All aquarium species: P
All species whose common name starts with P, in alphabetical order. Each card links to its care guide.
213 species and 5 varieties
Pacific blue-eye
Pseudomugil signifer
Freshwater2.8 in (7 cm) · 25 gal (95 L)68–79°F (20–26°C)
Pacific blue-eye (neon)
Pseudomugil cyanodorsalis
Brackish1.4 in (3.5 cm) · 12 gal (45 L)72–82°F (22–28°C)
Pacific molly
Poecilia butleri
Freshwater2.8 in (7 cm) · 29 gal (110 L)72–81°F (22–27°C)
Pacific purple urchin
Strongylocentrotus purpuratus
Saltwater3.9 in (10 cm) · 53 gal (200 L)46–64°F (8–18°C)
Pagoda cup coral
Turbinaria peltata
Saltwater11.8 in (30 cm) · 40 gal (150 L)75–81°F (24–27°C)
Pagoda snail
Brotia pagodula
Freshwater2.4 in (6 cm) · 5 gal (20 L)72–82°F (22–28°C)
Pahu licorice gourami
Parosphromenus pahuensis
Freshwater1.1 in (2.8 cm) · 5 gal (20 L)72–81°F (22–27°C)
Painted ctenopharynx
Ctenopharynx pictus
Freshwater4.9 in (12.5 cm) · 79 gal (300 L)75–81°F (24–27°C)
Painted frogfish
Antennarius pictus
Saltwater11.8 in (30 cm) · 29 gal (110 L)75–81°F (24–27°C)
Painted mormyrid
Hippopotamyrus pictus
Freshwater11.8 in (30 cm) · 159 gal (600 L)73–82°F (23–28°C)
Painted rainbowfish
Melanotaenia picta
Freshwater4.2 in (10.7 cm) · 29 gal (110 L)77–86°F (25–30°C)
Painted talking catfish
Acanthodoras cataphractus
Freshwater4.5 in (11.5 cm) · 30 gal (112 L)73–82°F (23–28°C)
Painted zipper loach
Paracanthocobitis pictilis
Freshwater2.6 in (6.5 cm) · 20 gal (75 L)68–79°F (20–26°C)
Pajama cardinalfish
Sphaeramia nematoptera
Saltwater3.1 in (8 cm) · 29 gal (110 L)72–81°F (22–27°C)
Pako hillstream loach
Sewellia breviventralis
Freshwater2.4 in (6.2 cm) · 24 gal (90 L)68–75°F (20–24°C)
Pale chub
Zacco platypus
Freshwater7.9 in (20 cm) · 79 gal (300 L)54–75°F (12–24°C)
Pale usisya aulonocara
Aulonocara steveni
Freshwater5.5 in (14 cm) · 63 gal (240 L)75–82°F (24–28°C)
Pallifina betta
Betta pallifina
Freshwater3.1 in (8 cm) · 20 gal (75 L)72–79°F (22–26°C)
Palmqvist's notho
Nothobranchius palmqvisti
Freshwater2 in (5 cm) · 11 gal (40 L)72–81°F (22–27°C)
Palythoa
Saltwater7.1 in (18 cm) · 11 gal (40 L)75–81°F (24–27°C)
Panama cichlid
Panamius panamensis
Freshwater5.1 in (13 cm) · 42 gal (160 L)75–84°F (24–29°C)
Panama eartheater
Geophagus crassilabris
Freshwater10.2 in (26 cm) · 119 gal (450 L)77–84°F (25–29°C)
Panama hoplo
Hoplosternum punctatum
Freshwater3.1 in (8 cm) · 30 gal (115 L)72–79°F (22–26°C)
Panamanian greenbanded goby
Tigrigobius panamensis
Saltwater1.2 in (3 cm) · 11 gal (40 L)75–81°F (24–27°C)
Panda cory
Hoplisoma panda
Freshwater2 in (5 cm) · 15 gal (55 L)72–77°F (22–25°C)
Panda crab
Lepidothelphusa cognettii
