Species Catalogue
581 species matching your filters — care guides, community photos, water parameters, and tank-mate compatibility.
Queen Loach
Botia dario
Queen Moss
Hydropogonella gymnostoma
Quillwort
Isoetes velata
Raccoon Butterflyfish
Chaetodon lunula
Rainbow Cichlid
Herotilapia multispinosa
Rainbow Emperor Tetra
Nematobrycon lacortei
Ranchu Goldfish
Carassius auratus
Red Claw Crab
Perisesarma bidens
Red Claw Crayfish
Cherax quadricarinatus
Red Grape Algae
Botryocladia sp.
Rare and coveted — clusters of translucent, deep-red spherical bladders like bunches of miniature grapes. A showpiece macroalgae that attaches to live rock. Slow-growing and sensitive; requires stable, high-quality water. Highly sought after for display refugia and naturally deters herbivorous fish.
Red Hook Silver Dollar
Myloplus rubripinnis
Red Hump Eartheater
Geophagus steindachneri
Red King Kong Shrimp
Caridina cantonensis
Red Line Shrimp
Caridina thambipillai
Red Melon Badis
Dario hysginon
Red Neon Blue Eye
Pseudomugil luminatus
Red Oscar
Astronotus ocellatus
Red Ruby Shrimp
Caridina logemanni
Red Tibee Shrimp
Caridina sp. (Tibee)
Red Wine Shrimp
Caridina logemanni
Red Zebra Cichlid
Maylandia estherae
Red-Bellied Piranha
Pygocentrus nattereri
Red-Striped Killifish
Aphyosemion striatum
Red-Tailed Black Shark
Epalzeorhynchos bicolor
Redtail Botia
Yasuhikotakia modesta
Rhino Shrimp
Caridina serratirostris
Rhizoclonium
Rhizoclonium sp.
Thin, cotton-like green threads that form loose, easily detached clumps — often confused with hair algae but coarser and more tangled. Tends to form clumps rather than sheets. Usually caused by excess ammonia or organics in new tanks. Amano shrimp and Florida Flagfish handle it well.
River Buttercup
Ranunculus inundatus
Rope Fish
Erpetoichthys calabaricus
Rose Moss
Taxiphyllum sp. 'Rose'
Rosetail Betta
Betta splendens 'Rosetail'
Rotala Bonsai
Rotala sp. Bonsai
Rotala Colorata
Rotala sp. 'Colorata'
Rotala Enie
Rotala sp. 'Enie'
Rotala Florida
Rotala sp. 'Florida'
Rotala Mexicana
Rotala mexicana
A delicate fine-leaved stem plant native to Mexico, with small rounded leaves that take on warm pink to orange tones under high light and CO2. Best planted in dense bunches for a feathery, textured effect in the midground or background.