All aquarium species: W
All species whose common name starts with W, in alphabetical order. Each card links to its care guide.
60 species and 2 varieties
Walker's barb
Enteromius walkeri
Freshwater4.7 in (12 cm) · 29 gal (110 L)72–81°F (22–27°C)
Walker's killifish
Fundulopanchax walkeri
Freshwater2.4 in (6 cm) · 14 gal (54 L)68–77°F (20–25°C)
Walking catfish
Clarias batrachus
Freshwater23.6 in (60 cm) · 600 gal (2,270 L)68–79°F (20–26°C)
Wallago catfish
Wallago attu
Freshwater59.1 in (150 cm) · 528 gal (2,000 L)72–82°F (22–28°C)
Wandering snail
Ampullaceana balthica
Freshwater0.8 in (2 cm) · 11 gal (40 L)50–84°F (10–29°C)
Wapoga rainbowfish
Melanotaenia rubrivittata
Freshwater2.2 in (5.6 cm) · 24 gal (90 L)75–84°F (24–29°C)
War coral
Favites
Saltwater9.8 in (25 cm) · 20 gal (75 L)75–81°F (24–27°C)
Warzel's dwarf cichlid
Dicrossus warzeli
Freshwater3 in (7.5 cm) · 20 gal (75 L)75–82°F (24–28°C)Waseri betta
Betta waseri
Freshwater3.6 in (9.1 cm) · 26 gal (100 L)72–81°F (22–27°C)
Wasp bee catfish
Akysis vespa
Freshwater1.6 in (4 cm) · 11 gal (40 L)72–79°F (22–26°C)
Watanabei angelfish
Genicanthus watanabei
Saltwater5.9 in (15 cm) · 79 gal (300 L)72–79°F (22–26°C)
Watermelon fiddler crab
Paraleptuca crassipes
Brackish1.2 in (3 cm) · 11 gal (40 L)75–84°F (24–29°C)
Waving hand coral
Anthelia
Saltwater7.9 in (20 cm) · 11 gal (40 L)75–81°F (24–27°C)
Weather loach
Misgurnus anguillicaudatus
Freshwater11 in (28 cm) · 55 gal (210 L)50–73°F (10–23°C)
Wedge sea hare
Dolabella auricularia
Saltwater11.8 in (30 cm) · 50 gal (190 L)75–81°F (24–27°C)
Wedge-striped kuhli loach
Pangio cuneovirgata
Freshwater2.8 in (7 cm) · 20 gal (75 L)70–81°F (21–27°C)
Wedgetail triggerfish
Rhinecanthus rectangulus
Saltwater11.8 in (30 cm) · 106 gal (400 L)75–81°F (24–27°C)
Weeks' bichir
Polypterus weeksii
Freshwater21.3 in (54 cm) · 159 gal (600 L)75–82°F (24–28°C)
Weitzman's cory
Hoplisoma weitzmani
Freshwater2.4 in (6 cm) · 20 gal (75 L)72–79°F (22–26°C)
Weitzman's tetra
Hyphessobrycon weitzmanorum
Freshwater1.2 in (3 cm) · 12 gal (45 L)72–81°F (22–27°C)
Wesseli cichlid
Chortiheros wesseli
Freshwater3.9 in (10 cm) · 66 gal (250 L)75–84°F (24–29°C)
West African bichir
Polypterus retropinnis
Freshwater13.8 in (35 cm) · 53 gal (200 L)77–82°F (25–28°C)
West African bottlenose mormyrid
Mormyrus rume
Freshwater31.5 in (80 cm) · 185 gal (700 L)75–82°F (24–28°C)
West African lungfish
Protopterus annectens
Freshwater39.4 in (100 cm) · 211 gal (800 L)77–86°F (25–30°C)
Western mosquitofish
Gambusia affinis
Freshwater3 in (7.5 cm) · 7 gal (25 L)64–81°F (18–27°C)
Western rainbowfish
Melanotaenia australis
Freshwater4.7 in (12 cm) · 30 gal (115 L)72–81°F (22–27°C)
Wheeler's prawn goby
Amblyeleotris wheeleri
Saltwater3.9 in (10 cm) · 30 gal (114 L)72–79°F (22–26°C)
Whiptail banjo catfish
Platystacus cotylephorus
FreshwaterBrackish12.6 in (32 cm) · 53 gal (200 L)73–82°F (23–28°C)
Whiptail catfish
Rineloricaria sp.