Freshwater0.6 in (1.5 cm) · 16 gal (60 L)72–79°F (22–26°C)
Panda darter tetra
Aphyocharax nattereri
Freshwater1.4 in (3.5 cm) · 14 gal (54 L)72–81°F (22–27°C)
Panda dwarf cichlid
Apistogramma nijsseni
Freshwater3.3 in (8.5 cm) · 18 gal (70 L)75–82°F (24–28°C)
Panda garra
Garra flavatra
Freshwater3.5 in (9 cm) · 26 gal (100 L)72–81°F (22–27°C)
Panda loach
Yaoshania pachychilus
Freshwater2.8 in (7 cm) · 20 gal (75 L)64–75°F (18–24°C)
Panda uaru
Uaru fernandezyepezi
Freshwater9.1 in (23 cm) · 159 gal (600 L)75–82°F (24–28°C)
Panduro apisto
Apistogramma panduro
Freshwater3 in (7.5 cm) · 20 gal (75 L)75–82°F (24–28°C)
Pantanal cory
Brochis pantanalensis
Freshwater3 in (7.5 cm) · 26 gal (100 L)72–82°F (22–28°C)
Pantano cichlid
Cincelichthys pearsei
Freshwater11.8 in (30 cm) · 119 gal (450 L)77–86°F (25–30°C)
Panther crab
Parathelphusa pantherina
Freshwater4.3 in (11 cm) · 22 gal (85 L)75–86°F (24–30°C)
Panther danio
Danio aesculapii
Freshwater1.4 in (3.6 cm) · 14 gal (54 L)72–79°F (22–26°C)
Panther grouper
Cromileptes altivelis
Saltwater27.6 in (70 cm) · 300 gal (1,135 L)72–79°F (22–26°C)
Pantostictus cichlid
Herichthys pantostictus
Freshwater5.9 in (15 cm) · 79 gal (300 L)75–84°F (24–29°C)
Papa panaque
Panaque bathyphilus
Freshwater9.8 in (25 cm) · 79 gal (300 L)77–84°F (25–29°C)
Papua red goby
Lentipes multiradiatus
Freshwater1.8 in (4.5 cm) · 14 gal (54 L)73–81°F (23–27°C)
Para pleco
Peckoltia sabaji
Freshwater7.9 in (20 cm) · 66 gal (250 L)77–84°F (25–29°C)
Paradise fish
Macropodus opercularis
Freshwater3.1 in (8 cm) · 25 gal (95 L)50–72°F (10–22°C)1 variety
Paradise threadfin
Polynemus paradiseus
FreshwaterBrackish9.8 in (25 cm) · 75 gal (285 L)75–82°F (24–28°C)
Paraguay black otocinclus
Otothyropsis piribebuy
Freshwater1.4 in (3.5 cm) · 14 gal (54 L)68–79°F (20–26°C)
Paraguay eartheater
Gymnogeophagus balzanii
Freshwater5.5 in (14 cm) · 37 gal (140 L)70–77°F (21–25°C)
Paraguay glass tetra
Prionobrama paraguayensis
Freshwater2.4 in (6 cm) · 20 gal (75 L)68–81°F (20–27°C)
Pardalis squeaker
Synodontis pardalis
Freshwater9.3 in (23.5 cm) · 79 gal (300 L)73–81°F (23–27°C)Pardalotos betta
Betta pardalotos
Freshwater2.8 in (7.2 cm) · 21 gal (80 L)72–81°F (22–27°C)
Parilus nanochromis
Nanochromis parilus
Freshwater2.6 in (6.5 cm) · 29 gal (110 L)73–81°F (23–27°C)
Parkinson's rainbowfish
Melanotaenia parkinsoni
Freshwater4.3 in (11 cm) · 53 gal (200 L)75–82°F (24–28°C)
Parnahyba whiptail
Loricaria parnahybae
Freshwater9.8 in (25 cm) · 53 gal (200 L)73–82°F (23–28°C)
Paroon shark
Pangasius sanitwongsei
Freshwater118.1 in (300 cm) · 2,113 gal (8,000 L)72–79°F (22–26°C)
Parrot doradid
Rhynchodoras woodsi
