Peaceful community fish: R
All community fish whose common name starts with R, in alphabetical order. Each card links to its care guide.
67 species
Rainbow cichlid
Herotilapia multispinosa
Freshwater6.3 in (16 cm) · 26 gal (100 L)72–82°F (22–28°C)
Rainbow darter
Etheostoma caeruleum
Freshwater2.8 in (7 cm) · 25 gal (95 L)50–64°F (10–18°C)
Rainbow shiner
Notropis chrosomus
Freshwater3.1 in (8 cm) · 20 gal (75 L)50–72°F (10–22°C)
Rainbow sicyopus
Sicyopus auxilimentus
Freshwater1.4 in (3.5 cm) · 14 gal (54 L)73–81°F (23–27°C)
Raja betta
Betta raja
Freshwater2.8 in (7 cm) · 26 gal (100 L)72–81°F (22–27°C)
Rakhine danio
Devario xyrops
Freshwater3.7 in (9.5 cm) · 29 gal (110 L)68–79°F (20–26°C)
Red belly pipefish
Hippichthys heptagonus
FreshwaterBrackish5.9 in (15 cm) · 21 gal (80 L)75–84°F (24–29°C)
Red bruno pleco
Hypostomus soniae
Freshwater7.9 in (20 cm) · 79 gal (300 L)77–84°F (25–29°C)
Red devil tetra
Hyphessobrycon piranga
Freshwater1 in (2.5 cm) · 10 gal (38 L)73–82°F (23–28°C)
Red dwarf rasbora
Microrasbora rubescens
Freshwater1.2 in (3 cm) · 12 gal (45 L)68–77°F (20–25°C)
Red fin cactus pleco
Pseudacanthicus pitanga
Freshwater13.8 in (35 cm) · 119 gal (450 L)77–84°F (25–29°C)
Red fin otocinclus
Parotocinclus maculicauda
Freshwater2.4 in (6 cm) · 14 gal (54 L)72–81°F (22–27°C)
Red fin thresher pleco
Aphanotorulus emarginatus
Freshwater13.4 in (34 cm) · 119 gal (450 L)77–84°F (25–29°C)
Red flush tetra
Hemigrammus stictus
Freshwater2 in (5 cm) · 20 gal (75 L)73–82°F (23–28°C)
Red line halfbeak
Hemirhamphodon phaiosoma
Freshwater2.6 in (6.5 cm) · 14 gal (54 L)73–81°F (23–27°C)
Red lip goby
Sicyopus exallisquamulus
Freshwater2.4 in (6 cm) · 14 gal (54 L)73–81°F (23–27°C)
Red lizard whiptail
Rineloricaria lanceolata
Freshwater3.9 in (10 cm) · 24 gal (90 L)77–82°F (25–28°C)
Red neon blue-eye
Pseudomugil luminatus
Freshwater1.4 in (3.5 cm) · 11 gal (40 L)72–81°F (22–27°C)
Red phantom tetra
Hyphessobrycon sweglesi
Freshwater1.6 in (4 cm) · 15 gal (55 L)72–82°F (22–28°C)
Red rainbowfish
Glossolepis incisus
Freshwater5.5 in (14 cm) · 34 gal (130 L)72–77°F (22–25°C)
Red tail lasiancistrus
Lasiancistrus heteracanthus
Freshwater7.1 in (18 cm) · 66 gal (250 L)73–81°F (23–27°C)
Red tail sicyopterus
Sicyopterus lagocephalus
Freshwater5.1 in (13 cm) · 29 gal (110 L)73–81°F (23–27°C)Red-back moon tetra
Bathyaethiops flammeus
Freshwater2 in (5 cm) · 24 gal (90 L)73–81°F (23–27°C)Red-lipped darter tetra
Nannocharax rubrolabiatus
Freshwater2.4 in (6 cm) · 21 gal (80 L)73–82°F (23–28°C)
Red-seam killifish
Aphyosemion calliurum
Freshwater2.2 in (5.5 cm) · 20 gal (75 L)75–82°F (24–28°C)
Red-striped killifish
Aphyosemion striatum
Freshwater2 in (5 cm) · 11 gal (40 L)70–77°F (21–25°C)
Red-striped rainbowfish
Melanotaenia rubrostriata
Freshwater5.1 in (13 cm) · 53 gal (200 L)77–86°F (25–30°C)
Red-striped rasbora
Trigonopoma pauciperforatum
Freshwater2.8 in (7 cm) · 22 gal (85 L)72–79°F (22–26°C)
Red-tail dwarf puffer
Carinotetraodon irrubesco
Freshwater1.8 in (4.5 cm) · 17 gal (65 L)72–82°F (22–28°C)
Red-tailed rasbora
Rasbora borapetensis
Freshwater2.4 in (6 cm) · 18 gal (70 L)72–79°F (22–26°C)
Red-tailed tinfoil barb
Barbonymus altus
Freshwater9.8 in (25 cm) · 106 gal (400 L)72–82°F (22–28°C)
Redback rasbora
Rasbora rubrodorsalis
Freshwater1.6 in (4 cm) · 14 gal (54 L)72–81°F (22–27°C)
Redcheek barb
