All aquarium species: L
All species whose common name starts with L, in alphabetical order. Each card links to its care guide.
98 species

Labyrinth angelfish
Chaetodontoplus chrysocephalus
Saltwater8.7 in (22 cm) · 151 gal (570 L)72–79°F (22–26°C)
Lachdebere's dwarfgoby
Eviota lachdeberei
Saltwater0.8 in (2.1 cm) · 5 gal (19 L)72–79°F (22–26°C)
Lake Furnusu rainbowfish
Melanotaenia mairasi
Freshwater2.4 in (6.2 cm) · 29 gal (110 L)77–86°F (25–30°C)
Lake Inle danio
Devario auropurpureus
Freshwater3.1 in (8 cm) · 24 gal (90 L)64–77°F (18–25°C)
Lake Kurumoi rainbowfish
Melanotaenia parva
Freshwater3.1 in (8 cm) · 29 gal (110 L)72–79°F (22–26°C)
Lake Kutubu rainbowfish
Melanotaenia lacustris
Freshwater4.3 in (11 cm) · 29 gal (110 L)68–77°F (20–25°C)
Lake Malawi syno
Synodontis njassae
Freshwater7.5 in (19 cm) · 40 gal (150 L)73–82°F (23–28°C)
Lake Tebera rainbowfish
Melanotaenia herbertaxelrodi
Freshwater3.5 in (9 cm) · 25 gal (95 L)68–79°F (20–26°C)
Lake Wanam rainbowfish
Glossolepis wanamensis
Freshwater3.9 in (10 cm) · 25 gal (95 L)77–86°F (25–30°C)
Lamarck's angelfish
Genicanthus lamarck
Saltwater9.8 in (25 cm) · 124 gal (470 L)72–79°F (22–26°C)
Lambert's lampeye
Rhexipanchax lamberti
Freshwater1.8 in (4.5 cm) · 14 gal (54 L)72–79°F (22–26°C)
Lamta garra
Garra lamta
Freshwater4.7 in (12 cm) · 29 gal (110 L)64–77°F (18–25°C)
Laos giant danio
Devario acrostomus
Freshwater4.4 in (11.3 cm) · 42 gal (160 L)72–81°F (22–27°C)
Lapis tetra
Hyphessobrycon cyanotaenia
Freshwater1.7 in (4.4 cm) · 16 gal (60 L)72–81°F (22–27°C)
Largescale four-eyed fish
Anableps anableps
FreshwaterBrackish11.8 in (30 cm) · 70 gal (265 L)77–88°F (25–31°C)
Largescale rasbora
Rasbora paucisqualis
Freshwater2 in (5 cm) · 20 gal (75 L)72–81°F (22–27°C)
Lawnmower blenny
Salarias fasciatus
Saltwater5.1 in (13 cm) · 29 gal (110 L)72–79°F (22–26°C)
Leaf coral
Pavona frondifera
Saltwater9.8 in (25 cm) · 20 gal (75 L)75–81°F (24–27°C)
Leaf scorpionfish
Taenianotus triacanthus
Saltwater5.1 in (13 cm) · 29 gal (110 L)72–79°F (22–26°C)
Least dwarf crayfish
Cambarellus diminutus
Freshwater1 in (2.5 cm) · 5 gal (20 L)64–79°F (18–26°C)
Least killifish
Heterandria formosa
FreshwaterBrackish1.4 in (3.5 cm) · 5 gal (20 L)68–79°F (20–26°C)
Least pencilfish
Nannostomus minimus
Freshwater1.1 in (2.8 cm) · 11 gal (40 L)75–82°F (24–28°C)
Leconte's loach
Yasuhikotakia lecontei
Freshwater5.9 in (15 cm) · 53 gal (200 L)75–82°F (24–28°C)Lehi betta
Betta lehi
Freshwater2.4 in (6.1 cm) · 16 gal (60 L)72–81°F (22–27°C)
Lemaire's lamprologus
Lamprologus lemairii
Freshwater9.8 in (25 cm) · 106 gal (400 L)75–81°F (24–27°C)
Lemnalia tree coral
Lemnalia
Saltwater7.9 in (20 cm) · 11 gal (40 L)75–81°F (24–27°C)
Lemon cichlid
Neolamprologus leleupi
Freshwater4.5 in (11.5 cm) · 20 gal (75 L)73–81°F (23–27°C)
Lemon damsel
Pomacentrus moluccensis
Saltwater3.5 in (9 cm) · 29 gal (110 L)75–81°F (24–27°C)
Lemon tetra
Hyphessobrycon pulchripinnis
Freshwater2 in (5 cm) · 17 gal (65 L)72–82°F (22–28°C)
Lemon-fin barb
Hypsibarbus wetmorei
Freshwater9.8 in (25 cm) · 106 gal (400 L)72–82°F (22–28°C)
Lemonpeel angelfish
Centropyge flavissima
Saltwater5.5 in (14 cm) · 55 gal (210 L)72–79°F (22–26°C)
Lenticulata pike cichlid
Lugubria lenticulata