Freshwater4.1 in (10.5 cm) · 53 gal (200 L)73–82°F (23–28°C)
Parrot tetra
Hyphessobrycon psittacus
Freshwater1.6 in (4 cm) · 16 gal (60 L)72–81°F (22–27°C)
Parvellus tetra
Hyphessobrycon parvellus
Freshwater1 in (2.6 cm) · 10 gal (38 L)72–82°F (22–28°C)
Paska's blue-eye
Pseudomugil paskai
Freshwater1.4 in (3.5 cm) · 11 gal (40 L)72–79°F (22–26°C)
Pastaza cory
Corydoras pastazensis
Freshwater2.8 in (7 cm) · 22 gal (85 L)72–82°F (22–28°C)
Pastel lily tetra
Psalidodon xavante
Freshwater2.4 in (6 cm) · 21 gal (80 L)72–81°F (22–27°C)
Patoti betta
Betta patoti
Freshwater3.9 in (10 cm) · 29 gal (110 L)72–81°F (22–27°C)
Patrizi's notho
Nothobranchius patrizii
Freshwater2.2 in (5.5 cm) · 11 gal (40 L)72–79°F (22–26°C)
Paul Mueller's dwarf cichlid
Apistogramma paulmuelleri
Freshwater2 in (5 cm) · 16 gal (60 L)75–82°F (24–28°C)
Pavo spiny eel
Macrognathus pavo
Freshwater7.5 in (19 cm) · 53 gal (200 L)73–82°F (23–28°C)
Payara
Hydrolycus armatus
Freshwater35 in (89 cm) · 1,057 gal (4,000 L)75–82°F (24–28°C)
Peacock chalice coral
Mycedium elephantotus
Saltwater9.8 in (25 cm) · 26 gal (100 L)75–81°F (24–27°C)
Peacock grouper
Cephalopholis argus
Saltwater23.6 in (60 cm) · 251 gal (950 L)75–81°F (24–27°C)
Peacock gudgeon
Tateurndina ocellicauda
Freshwater3 in (7.5 cm) · 20 gal (75 L)72–79°F (22–26°C)
Peacock mantis shrimp
Odontodactylus scyllarus
Saltwater7.1 in (18 cm) · 20 gal (75 L)75–81°F (24–27°C)
Peacock snakehead
Channa pulchra
Freshwater11.8 in (30 cm) · 74 gal (280 L)61–79°F (16–26°C)
Peacock spiny eel
Macrognathus siamensis
Freshwater11.8 in (30 cm) · 70 gal (265 L)75–82°F (24–28°C)
Peacock-tail garra
Garra poecilura
Freshwater3.5 in (9 cm) · 29 gal (110 L)68–79°F (20–26°C)
Pearl bubble coral
Physogyra lichtensteini
Saltwater9.8 in (25 cm) · 11 gal (40 L)75–81°F (24–27°C)
Pearl danio
Danio albolineatus
Freshwater2.4 in (6 cm) · 18 gal (70 L)61–77°F (16–25°C)
Pearl eartheater
Geophagus brasiliensis
Freshwater11 in (28 cm) · 75 gal (284 L)68–79°F (20–26°C)
Pearl gourami
Trichopodus leerii
Freshwater4.7 in (12 cm) · 30 gal (115 L)75–86°F (24–30°C)
Pearl of Likoma
Melanochromis joanjohnsonae
Freshwater3.9 in (10 cm) · 45 gal (170 L)75–81°F (24–27°C)
Pearl of the Congo barb
Clypeobarbus pleuropholis
Freshwater2 in (5 cm) · 14 gal (54 L)73–81°F (23–27°C)
Pearl River hillstream loach
Beaufortia granulopinna
Freshwater3.1 in (8 cm) · 24 gal (90 L)61–75°F (16–24°C)
Pearl sundadanio
Sundadanio margarition
Freshwater0.9 in (2.4 cm) · 11 gal (40 L)73–81°F (23–27°C)
Pearl-spotted angel pleco
Hypancistrus margaritatus
Freshwater2.4 in (6 cm) · 42 gal (160 L)79–86°F (26–30°C)
Pearlscale butterflyfish
Chaetodon xanthurus
