Schooling freshwater fish: M
All schooling freshwater fish whose common name starts with M, in alphabetical order. Each card links to its care guide.
34 species
Mad barb
Leptobarbus hoevenii
Freshwater23.6 in (60 cm) · 317 gal (1,200 L)72–82°F (22–28°C)
Madagascar rainbowfish
Bedotia madagascariensis
Freshwater3.3 in (8.5 cm) · 45 gal (170 L)73–90°F (23–32°C)
Madre de Dios tetra
Hyphessobrycon nigricinctus
Freshwater1.6 in (4 cm) · 15 gal (55 L)72–81°F (22–27°C)
Maharaja barb
Puntius sahyadriensis
Freshwater3.5 in (9 cm) · 29 gal (110 L)68–79°F (20–26°C)
Malabar baril
Opsarius malabaricus
Freshwater4.3 in (11 cm) · 42 gal (160 L)68–79°F (20–26°C)
Malabar danio
Devario malabaricus
Freshwater5.1 in (13 cm) · 48 gal (180 L)64–77°F (18–25°C)
Malayan harlequin rasbora
Trigonostigma truncata
Freshwater1.2 in (3 cm) · 14 gal (54 L)72–81°F (22–27°C)
Manipur barb
Pethia manipurensis
Freshwater1.8 in (4.5 cm) · 14 gal (54 L)68–77°F (20–25°C)
Many-spotted cory
Hoplisoma polystictum
Freshwater1.6 in (4 cm) · 15 gal (55 L)72–81°F (22–27°C)
Marbled hatchetfish
Carnegiella strigata
Freshwater1.6 in (4 cm) · 32 gal (120 L)68–82°F (20–28°C)
Marbled headstander
Abramites hypselonotus
Freshwater5.5 in (14 cm) · 70 gal (265 L)68–86°F (20–30°C)
Margitae tetra
Hyphessobrycon margitae
Freshwater1.9 in (4.8 cm) · 16 gal (60 L)72–81°F (22–27°C)
Marilyn's pencilfish
Nannostomus marilynae
Freshwater2 in (5 cm) · 14 gal (54 L)73–81°F (23–27°C)
Martorell's barb
Enteromius martorelli
Freshwater3.5 in (9 cm) · 24 gal (90 L)72–81°F (22–27°C)
Mascara barb
Dawkinsia assimilis
Freshwater4.7 in (12 cm) · 53 gal (200 L)66–77°F (19–25°C)
Masked cory
Hoplisoma metae
Freshwater2 in (5 cm) · 15 gal (55 L)70–79°F (21–26°C)
Matano ricefish
Oryzias matanensis
Freshwater2.2 in (5.5 cm) · 20 gal (75 L)72–79°F (22–26°C)
Mayan tetra
Hyphessobrycon compressus
Freshwater1.8 in (4.5 cm) · 16 gal (60 L)68–79°F (20–26°C)
Medaka
Oryzias latipes
Freshwater1.4 in (3.5 cm) · 9 gal (35 L)61–72°F (16–22°C)
Meghalaya danio
Danio meghalayensis
Freshwater2.4 in (6 cm) · 24 gal (90 L)64–75°F (18–24°C)
Mekong ricefish
Oryzias mekongensis
Freshwater1.2 in (3 cm) · 11 gal (40 L)72–79°F (22–26°C)
Melanostichos tetra
Hyphessobrycon melanostichos
Freshwater1.7 in (4.4 cm) · 16 gal (60 L)72–81°F (22–27°C)
Melon barb
Haludaria fasciata
Freshwater2.8 in (7 cm) · 40 gal (150 L)72–79°F (22–26°C)
Micro rasbora
Boraras micros
Freshwater0.6 in (1.5 cm) · 8 gal (30 L)72–79°F (22–26°C)
Micropterus tetra
Hyphessobrycon micropterus
Freshwater1.3 in (3.2 cm) · 12 gal (45 L)72–81°F (22–27°C)
Miguelito cory
Brochis virginiae
Freshwater2.4 in (6 cm) · 20 gal (75 L)72–79°F (22–26°C)
Millennium rainbowfish
Glossolepis pseudoincisa
Freshwater3.6 in (9.2 cm) · 42 gal (160 L)75–84°F (24–29°C)
Mini shark cat
Pseudeutropius brachypopterus
Freshwater4.3 in (11 cm) · 30 gal (112 L)73–82°F (23–28°C)
Moniliger tetra
Hyphessobrycon moniliger
Freshwater1.5 in (3.7 cm) · 15 gal (55 L)72–82°F (22–28°C)
Montag's tetra
Hyphessobrycon montagi
Freshwater1.5 in (3.7 cm) · 15 gal (55 L)73–82°F (23–28°C)
Moolenburgh's glass catfish
Pseudeutropius moolenburghae
Freshwater3.9 in (10 cm) · 30 gal (112 L)73–82°F (23–28°C)
Mosaic cory
Brochis haraldschultzi
Freshwater2.8 in (7 cm) · 20 gal (75 L)75–82°F (24–28°C)
Mount Nimba lampeye
Rhexipanchax nimbaensis
Freshwater1.8 in (4.5 cm) · 14 gal (54 L)68–75°F (20–24°C)
Moustached danio
Danio dangila
Freshwater5.1 in (13 cm) · 32 gal (120 L)68–79°F (20–26°C)
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