Freshwater14.2 in (36 cm) · 185 gal (700 L)75–82°F (24–28°C)
Leopard bush fish
Ctenopoma acutirostre
Freshwater6.3 in (16 cm) · 40 gal (150 L)68–82°F (20–28°C)
Leopard cactus pleco (L114)
Pseudacanthicus cf. leopardus
Freshwater13.8 in (35 cm) · 106 gal (400 L)81–88°F (27–31°C)
Leopard cory
Brochis leopardus
Freshwater2.8 in (7 cm) · 24 gal (90 L)72–79°F (22–26°C)Leopard eel catfish
Ituglanis metae
Freshwater3.1 in (8 cm) · 21 gal (80 L)73–82°F (23–28°C)
Leopard sailfin pleco
Pterygoplichthys gibbiceps
Freshwater18.9 in (48 cm) · 100 gal (380 L)72–86°F (22–30°C)
Leopard wrasse
Macropharyngodon meleagris
Saltwater5.9 in (15 cm) · 90 gal (340 L)72–79°F (22–26°C)
Leptoseris coral
Leptoseris
Saltwater11.8 in (30 cm) · 11 gal (40 L)75–81°F (24–27°C)
Lesser bleeding heart tetra
Hyphessobrycon socolofi
Freshwater2.2 in (5.6 cm) · 24 gal (90 L)73–82°F (23–28°C)
Lesser spiny eel
Macrognathus aculeatus
Freshwater15 in (38 cm) · 85 gal (320 L)73–82°F (23–28°C)
Lettuce coral
Pavona varians
Saltwater9.8 in (25 cm) · 20 gal (75 L)75–81°F (24–27°C)
Lettuce sea slug
Elysia crispata
Saltwater1.6 in (4 cm) · 11 gal (40 L)75–81°F (24–27°C)
Liberian spiny eel
Mastacembelus liberiensis
Freshwater15 in (38 cm) · 79 gal (300 L)73–82°F (23–28°C)
Liberty molly
Poecilia salvatoris
FreshwaterBrackish3.9 in (10 cm) · 24 gal (90 L)72–82°F (22–28°C)
Licorice gourami
Parosphromenus deissneri
Freshwater1.5 in (3.8 cm) · 11 gal (40 L)72–82°F (22–28°C)Likoma utaka
Copadichromis likomae
Freshwater5.5 in (14 cm) · 79 gal (300 L)75–81°F (24–27°C)
Lilith demonfish
Satanoperca lilith
Freshwater11.8 in (30 cm) · 159 gal (600 L)77–84°F (25–29°C)
Line-spot spiny eel
Macrognathus lineatomaculatus
Freshwater8.7 in (22 cm) · 53 gal (200 L)73–82°F (23–28°C)
Lineatus fairy wrasse
Cirrhilabrus lineatus
Saltwater4.7 in (12 cm) · 90 gal (340 L)73–81°F (23–27°C)
Lined barb
Striuntius lineatus
Freshwater2 in (5 cm) · 20 gal (75 L)73–81°F (23–27°C)
Lined blenny
Ecsenius lineatus
Saltwater3.5 in (9 cm) · 20 gal (75 L)72–79°F (22–26°C)
Lined seahorse
Hippocampus erectus
Saltwater7.1 in (18 cm) · 29 gal (110 L)68–79°F (20–26°C)
Link's goby
Amblygobius linki
Saltwater2.8 in (7 cm) · 20 gal (75 L)73–81°F (23–27°C)
Linke's licorice gourami
Parosphromenus linkei
Freshwater1.4 in (3.5 cm) · 11 gal (40 L)72–82°F (22–28°C)
Linke's mouthbrooder
Chromidotilapia linkei
Freshwater3.7 in (9.5 cm) · 53 gal (200 L)73–81°F (23–27°C)
Linn's hap
Nimbochromis linni
Freshwater9.8 in (25 cm) · 159 gal (600 L)75–81°F (24–27°C)
Lipstick goby
Sicyopus rubicundus
Freshwater2 in (5 cm) · 14 gal (54 L)73–81°F (23–27°C)
Livid betta
Betta livida
Freshwater1.4 in (3.6 cm) · 11 gal (40 L)73–81°F (23–27°C)Lividus hap
Haplochromis lividus
Freshwater4.3 in (11 cm) · 53 gal (200 L)73–81°F (23–27°C)
Livingston's cichlid
Nimbochromis livingstonii
Freshwater9.8 in (25 cm) · 74 gal (280 L)75–82°F (24–28°C)
Llanero whiptail
Lamontichthys llanero
Freshwater9.1 in (23 cm) · 79 gal (300 L)75–82°F (24–28°C)
Loach catfish
Aspidoras rochai
Freshwater1.7 in (4.4 cm) · 15 gal (55 L)70–77°F (21–25°C)
Lobed brain coral
Lobophyllia
Saltwater9.8 in (25 cm) · 20 gal (75 L)75–81°F (24–27°C)
Lollipop prawn
Macrobrachium gracilirostre
Freshwater3.9 in (10 cm) · 20 gal (75 L)75–82°F (24–28°C)
Long arm shrimp
Cuapetes sp.