Saltwater5.5 in (14 cm) · 75 gal (285 L)73–81°F (23–27°C)
Pearlscale cichlid
Herichthys carpintis
Freshwater11.8 in (30 cm) · 55 gal (210 L)75–79°F (24–26°C)
Pearly jawfish
Opistognathus aurifrons
Saltwater3.9 in (10 cm) · 29 gal (110 L)73–81°F (23–27°C)
Pearly ocellatus
Lamprologus stappersi
Freshwater2.2 in (5.5 cm) · 11 gal (40 L)75–81°F (24–27°C)
Pearly rasbora
Rasboroides vaterifloris
Freshwater1.6 in (4 cm) · 14 gal (54 L)75–82°F (24–28°C)
Pectinia coral
Pectinia
Saltwater11.8 in (30 cm) · 20 gal (75 L)75–81°F (24–27°C)
Pederson's cleaner shrimp
Ancylomenes pedersoni
Saltwater1.2 in (3 cm) · 11 gal (40 L)73–81°F (23–27°C)
Pellegrin's loach
Leptobotia pellegrini
Freshwater8.7 in (22 cm) · 106 gal (400 L)64–79°F (18–26°C)
Penguin tetra
Thayeria boehlkei
Freshwater2.6 in (6.5 cm) · 20 gal (75 L)72–82°F (22–28°C)
Peppered cory
Hoplisoma paleatum
Freshwater2.8 in (7 cm) · 21 gal (80 L)72–79°F (22–26°C)
Peppered kuhli loach
Pangio piperata
Freshwater2.4 in (6 cm) · 20 gal (75 L)72–81°F (22–27°C)
Peppermint otocinclus
Parotocinclus eppleyi
Freshwater1.4 in (3.5 cm) · 14 gal (54 L)75–82°F (24–28°C)
Peppermint pikehead
Luciocephalus aura
Freshwater4.7 in (12 cm) · 29 gal (110 L)72–79°F (22–26°C)
Peppermint pleco
Spectracanthicus punctatissimus
Freshwater4.7 in (12 cm) · 66 gal (250 L)79–86°F (26–30°C)
Peppermint shrimp
Lysmata wurdemanni
Saltwater2 in (5 cm) · 11 gal (40 L)72–81°F (22–27°C)
Percula clownfish
Amphiprion percula
Saltwater3.1 in (8 cm) · 20 gal (75 L)75–82°F (24–28°C)4 varieties
Perrieri hap
Prognathochromis perrieri
Freshwater3.1 in (8 cm) · 42 gal (160 L)73–81°F (23–27°C)
Persephone betta
Betta persephone
Freshwater1.4 in (3.5 cm) · 11 gal (40 L)73–81°F (23–27°C)
Persian toothcarp
Paraphanius mento
Freshwater2.6 in (6.5 cm) · 29 gal (110 L)59–86°F (15–30°C)
Personifer angelfish
Chaetodontoplus personifer
Saltwater13.8 in (35 cm) · 180 gal (680 L)72–79°F (22–26°C)
Peru black cory
Corydoras semiaquilus
Freshwater2.6 in (6.5 cm) · 24 gal (90 L)72–79°F (22–26°C)
Perugia's limia
Limia perugiae
Freshwater2.8 in (7 cm) · 20 gal (75 L)72–82°F (22–28°C)
Peruvian festivum
Mesonauta mirificus
Freshwater4.7 in (12 cm) · 66 gal (250 L)75–82°F (24–28°C)
Peruvian royal whiptail
Sturisoma nigrirostrum
Freshwater8.7 in (22 cm) · 66 gal (250 L)75–82°F (24–28°C)
Peruvian tetra
Hyphessobrycon peruvianus
Freshwater1.6 in (4 cm) · 16 gal (60 L)72–81°F (22–27°C)
Peter's elephantnose
Gnathonemus petersii
Freshwater8.9 in (22.5 cm) · 66 gal (250 L)73–82°F (23–28°C)
Petherick's bushfish
Ctenopoma petherici
Freshwater6.9 in (17.5 cm) · 53 gal (200 L)73–82°F (23–28°C)
Petrotilapia
Petrotilapia sp.
