–26°C · 8–15 dGH · pH 6.2–7.2
- Sixray(Aspidoras pauciradiatus)38 L · 50 cmShoal 6+
22–25°C · 3–12 dGH · pH 6–7.2
- Heavily prefer sand
Danios
2 species- Ethereal(Danionella cerebrum)19 L · 40 cmShoal 6+
~20–25°C · ~5–12 dGH · ~pH 6.5–7.5
- Celestial Pearl(Danio margaritatus)COMMON38 L · 50 cmShoal 6+
20–26°C · 8–12 dGH · pH 5.7–8
Gobies
6 species- Annie's(Stiphodon annieae)38 L · 50 cmHarem
~23–28°C · ~5–12 dGH · ~pH 6.5–8
- Lumbantobing(Pseudogobiopsis lumbantobing)38 L · 50 cmGroup 3+
~22–26°C · ~6–14 dGH · ~pH 6.5–7.5
- Red Spotted(Rhinogobius rubromaculatus)38 L · 50 cmPair
~15–25°C · ~6–16 dGH · ~pH 7.5–8
- Rhino Horn(Redigobius balteatus)38 L · 50 cmGroup 3+
~22–26°C · ~6–14 dGH · ~pH 7–8
- Tiger Dwarf(Mugilogobius tigrinus)BRACKISH38 L · 50 cmGroup 3+
~22–26°C · ~6–14 dGH · ~pH 7.2–8.2
- True Freshwater Bumblebee(Brachygobius xanthomelas)38 L · 50 cmGroup 3+
~22–29°C · ~8–12 dGH · ~pH 8–8.2
Gourami
3 species- Dwarf/Powder Blue(Trichogaster lalius)COMMON38 L · 50 cmSolitary or Harem
22–28°C · 4–13 dGH · pH 6.5–7.5
Very susceptible to iridovirus
Common strains have extremely compromised genetics due to inbreeding, so they aren't advisable unless sourced with extreme discretion
- Honey(Colisa chuna)COMMON38 L · 50 cmSolitary Honey Gourami or Red Robin Gourami can fit in Fluval Flex 15
22–26°C · 6–10 dGH · pH 6.5–7.5
Often confused with Thick Lipped
Common strains have extremely compromised genetics due to inbreeding, so they aren't advisable unless sourced with extreme discretion
- Red Robin(Trichogaster chuna)38 L · 50 cmSolitary Honey Gourami or Red Robin Gourami can fit in Fluval Flex 15
22–26°C · 6–10 dGH · pH 6.5–7.5
Often confused with Thick Lipped
Indostomus
1 species- Paradox Fish/Armored Stickleback/Toothpick Fish(Indostomus paradoxus)19 L · 40 cmTrio
24–28°C · 6–10 dGH · pH 6.5–7.5
- Require live food
- Require a very heavily planted tank
Killifish
10 species- Bluefin Notho(Nothobranchius rachovii)NothobranchiusCOMMON19 L · 40 cmLeast Shoaling (6+)
20–24°C · 3–10 dGH · pH 6–7
- Egger's(Nothobranchius eggersi)Nothobranchius19 L · 40 cmLeast Shoaling (6+)
24–28°C · 10–25 dGH · pH 7–8.2
- Foerschi(Nothobranchius foerschi)Nothobranchius19 L · 40 cmLeast Shoaling (6+)
22–26°C · 10–25 dGH · pH 6.5–7.5
- Gunther's(Nothobranchius guentheri)Nothobranchius19 L · 40 cmLeast Shoaling (6+)
22–25°C · 5–20 dGH · pH 7–8
- KisakiNothobranchius19 L · 40 cmLeast Shoaling (6+)
~22–27°C · ~10–25 dGH · ~pH 6.75–7.75
- Korthausae(Nothobranchius korthausae)Nothobranchius19 L · 40 cmLeast Shoaling (6+)
~22–27°C · ~10–25 dGH · ~pH 6.75–7.75
- Nothobranchius Pairs (Trio or Small Harem in a 10 gallon tank or larger, Large Harem in a 20 long tank)
Livebearers
16 species- Least Killifish(Heterandria formosa)COMMON19 L · 40 cmShoal 6+
16–24°C · 5–20 dGH · pH 7–8
Not killifish, they are livebearers
- Tiger Teddy(Neoheterandria elegans)19 L · 40 cmShoal 6+
~23–28°C · ~pH 7–8
- Bifurca Guppy(Micropoecilia bifurca)38 L · 50 cmShoal 6+
~23–28°C · ~pH 7–8
- Blackstripe Porthole(Poeciliopsis prolifica)38 L · 50 cmShoal 6+
~23–28°C · ~pH 7–8
- Branneri Guppy(Micropoecilia branneri)38 L · 50 cmShoal 6+
~23–28°C · ~pH 6.3–7.3
- Dusky Millions(Phalloceros caudimaculatus)38 L · 50 cmShoal 6+
25–28°C · 9–19 dGH · pH 7–8
- Guppies Males Only
Otocinclus
5 species- Bumblebee38 L · 50 cmShoal 6+
~21–26°C · ~8–20 dGH · ~pH 6–8
- Common(Otocinclus vittatus)COMMON38 L · 50 cmShoal 6+
21–26°C · 6–10 dGH · pH 5.5–7.5
- Haroldoi/Dwarf Pleco38 L · 50 cmShoal 6+
~21–26°C · ~8–20 dGH · ~pH 6–8
Not Plecostomus, they are a species of Otocinclus
- Robocop38 L · 50 cmShoal 6+
~21–26°C · ~8–20 dGH · ~pH 6–8
- Tiger(Otocinclus cocama)38 L · 50 cmShoal 6+
21–24°C · 8–12 dGH · pH 6–7.5
- Most Otocinclus are purchased with dead gut bacteria.
