Tetras Care Guides
Peaceful schooling fish that bring shimmering movement to planted community aquariums.
Neon Tetra
Paracheirodon innesi
A dazzling red-and-blue schooler that defines the classic planted community tank.
Cardinal Tetra
Paracheirodon axelrodi
Brighter and slightly larger than the neon, with red running the full length of the body.
Glowlight Tetra
Hemigrammus erythrozonus
A gentle silver fish lit by a glowing orange-red stripe.
Black Neon Tetra
Hyphessobrycon herbertaxelrodi
A hardy tetra with a silver-and-black stripe and a bright green eye.
Ember Tetra
Hyphessobrycon amandae
A tiny glowing-orange nano fish perfect for planted aquascapes.
Congo Tetra
Phenacogrammus interruptus
A large, shimmering iridescent tetra with flowing fins.
Lemon Tetra
Hyphessobrycon pulchripinnis
A translucent yellow tetra with striking lemon-and-black fin edges.
Rummy Nose Tetra
Hemigrammus rhodostomus
Famous for its bright red nose and the tightest schooling of any tetra.
Bloodfin Tetra
Aphyocharax anisitsi
A hardy, active silver tetra with vivid blood-red fins.
Diamond Tetra
Moenkhausia pittieri
A sparkling fish whose scales glitter like cut diamonds under light.
Blue Emperor Tetra
Inpaichthys kerri
A peaceful tetra glowing with a neon blue-violet stripe along its body.
Buenos Aires Tetra
Hyphessobrycon anisitsi
A large, hardy, very active tetra that will nip fins and eat soft plants.
Serpae Tetra
Hyphessobrycon eques
A deep blood-red tetra that is beautiful but a notorious fin-nipper in small groups.
Pristella Tetra
Pristella maxillaris
The hardy X-ray tetra, a translucent fish with black-and-yellow fin flashes.
Gold Tetra
Hemigrammus rodwayi
A peaceful tetra with a natural golden shimmer across its body.
Green Neon Tetra
Paracheirodon simulans
A smaller, even more blue-green cousin of the neon tetra for warm soft-water tanks.
Black Phantom Tetra
Hyphessobrycon megalopterus
A smoky-grey tetra whose males display dramatic black fins when sparring.
Red Phantom Tetra
Hyphessobrycon sweglesi
A glowing red tetra that shoals beautifully in soft, planted blackwater tanks.
Emperor Tetra
Nematobrycon palmeri
A regal purple-and-gold tetra with striking blue eyes.
Bleeding Heart Tetra
Hyphessobrycon erythrostigma
A large silvery tetra marked with a single red 'bleeding heart' spot.
Black Skirt Tetra
Gymnocorymbus ternetzi
A hardy, deep-bodied tetra with flowing black fins, great for beginners.
Colombian Tetra
Hyphessobrycon columbianus
A robust silver tetra with red fins and a blue sheen, can be a little nippy.
Silvertip Tetra
Hasemania nana
A coppery-gold tetra tipped with white on every fin.
Penguin Tetra
Thayeria boehlkei
A hockey-stick-striped tetra that swims at a distinctive head-up angle.
Flame Tetra
Hyphessobrycon flammeus
A hardy fiery-red 'Rio' tetra that suits cooler community tanks.
Green Fire Tetra
Aphyocharax rathbuni
A small tetra glowing green and red, lively and easy to keep.
Marble Hatchetfish
Carnegiella strigata
A quirky surface-dwelling fish that needs a tight lid as it can leap and 'fly'.
Beacon Tetra
Hemigrammus ocellifer
The head-and-tail-light tetra, with glowing gold spots front and back.
Red Eye Tetra
Moenkhausia sanctaefilomenae
A hardy silver tetra with a bright red eye-stripe and a black tail bar.
Rosy Tetra
Hyphessobrycon rosaceus
A soft pink tetra with flowing fins, peaceful and easy to keep.
Cochu's Blue Tetra
Boehlkea fredcochui
A shimmering powder-blue tetra that schools beautifully under good light.
Ruby Tetra
Axelrodia riesei
A tiny, glowing ruby-red nano tetra for soft, planted blackwater tanks.
Loreto Tetra
Hyphessobrycon loretoensis
A sleek tetra with a neon blue-gold line and a black tail spot.
Green Neon Tetra Deluxe
Paracheirodon simulans
A smaller, bluer cousin of the neon tetra for warm soft-water aquascapes.
Marbled Hatchetfish Deluxe
Carnegiella strigata
A surface-dwelling 'flying' fish that needs a tight lid and a calm tank.
Splash Tetra
Copella arnoldi
A unique tetra famous for laying its eggs on leaves above the waterline.
Bucktooth Tetra
Exodon paradoxus
A fast, scale-eating predatory tetra that must be kept in a large group only.