Freshwater7.1 in (18 cm) · 119 gal (450 L)75–81°F (24–27°C)
Peugeot's tetra
Hyphessobrycon peugeoti
Freshwater1.5 in (3.8 cm) · 15 gal (55 L)72–81°F (22–27°C)
Phantasia catfish
Cetopsorhamdia phantasia
Freshwater1.8 in (4.5 cm) · 14 gal (54 L)73–82°F (23–28°C)
Philippe's neolebias
Neolebias philippei
Freshwater1.4 in (3.5 cm) · 11 gal (40 L)73–81°F (23–27°C)
Phoenix licorice gourami
Parosphromenus phoenicurus
Freshwater1.3 in (3.2 cm) · 5 gal (20 L)72–81°F (22–27°C)
Phoenix rasbora
Boraras merah
Freshwater0.8 in (2 cm) · 11 gal (40 L)72–81°F (22–27°C)
Pi betta
Betta pi
Freshwater3.5 in (9 cm) · 26 gal (100 L)73–81°F (23–27°C)
Piaba tetra
Serrapinnus piaba
Freshwater1.6 in (4 cm) · 11 gal (40 L)72–82°F (22–28°C)Piabinhas tetra
Hyphessobrycon piabinhas
Freshwater1.5 in (3.8 cm) · 15 gal (55 L)73–82°F (23–28°C)
Piaroa dwarf cichlid
Apistogramma piaroa
Freshwater2.2 in (5.5 cm) · 16 gal (60 L)77–84°F (25–29°C)
Picasso triggerfish
Rhinecanthus aculeatus
Saltwater11.8 in (30 cm) · 180 gal (680 L)72–79°F (22–26°C)
Pictus blenny
Ecsenius pictus
Saltwater2 in (5 cm) · 20 gal (75 L)73–81°F (23–27°C)
Piebald hap
Paralabidochromis chromogynos
Freshwater5.1 in (13 cm) · 66 gal (250 L)73–81°F (23–27°C)
Pike topminnow
Belonesox belizanus
Freshwater7.9 in (20 cm) · 44 gal (165 L)73–82°F (23–28°C)
Pindu cichlid
Stomatepia pindu
Freshwater4.3 in (11 cm) · 53 gal (200 L)73–81°F (23–27°C)
Ping's hillstream loach
Beaufortia pingi
Freshwater3.5 in (8.9 cm) · 24 gal (90 L)61–75°F (16–24°C)Pinguis betta
Betta pinguis
Freshwater3.1 in (7.9 cm) · 21 gal (80 L)72–81°F (22–27°C)
Pink cory
Hoplisoma axelrodi
Freshwater2 in (5 cm) · 16 gal (60 L)72–79°F (22–26°C)
Pink sea fan
Hicksonella sp.
Saltwater11.8 in (30 cm) · 20 gal (75 L)75–81°F (24–27°C)
Pink skunk clownfish
Amphiprion perideraion
Saltwater3.9 in (10 cm) · 30 gal (115 L)75–82°F (24–28°C)
Pink-spotted watchman goby
Cryptocentrus leptocephalus
Saltwater3.9 in (10 cm) · 30 gal (115 L)73–81°F (23–27°C)
Pink-tail chalceus
Chalceus macrolepidotus
Freshwater9.8 in (25 cm) · 63 gal (240 L)73–82°F (23–28°C)
Pinkbar goby
Amblyeleotris aurora
Saltwater4.3 in (11 cm) · 30 gal (115 L)73–81°F (23–27°C)
Pinktail triggerfish
Melichthys vidua
Saltwater15.7 in (40 cm) · 180 gal (680 L)72–79°F (22–26°C)
Pinnatus batfish
Platax pinnatus
Saltwater17.7 in (45 cm) · 198 gal (750 L)75–81°F (24–27°C)
Pinnistriatus tetra
Hyphessobrycon pinnistriatus
Freshwater1.4 in (3.6 cm) · 15 gal (55 L)72–81°F (22–27°C)
Pinocchio whiptail
Hemiodontichthys acipenserinus
Freshwater5.3 in (13.5 cm) · 30 gal (112 L)73–82°F (23–28°C)