- Require a mature tank (1 Year +) OR 24/7 powdered food access + BacterAE
Pencilfish
1 species- Miniature(Nannostomus anduzei)38 L · 50 cmSchool 8+
~24–28°C · ~4–8 dGH · ~pH 5.5–7
Pygmy Sunfish
7 species- Alabamae(Elassoma alabamae)11 L · 22 cmSolitary
~10–25°C · ~6–16 dGH · ~pH 6–7.5
- Boehlkei(Elassoma boehlkei)11 L · 22 cmSolitary
10–25°C · 6–16 dGH · pH 5.5–7.2
- Evergladei(Elassoma evergladei)11 L · 22 cmSolitary
10–30°C · 3–15 dGH · pH 6–8
- Gilberti(Elassoma gilberti)11 L · 22 cmSolitary
15–24°C · 5–12 dGH · pH 6.5–7.5
- Okatie(Elassoma okatie)11 L · 22 cmSolitary
10–23°C · 6–16 dGH · pH 6.5–7.5
- Okefenokee(Elassoma okefenokee)11 L · 22 cmSolitary
4–30°C · 6–20 dGH · pH 6–8
- Colonies permissible in extremely dense tanks
- Require Live Food
- Require a very heavily planted tank
Rasboras
8 species- Chili(Boraras brigittae)COMMON38 L · 50 cmSchool 8+
25–28°C · 8–10 dGH · pH 6.5–7
- Galaxy(Danio margaritatus)COMMON38 L · 50 cmSchool 8+
20–26°C · 8–12 dGH · pH 5.7–8
- Neon Blue(Sundadanio axelrodi)COMMON38 L · 50 cmSchool 8+
23–26°C · 2–10 dGH · pH 6–6.5
- Neon Green(Microdevario kubotai)COMMON38 L · 50 cmSchool 8+
20–27°C · 8–10 dGH · pH 6–7
- Neon Red(Sundadanio rubellus)COMMON38 L · 50 cmSchool 8+
~23–26°C · ~6–12 dGH · ~pH 5–6
- Phoenix(Boraras merah)COMMON38 L · 50 cmSchool 8+
25–28°C · 8–10 dGH · pH 6.5–7
Ricefish
4 species- Daisy's(Oryzias woworae)38 L · 50 cmShoal 6+
24–27°C · 5–12 dGH · pH 6.5–7.5
- Indian Blue(Oryzias dancena)38 L · 50 cmShoal 6+
~23–26°C · ~7–14 dGH · ~pH 7–7.75
- Javanese(Oryzias javanicus)38 L · 50 cmShoal 6+
~23–26°C · ~7–14 dGH · ~pH 7–7.75
- Pectoral Spot(Oryzias pectoralis)38 L · 50 cmShoal 6+
~23–26°C · ~7–14 dGH · ~pH 7–7.75
Tetras
9 species- Adonis(Lepidarchus adonis)38 L · 50 cmSchool 8+
22–26°C · 4–8 dGH · pH 5.8–6.5
- Dwarf Blue(Tyttocharax cochui)38 L · 50 cmSchool 8+
~23–27°C · ~5–12 dGH · ~pH 6–7
- Ember(Hyphessobrycon amandae)COMMON38 L · 50 cmSchool 8+
24–28°C · 6–10 dGH · pH 6.5–7
- Gold Neon(Paracheirodon innesi)38 L · 50 cmSchool 8+
22–26°C · 4–10 dGH · pH 4.6–7.6
- Green Neon(Paracheirodon simulans)COMMON38 L · 50 cmSchool 8+
23–27°C · 4–6 dGH · pH 5.5–6
- Hummingbird(Characidium rachovii)38 L · 50 cmSchool 8+
20–24°C · 10–25 dGH · pH 5.6–7.5
Invertebrates
Clams/Mussels
1 species- Clams/Mussels(Anodonta anatina)11 L · 22 cmSolitary or Groups
22–28°C · 8–10 dGH · pH 6.5–8
Crabs
4 species- Pom Pom(Ptychognathus barbatus)11 L · 22 cmSolitary or Groups
