Species Catalogue
1,492 species — care guides, community photos, water parameters, and tank-mate compatibility.
Hypnea
Hypnea musciformis
Wiry, reddish-brown branching macroalgae that tangs and rabbitfish readily consume. Grows quickly and provides excellent nutrient export in refugia. Attaches loosely to rubble and rock. One of the most palatable macroalgae for herbivorous reef fish — can be offered directly as live food.
Imitator Corydoras
Corydoras imitator
Indian Glassfish
Parambassis ranga
Ivantsoff's Blue Eye
Pseudomugil ivantsoffi
Ivory Mystery Snail
Pomacea bridgesii
Jack Dempsey
Rocio octofasciata
Jade Mystery Snail
Pomacea bridgesii
Jaguar Cichlid
Parachromis managuensis
Jania
Jania rubens
Feathery, pinkish-white tufts of jointed calcified branches — a beautiful encrusting coralline relative that forms soft mats on rockwork. Provides habitat for tiny amphipods and copepods. A common and welcome hitchhiker on Mediterranean and Atlantic live rock. Tolerates cooler water than most corallines.
Japan Blue Endler
Poecilia wingei
Japanese Cress
Cardamine lyrata
Java Fern Mini
Microsorum pteropus 'Mini'
Java Fern Thor's Hammer
Microsorum pteropus 'Thor's Hammer'
Java Fern Windelov
Microsorum pteropus 'Windelov'
Jellybean Tetra
Ladigesia roloffi
Jewel Cichlid
Hemichromis bimaculatus
Julii Cichlid
Julidochromis transcriptus
Kanoko Shrimp
Neocaridina davidi
Kenyi Cichlid
Maylandia lombardoi
Keyhole Cichlid
Cleithracara maronii
Kilombero Notho
Nothobranchius kilomberoensis
King Kong Shrimp
Caridina cantonensis
Kingsley's Ctenopoma
Ctenopoma kingsleyae
Kissing Gourami
Helostoma temminckii
Kitty Tetra
Hyphessobrycon heliacus
Knight Goby
Stigmatogobius sadanundio
Koi
Cyprinus rubrofuscus
Koi Angelfish
Pterophyllum scalare
Koi Swordtail
Xiphophorus hellerii
Kole Tang
Ctenochaetus strigosus
Koran Angelfish
Pomacanthus semicirculatus
Korthaus's Notho
Nothobranchius korthausae
Kribensis
Pelvicachromis pulcher
Kuhli Loach
Pangio kuhlii
L066 King Tiger Pleco
Hypancistrus sp. L066
L075 Para Pleco
Peckoltia sabaji