Saltwater0.8 in (2 cm) · 5 gal (20 L)75–82°F (24–28°C)
Long nosed arched cory
Corydoras narcissus
Freshwater2.8 in (7 cm) · 30 gal (115 L)73–77°F (23–25°C)
Long tentacle anemone
Macrodactyla doreensis
Saltwater15.7 in (40 cm) · 40 gal (150 L)75–81°F (24–27°C)
Long-fin tetra
Brycinus longipinnis
Freshwater4.9 in (12.5 cm) · 50 gal (190 L)72–79°F (22–26°C)
Long-polyp flowerpot coral
Goniopora stokesi
Saltwater7.9 in (20 cm) · 26 gal (100 L)75–81°F (24–27°C)
Long-snouted pipefish
Doryichthys boaja
Freshwater16.1 in (41 cm) · 53 gal (200 L)79–82°F (26–28°C)
Long-spine urchin
Diadema setosum
Saltwater9.8 in (25 cm) · 50 gal (190 L)72–79°F (22–26°C)
Long-tentacle plate coral
Heliofungia actiniformis
Saltwater9.8 in (25 cm) · 11 gal (40 L)75–81°F (24–27°C)
Longbody eartheater
Gymnogeophagus mekinos
Freshwater5.1 in (13 cm) · 66 gal (250 L)61–79°F (16–26°C)
Longfin bannerfish
Heniochus acuminatus
Saltwater9.8 in (25 cm) · 127 gal (480 L)75–81°F (24–27°C)
Longfin sifter cichlid
Cribroheros longimanus
Freshwater6.3 in (16 cm) · 79 gal (300 L)75–84°F (24–29°C)
Longhorn cowfish
Lactoria cornuta
Saltwater18.1 in (46 cm) · 250 gal (946 L)75–81°F (24–27°C)
Longmouth pipefish
Doryichthys heterosoma
Freshwater13.4 in (34 cm) · 53 gal (200 L)73–82°F (23–28°C)
Longnose distichodus
Distichodus lusosso
Freshwater15 in (38 cm) · 119 gal (450 L)72–81°F (22–27°C)
Longnose hawkfish
Oxycirrhites typus
Saltwater5.1 in (13 cm) · 29 gal (110 L)72–79°F (22–26°C)
Longnose squeaker
Synodontis longirostris
Freshwater23.6 in (60 cm) · 185 gal (700 L)73–81°F (23–27°C)
Longsnout parananochromis
Parananochromis longirostris
Freshwater4.9 in (12.5 cm) · 53 gal (200 L)73–81°F (23–27°C)
Longspine heart urchin
Maretia planulata
Saltwater2.8 in (7 cm) · 53 gal (200 L)73–81°F (23–27°C)
Longstripe loach
Nemacheilus longistriatus
Freshwater5.9 in (15 cm) · 42 gal (160 L)72–81°F (22–27°C)
Longtail lamprologus
Neolamprologus longicaudatus
Freshwater3.9 in (10 cm) · 42 gal (160 L)75–81°F (24–27°C)
Lopes's tetra
Moenkhausia lopesi
Freshwater1.9 in (4.7 cm) · 20 gal (75 L)72–81°F (22–27°C)
Loreto cory
Hoplisoma loretoense
Freshwater2 in (5 cm) · 16 gal (60 L)72–77°F (22–25°C)
Loreto tetra
Hyphessobrycon loretoensis
Freshwater1.4 in (3.5 cm) · 16 gal (60 L)72–81°F (22–27°C)
Loria's melanochromis
Melanochromis loriae
Freshwater5.5 in (14 cm) · 66 gal (250 L)75–82°F (24–28°C)
Louisiana crayfish
Procambarus clarkii
Freshwater5.9 in (15 cm) · 20 gal (75 L)59–82°F (15–28°C)
Lubbock's fairy wrasse
Cirrhilabrus lubbocki
Saltwater3.1 in (8 cm) · 55 gal (208 L)72–79°F (22–26°C)
Lumbantobing goby
Pseudogobiopsis lumbantobing
Freshwater1.6 in (4 cm) · 11 gal (40 L)75–82°F (24–28°C)
Lunare wrasse
Thalassoma lunare
Saltwater9.8 in (25 cm) · 125 gal (473 L)72–79°F (22–26°C)
Lyons' cichlid
Amphilophus lyonsi
Freshwater7.1 in (18 cm) · 106 gal (400 L)75–84°F (24–29°C)
Lyretail anthias
Pseudanthias squamipinnis
Saltwater5.1 in (13 cm) · 79 gal (300 L)75–81°F (24–27°C)
Lyretail cichlid
Neolamprologus brichardi
Freshwater3.9 in (10 cm) · 29 gal (110 L)73–81°F (23–27°C)
Lyretail grouper
Variola louti
Saltwater31.5 in (80 cm) · 291 gal (1,100 L)75–81°F (24–27°C)
Lyretail hawkfish
Cyprinocirrhites polyactis
Saltwater5.9 in (15 cm) · 40 gal (150 L)72–79°F (22–26°C)
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