~22–27°C · ~8–12 dGH · ~pH 6.5–7.5
Very difficult to keep
- Thai Micro(Limnopilos naiyanetri)COMMON11 L · 22 cmSolitary or Groups
22–26°C · 8–12 dGH · pH 7.2–8
- Blue Legged Hermit(Clibanarius tricolor)COMMONBRACKISH19 L · 40 cmSolitary; Groups
22–26°C · 8–12 dGH · pH 8.1–8.4
- Ghost Dwarf19 L · 40 cmSolitary; Groups
~22–27°C · ~8–12 dGH · ~pH 7–8
Crayfish
3 species- Amano(Caridina multidentata)ShrimpCOMMON38 L · 50 cmGroup
18–27°C · 6–10 dGH · pH 6–7.5
Need brackish to breed
- Cambarellus(Cambarellus patzcuarensis)38 L · 50 cmSolitary, Pair
22–24°C · 12–14 dGH · pH 7.5–8
- Dwarf Orange/Mexican(Cambarellus patzcuarensis)COMMON38 L · 50 cmSolitary, Pair
22–24°C · 12–14 dGH · pH 7.5–8
- Group in a 15g/20h tank
- Crayfish aggression is based on individual personality
- Crayfish illegal in UK
Scuds
1 species- Scuds(Hyalella azteca)11 L · 22 cmGroup
10–26°C · 8–18 dGH · pH 6.5–8.5
- Can be kept in smaller tanks
Shrimp
7 species- Amazon Zebra(Euryrhynchus amazoniensis)11 L · 22 cmGroup
~3–10 dGH · ~pH 5–6
- Caridina(Caridina multidentata)COMMON11 L · 22 cmGroup
18–27°C · 6–10 dGH · pH 6–7.5
- Fairy11 L · 22 cmGroup
~3–10 dGH · ~pH 7–8
Fairy Shrimp can be kept in Smaller Tanks
- Ghost(Palaemonetes paludosus)COMMON11 L · 22 cmGroup
20–29°C · 3–10 dGH · pH 7–8
- Halocaridina/Opae Ula(Halocaridina rubra)BRACKISH11 L · 22 cmGroup
22–28°C · 2–15 dGH · pH 7.5–8
- Neocaridina/Cherry(Neocaridina heteropoda)COMMON11 L · 22 cmGroup
22–28°C · 8–12 dGH · pH 6.4–8.4
Snails
19 species- Assassin(Anentome helena)COMMON11 L · 22 cmSolitary or Groups
23–27°C · 8–15 dGH · pH 7.2–8
Actively eat other snails, eggs, and recently molted invertebrates
- Bladder(Physa acuta)COMMON11 L · 22 cmSolitary or Groups
18–25°C · 6–12 dGH · pH 7.2–8.5
- Hairy(Thiara cancellata)11 L · 22 cmSolitary or Groups
22–26°C · 8–15 dGH · ~pH 7–8
- Limpet Nerite(Septaria porcellana)11 L · 22 cmSolitary or Groups
23–28°C · 8–15 dGH · ~pH 7–8
- Malaysian Trumpet(Melanoides tuberculata)COMMON11 L · 22 cmSolitary or Groups
18–30°C · 6–15 dGH · pH 7–8
- Mud11 L · 22 cmSolitary or Groups
~8–15 dGH · ~pH 7–8
- All except Assassin, Limpet Nerite, & Hairy Reproduce Asexually
The stocking planner tells you if your tank plan can work, but it cannot say how hard it will be to maintain.
To figure out what it will actually take to keep your tank healthy long term given your specific tank setup, water type, environment, etc. you can run your tank through the simulator.