Freshwater4.3 in (11 cm) · 20 gal (75 L)75–84°F (24–29°C)
White claw Towuti crab
Syntripsa flavichela
Freshwater3.1 in (8 cm) · 20 gal (75 L)79–86°F (26–30°C)
White Cloud Mountain minnow
Tanichthys albonubes
Freshwater1.6 in (4 cm) · 12 gal (45 L)57–72°F (14–22°C)2 varieties
White damsel
Dischistodus perspicillatus
Saltwater7.1 in (18 cm) · 75 gal (285 L)75–82°F (24–28°C)
White lethrinops
Lethrinops albus
Freshwater6.3 in (16 cm) · 79 gal (300 L)75–81°F (24–27°C)
White mandarin vampire crab
Geosesarma pontianak
Freshwater0.6 in (1.5 cm) · 10 gal (38 L)72–82°F (22–28°C)
White spot eel
Mastacembelus unicolor
Freshwater21.7 in (55 cm) · 119 gal (450 L)73–82°F (23–28°C)
White spotted rabbit snail
Tylomelania towutica
Freshwater4.3 in (11 cm) · 16 gal (60 L)75–84°F (24–29°C)
White urchin
Lytechinus variegatus
Saltwater3.9 in (10 cm) · 20 gal (75 L)72–81°F (22–27°C)
White whisker lancer catfish
Bagrichthys majusculus
Freshwater7.9 in (20 cm) · 79 gal (300 L)73–81°F (23–27°C)
White wizard snail
Filopaludina martensi
Freshwater2 in (5 cm) · 11 gal (40 L)72–79°F (22–26°C)
White-cheek goby
Rhinogobius duospilus
Freshwater2 in (5 cm) · 16 gal (60 L)61–75°F (16–24°C)
White-spot anemone shrimp
Periclimenes brevicarpalis
Saltwater1.6 in (4 cm) · 11 gal (40 L)75–81°F (24–27°C)
White-spotted cichlid
Tropheus duboisi
Freshwater4.7 in (12 cm) · 29 gal (110 L)73–82°F (23–28°C)
White-spotted spiny eel
Mastacembelus alboguttatus
Freshwater19.3 in (49 cm) · 106 gal (400 L)73–82°F (23–28°C)
White's seahorse
Hippocampus whitei
Saltwater6.3 in (16 cm) · 30 gal (114 L)68–75°F (20–24°C)
Whitecap goby
Lotilia klausewitzi
Saltwater2 in (5 cm) · 11 gal (40 L)73–81°F (23–27°C)
Whitecheek tang
Acanthurus nigricans
Saltwater13.8 in (35 cm) · 129 gal (490 L)75–81°F (24–27°C)
Whiteseam betta
Betta albimarginata
Freshwater1.2 in (3 cm) · 11 gal (40 L)73–82°F (23–28°C)
Whitespot eartheater
Satanoperca leucosticta
Freshwater7.1 in (18 cm) · 79 gal (300 L)75–84°F (24–29°C)
Wilder's mouse catfish
Hassar wilderi
Freshwater9.8 in (25 cm) · 106 gal (400 L)73–82°F (23–28°C)
Wilpita rasbora
Rasbora wilpita
Freshwater3.3 in (8.5 cm) · 29 gal (110 L)73–81°F (23–27°C)
Wimple piranha
Catoprion mento
Freshwater5.9 in (15 cm) · 53 gal (200 L)75–82°F (24–28°C)
Window vieja
Vieja fenestrata
Freshwater11.8 in (30 cm) · 132 gal (500 L)75–84°F (24–29°C)
Wine-red betta
Betta burdigala
Freshwater1.4 in (3.5 cm) · 11 gal (40 L)72–81°F (22–27°C)
Winemiller's eartheater
Geophagus winemilleri
Freshwater9.4 in (24 cm) · 119 gal (450 L)77–84°F (25–29°C)
Wochepa melanochromis
Melanochromis wochepa
Freshwater3.1 in (8 cm) · 53 gal (200 L)75–82°F (24–28°C)
Wolf cichlid
Parachromis dovii
Freshwater27.6 in (70 cm) · 250 gal (946 L)75–82°F (24–28°C)
Wolf fish
Hoplias malabaricus
Freshwater19.7 in (50 cm) · 106 gal (400 L)72–82°F (22–28°C)
Wolverine pleco
Hopliancistrus wolverine
Freshwater7.9 in (20 cm) · 66 gal (250 L)81–88°F (27–31°C)
Wouri krib
Pelvicachromis drachenfelsi
Freshwater3 in (7.5 cm) · 29 gal (110 L)73–81°F (23–27°C)
Wrestling halfbeak
Dermogenys pusilla
FreshwaterBrackish2.8 in (7 cm) · 25 gal (95 L)75–82°F (24–28°C)
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