Pinstripe damba cichlid
Paretroplus menarambo
Freshwater9.8 in (25 cm) · 95 gal (360 L)79–84°F (26–29°C)
Piraiba
Brachyplatystoma filamentosum
Freshwater118.1 in (300 cm) · 2,642 gal (10,000 L)72–82°F (22–28°C)
Pit bull otocinclus
Parotocinclus jumbo
Freshwater2.4 in (6 cm) · 20 gal (75 L)72–81°F (22–27°C)
Pixy hawkfish
Cirrhitichthys oxycephalus
Saltwater3.9 in (10 cm) · 29 gal (110 L)72–79°F (22–26°C)
Plain metynnis
Metynnis hypsauchen
Freshwater5.5 in (14 cm) · 70 gal (265 L)75–82°F (24–28°C)
Plate coral
Fungia
Saltwater7.9 in (20 cm) · 11 gal (40 L)75–81°F (24–27°C)
Playfair's panchax
Pachypanchax playfairii
Freshwater3.9 in (10 cm) · 20 gal (75 L)72–77°F (22–25°C)
Plumed lyretail
Fundulopanchax filamentosus
Freshwater2.4 in (6 cm) · 20 gal (75 L)68–75°F (20–24°C)
Poecilus shield skin
Aspidoras poecilus
Freshwater1.6 in (4 cm) · 14 gal (54 L)72–79°F (22–26°C)
Polka dot pleco
Spectracanthicus zuanoni
Freshwater5.1 in (13 cm) · 79 gal (300 L)79–86°F (26–30°C)
Polka dot syno
Synodontis angelicus
Freshwater11.8 in (30 cm) · 55 gal (210 L)75–82°F (24–28°C)
Polka-dot loach
Botia kubotai
Freshwater5.9 in (15 cm) · 42 gal (160 L)72–82°F (22–28°C)
Poll's bichir
Polypterus polli
Freshwater12.6 in (32 cm) · 79 gal (300 L)75–82°F (24–28°C)
Poll's dwarf synodontis
Microsynodontis polli
Freshwater1.8 in (4.5 cm) · 20 gal (75 L)73–81°F (23–27°C)
Poll's synodontis
Synodontis polli
Freshwater7.1 in (18 cm) · 50 gal (190 L)72–79°F (22–26°C)
Pom pom crab
Ptychognathus barbatus
Freshwater1.6 in (4 cm) · 5 gal (20 L)72–82°F (22–28°C)
Pom-pom crab
Lybia tessellata
Saltwater1 in (2.5 cm) · 11 gal (40 L)75–81°F (24–27°C)
Pongo characin
Parodon cf. pongoensis
Freshwater3.9 in (10 cm) · 30 gal (112 L)72–79°F (22–26°C)
Pool barb
Puntius sophore
Freshwater3.9 in (10 cm) · 29 gal (110 L)68–81°F (20–27°C)
Popelin's chalinochromis
Chalinochromis popelini
Freshwater4.7 in (12 cm) · 53 gal (200 L)75–81°F (24–27°C)
Popondetta blue-eye
Pseudomugil connieae
Freshwater2 in (5 cm) · 11 gal (40 L)75–82°F (24–28°C)
Porcelain anemone crab
Neopetrolisthes maculatus
Saltwater3 in (7.5 cm) · 11 gal (40 L)72–79°F (22–26°C)
Porcupine puffer
Diodon holocanthus
Saltwater11.8 in (30 cm) · 180 gal (680 L)75–81°F (24–27°C)
Poreless gudgeon
Oxyeleotris nullipora
Freshwater2 in (5 cm) · 20 gal (75 L)75–82°F (24–28°C)
Porites
Saltwater13.8 in (35 cm) · 40 gal (150 L)75–81°F (24–27°C)
Porkchop coral
Pavona duerdeni
Saltwater23.6 in (60 cm) · 26 gal (100 L)75–81°F (24–27°C)
Portellus bee catfish
Akysis portellus
Freshwater1.6 in (4 cm) · 14 gal (54 L)72–79°F (22–26°C)
Porthole catfish