Discherodontus ashmeadi
Freshwater5.4 in (13.6 cm) · 42 gal (160 L)72–81°F (22–27°C)
Redhook
Myloplus rubripinnis
Freshwater9.8 in (25 cm) · 70 gal (265 L)73–81°F (23–27°C)
Redline torpedo barb
Sahyadria denisonii
Freshwater4.3 in (11 cm) · 53 gal (200 L)59–77°F (15–25°C)
Redlip barb
Pethia erythromycter
Freshwater1.6 in (4 cm) · 14 gal (54 L)72–79°F (22–26°C)
Redstripe hemigrammus
Hemigrammus rubrostriatus
Freshwater2.4 in (6 cm) · 20 gal (75 L)73–82°F (23–28°C)
Relict splitfin
Xenoophorus captivus
Freshwater2.4 in (6 cm) · 16 gal (60 L)61–79°F (16–26°C)
Reticulated cory
Brochis reticulata
Freshwater2.4 in (6 cm) · 20 gal (75 L)72–79°F (22–26°C)
Rex halfbeak
Nomorhamphus rex
Freshwater2.2 in (5.5 cm) · 20 gal (75 L)72–79°F (22–26°C)
Reynolds's cory
Hoplisoma reynoldsi
Freshwater1.4 in (3.5 cm) · 12 gal (45 L)72–79°F (22–26°C)
Rhino pleco
Pterygoplichthys scrophus
Freshwater12.6 in (32 cm) · 119 gal (450 L)77–84°F (25–29°C)
Ribbon hillstream loach
Erromyzon kalotaenia
Freshwater2.3 in (5.8 cm) · 20 gal (75 L)64–75°F (18–24°C)
Riffle goby
Stiphodon pelewensis
Freshwater1.8 in (4.5 cm) · 14 gal (54 L)73–81°F (23–27°C)
Ripsaw catfish
Oxydoras niger
Freshwater39.4 in (100 cm) · 396 gal (1,500 L)72–82°F (22–28°C)
River stone carp
Psilorhynchus sucatio
Freshwater3.1 in (8 cm) · 26 gal (100 L)64–79°F (18–26°C)
Robust cory
Brochis robusta
Freshwater3.1 in (8 cm) · 40 gal (150 L)72–79°F (22–26°C)
Robustulus tetra
Hyphessobrycon robustulus
Freshwater1.7 in (4.4 cm) · 16 gal (60 L)70–81°F (21–27°C)
Rohan's barb
Dawkinsia rohani
Freshwater3.9 in (10 cm) · 42 gal (160 L)70–79°F (21–26°C)
Rose danio
Danio roseus
Freshwater1.8 in (4.6 cm) · 20 gal (75 L)70–79°F (21–26°C)
Rose flame glassfish
Gymnochanda verae
Freshwater1.2 in (3 cm) · 11 gal (40 L)75–82°F (24–28°C)
Rosy bitterling
Rhodeus ocellatus
Freshwater3.1 in (8 cm) · 21 gal (80 L)64–75°F (18–24°C)
Rosy loach
Petruichthys sp. 'rosy'
Freshwater1.2 in (3 cm) · 14 gal (54 L)68–79°F (20–26°C)
Rosy tetra
Hyphessobrycon rosaceus
Freshwater1.6 in (4 cm) · 15 gal (55 L)75–82°F (24–28°C)
Royal tetra
Inpaichthys kerri
Freshwater1.4 in (3.5 cm) · 15 gal (55 L)75–81°F (24–27°C)
Royal whiptail catfish
Sturisoma panamense
Freshwater7.9 in (20 cm) · 40 gal (150 L)72–82°F (22–28°C)
Rubber pleco
Parancistrus aurantiacus
Freshwater8.7 in (22 cm) · 79 gal (300 L)77–84°F (25–29°C)
Ruby moenkhausia
Moenkhausia rubra
Freshwater2.1 in (5.4 cm) · 20 gal (75 L)73–82°F (23–28°C)
Ruby sundadanio
Sundadanio rubellus
Freshwater0.9 in (2.3 cm) · 11 gal (40 L)73–81°F (23–27°C)
Ruby tetra
Axelrodia riesei
Freshwater0.8 in (2 cm) · 12 gal (45 L)73–81°F (23–27°C)
Ruby-tinted barb
Dawkinsia rubrotincta
Freshwater3.9 in (10 cm) · 42 gal (160 L)70–79°F (21–26°C)
Rummy-nose tetra
Hemigrammus rhodostomus
Freshwater2 in (5 cm) · 20 gal (75 L)75–81°F (24–27°C)
Rummynose tetra
Petitella bleheri
Freshwater2 in (5 cm) · 20 gal (75 L)75–81°F (24–27°C)
Rust cory
Osteogaster rabauti
Freshwater2.4 in (6 cm) · 20 gal (75 L)72–79°F (22–26°C)
Rusty cichlid
Iodotropheus sprengerae
Freshwater3.9 in (10 cm) · 24 gal (90 L)77–84°F (25–29°C)
Rusty moth catfish
Pseudolaguvia muricata
Freshwater1.2 in (3 cm) · 11 gal (40 L)68–79°F (20–26°C)
Rutten's rasbora
Rasbora rutteni
Freshwater2.2 in (5.5 cm) · 20 gal (75 L)73–81°F (23–27°C)
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