Species Catalogue
1,444 species — care guides, community photos, water parameters, and tank-mate compatibility.
Roundleaf Lindernia
Lindernia rotundifolia
Roundtail Paradisefish
Macropodus ocellatus
Royal Gramma
Gramma loreto
Royal Pleco
Panaque nigrolineatus
Rubber Lip Pleco
Chaetostoma milesi
Ruby Nerite Snail
Neritina variegata
Ruby Tetra
Axelrodia riesei
Rummy Nose Rasbora
Sawbwa resplendens
Rusty Cichlid
Iodotropheus sprengerae
Ryukin Goldfish
Carassius auratus
Saddleback Clownfish
Amphiprion polymnus
Saddled Bichir
Polypterus endlicheri
Sagittaria Subulata
Sagittaria subulata
Sailfin Molly
Poecilia latipinna
Sailfin Pleco
Pterygoplichthys gibbiceps
Sailfin Tang
Zebrasoma veliferum
Sakura Red Shrimp
Neocaridina davidi
Sakura Rili Shrimp
Neocaridina davidi
Sakura Shrimp
Neocaridina davidi
Salt & Pepper Platy
Xiphophorus maculatus
Salvin's Cichlid
Cichlasoma salvini
Salvinia
Salvinia minima
Salvinia Natans
Salvinia natans
Samolus Valerandi
Samolus valerandi
Samurai Gourami
Sphaerichthys vaillanti
Sardine Cichlid
Cyprichromis leptosoma
Sargassum
Sargassum natans
The iconic free-floating brown macroalgae of the open ocean — forms dense golden-brown mats in the Sargasso Sea. In aquariums it anchors to rock or tumbles freely. Hosts an entire ecosystem of cryptic animals (pipefish, frogfish, shrimp) in the wild. Challenging to keep long-term but impressive in large displays.
Saron Shrimp
Saron marmoratus
Satanoperca Eartheater
Satanoperca leucosticta
Scarlet Badis
Dario dario
Schwartzi Corydoras
Corydoras schwartzi
Scissortail Dartfish
Ptereleotris evides
Scissortail Rasbora
Rasbora trilineata
Scolymia
Scolymia sp.
Scopas Tang
Zebrasoma scopas
Sea Lettuce
Ulva lactuca
Bright green, tissue-thin sheets of macroalgae familiar on coastlines worldwide. Fast-growing nutrient exporter and a relished food for tangs, urchins, and rabbitfish. Tolerates a very wide temperature and salinity range. Can become weedy if not harvested — keep export-focused.