Dianema longibarbis
Freshwater3.9 in (10 cm) · 26 gal (100 L)75–82°F (24–28°C)
Porthole livebearer
Poeciliopsis gracilis
Freshwater3.5 in (9 cm) · 11 gal (40 L)72–82°F (22–28°C)
Porthole rasbora
Rasbora cephalotaenia
Freshwater5.1 in (13 cm) · 42 gal (160 L)72–81°F (22–27°C)
Potato chip coral
Pavona decussata
Saltwater11.8 in (30 cm) · 20 gal (75 L)75–81°F (24–27°C)
Potter's angelfish
Centropyge potteri
Saltwater5.1 in (13 cm) · 65 gal (245 L)72–79°F (22–26°C)
Powder blue cichlid
Chindongo socolofi
Freshwater4.7 in (12 cm) · 53 gal (200 L)75–81°F (24–27°C)
Powder blue tang
Acanthurus leucosternon
Saltwater9.1 in (23 cm) · 124 gal (470 L)75–81°F (24–27°C)
Powder brown tang
Acanthurus japonicus
Saltwater8.3 in (21 cm) · 129 gal (490 L)75–81°F (24–27°C)
Powell's neolebias
Neolebias powelli
Freshwater0.8 in (2 cm) · 11 gal (40 L)73–81°F (23–27°C)
Praeorbitalis lethrinops
Taeniolethrinops praeorbitalis
Freshwater11.8 in (30 cm) · 119 gal (450 L)75–81°F (24–27°C)
Prambanan snail
Thiara winteri
Freshwater1.6 in (4 cm) · 11 gal (40 L)73–82°F (23–28°C)
Preto tetra
Moenkhausia pretoensis
Freshwater2.4 in (6 cm) · 20 gal (75 L)73–82°F (23–28°C)
Pretty cory
Brochis pulchra
Freshwater2.6 in (6.5 cm) · 24 gal (90 L)75–82°F (24–28°C)
Price's rainbowfish
Chilatherina pricei
Freshwater4 in (10.2 cm) · 42 gal (160 L)75–84°F (24–29°C)
Pridi loach
Schistura pridii
Freshwater1.8 in (4.5 cm) · 14 gal (54 L)68–77°F (20–25°C)
Prima betta
Betta prima
Freshwater2 in (5 cm) · 16 gal (60 L)73–81°F (23–27°C)
Prionotos cory
Scleromystax prionotos
Freshwater2.4 in (6 cm) · 29 gal (110 L)68–77°F (20–25°C)
Prochilus cichlid
Neolamprologus prochilus
Freshwater6.7 in (17 cm) · 79 gal (300 L)75–81°F (24–27°C)
Procyon tetra
Hyphessobrycon procyon
Freshwater1.5 in (3.8 cm) · 15 gal (55 L)72–81°F (22–27°C)
Proselytus dwarf pike
Teleocichla proselytus
Freshwater3.1 in (8 cm) · 29 gal (110 L)79–86°F (26–30°C)
Proteus pike cichlid
Crenicichla proteus
Freshwater7.5 in (19 cm) · 106 gal (400 L)75–82°F (24–28°C)
Proximus eartheater
Geophagus proximus
Freshwater11.8 in (30 cm) · 159 gal (600 L)77–84°F (25–29°C)
Pugnax betta
Betta pugnax
Freshwater2.8 in (7 cm) · 16 gal (60 L)72–82°F (22–28°C)
Pulchra betta
Betta pulchra
Freshwater2.4 in (6 cm) · 20 gal (75 L)73–81°F (23–27°C)
Pulsing xenia
Xenia elongata
Saltwater7.9 in (20 cm) · 11 gal (40 L)75–81°F (24–27°C)
Pumpkinseed sunfish
Lepomis gibbosus
Freshwater9.8 in (25 cm) · 70 gal (265 L)41–73°F (5–23°C)
Punctatus cory
Corydoras punctatus
Freshwater2.4 in (6 cm) · 16 gal (60 L)73–81°F (23–27°C)Purple arm vampire crab
Geosesarma noduliferum
Freshwater0.6 in (1.5 cm) · 10 gal (38 L)75–82°F (24–28°C)
Purple earth eartheater
Gymnogeophagus terrapurpura
Freshwater4.3 in (11 cm) · 53 gal (200 L)61–79°F (16–26°C)
Purple firefish
Nemateleotris decora
Saltwater3.5 in (9 cm) · 20 gal (75 L)72–79°F (22–26°C)
Purple masked angelfish
Centropyge venusta
Saltwater3.9 in (10 cm) · 55 gal (210 L)72–79°F (22–26°C)
Purple pencilfish
Nannostomus rubrocaudatus
Freshwater1.2 in (3 cm) · 20 gal (75 L)75–82°F (24–28°C)
Purple queen anthias
Pseudanthias tuka
Saltwater4.7 in (12 cm) · 75 gal (285 L)75–81°F (24–27°C)
Purple sea blade
Pterogorgia anceps
Saltwater17.7 in (45 cm) · 26 gal (100 L)73–81°F (23–27°C)
Purple sea fan
Gorgonia ventalina
Saltwater70.9 in (180 cm) · 53 gal (200 L)73–81°F (23–27°C)
Purple sea plume
Antillogorgia bipinnata
Saltwater17.7 in (45 cm) · 26 gal (100 L)73–81°F (23–27°C)
Purple spotted gudgeon
Mogurnda mogurnda
Freshwater7.9 in (20 cm) · 40 gal (150 L)68–79°F (20–26°C)
Purple tang
Zebrasoma xanthurum
Saltwater9.8 in (25 cm) · 106 gal (400 L)75–82°F (24–28°C)
Purple tetra
Hyphessobrycon metae
Freshwater1.8 in (4.5 cm) · 20 gal (75 L)73–82°F (23–28°C)
Purple urchin
Arbacia punctulata
Saltwater3.1 in (8 cm) · 20 gal (75 L)68–81°F (20–27°C)
Purple vampire crab
Geosesarma dennerle
Freshwater1 in (2.5 cm) · 10 gal (38 L)75–82°F (24–28°C)
Purple zebra porcelain crab
Petrolisthes bolivarensis
Saltwater0.8 in (2 cm) · 11 gal (40 L)72–82°F (22–28°C)
Purple-fin barb
Cyclocheilichthys janthochir
Freshwater7.1 in (18 cm) · 53 gal (200 L)73–82°F (23–28°C)
Pygmy carplet
Paedocypris progenetica
Freshwater0.5 in (1.2 cm) · 5 gal (20 L)75–82°F (24–28°C)
Pygmy cory
Gastrodermus pygmaeus
Freshwater1.3 in (3.3 cm) · 13 gal (50 L)72–79°F (22–26°C)
Pygmy driftwood catfish
Trachelyichthys exilis
Freshwater3.1 in (8 cm) · 21 gal (80 L)72–77°F (22–25°C)
Pygmy gourami
Trichopsis pumila
Freshwater1.6 in (4 cm) · 15 gal (55 L)72–82°F (22–28°C)
Pygmy hatchetfish
Carnegiella myersi
Freshwater1 in (2.5 cm) · 26 gal (100 L)73–79°F (23–26°C)
Pygmy rainbowfish
Melanotaenia pygmaea
Freshwater2.4 in (6 cm) · 20 gal (75 L)73–84°F (23–29°C)
Pygmy swordtail
Xiphophorus pygmaeus
Freshwater1.6 in (4 cm) · 11 gal (40 L)75–82°F (24–28°C)
Pyjama synodontis
Synodontis flavitaeniatus
Freshwater7.1 in (18 cm) · 53 gal (200 L)75–81°F (24–27°C)
Pyramid butterflyfish
Hemitaurichthys polylepis
Saltwater7.1 in (18 cm) · 124 gal (470 L)75–81°F (24–27°C)
Pyramid top snail
Tectus fenestratus
Saltwater2 in (5 cm) · 11 gal (40 L)75–81°F (24–27°C)
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