Species Catalogue
1,376 species — care guides, community photos, water parameters, and tank-mate compatibility.
Neon Goby
Elacatinus oceanops
Neon Green Rasbora
Microdevario kubotai
Neon Rainbowfish
Melanotaenia praecox
Neon Rasbora
Sundadanio axelrodi
Neon Red Crayfish
Cambarellus patzcuarensis var. Orange
beginnerNeon Tetra
Paracheirodon innesi
Nerite Snail
Neritina natalensis
Nesaea Crassicaulis
Nesaea crassicaulis
A striking stem plant with relatively large, broadly oval leaves that take on vivid orange-red tones under high light. The thick stems give it its species name (crassicaulis = thick-stemmed). It requires good light, CO2, and regular fertilisation but rewards with some of the most vivid colouration of any aquatic stem plant.
Nesaea Golden
Nesaea pedicellata 'Golden'
Vibrant golden-orange stem plant that stands out from typical reds and greens. Demanding but creates unique colour contrast in high-tech scapes.
Niger Triggerfish
Odonus niger
Nijssen's Corydoras
Corydoras nijsseni
No Entry Shrimp
Caridina logemanni
Norman's Lampeye
Poropanchax normani
Norman's Lampeye Killifish
Poropanchax normani
Nothobranchius Killifish
Nothobranchius rachovii
Nymphaea Stellata
Nymphaea stellata
Nymphaea Stellata is a stunning red water lily with star-shaped leaves that deepen in color under high light conditions. This rooted stem plant produces both submerged and floating leaves, creating a striking visual focal point in the aquarium. It is moderately demanding but rewarding for aquarists willing to provide adequate lighting and nutrients.
Nymphoides Taiwan
Nymphoides sp. 'Taiwan'
Taiwan Nymphoides produces attractive round-to-heart-shaped leaves with reddish-brown mottling on the underside. It spreads by runners and can be kept compact with regular trimming. Unlike surface-growing Nymphoides, it stays submerged in good lighting. A distinctive mid-ground to background plant with a bold, pond-like aesthetic.
Ocellaris Clownfish
Amphiprion ocellaris
Ocellifer Synodontis
Synodontis ocellifer
Octopus Plant
Pogostemon octopus
Unique plant with long, thin tentacle-like leaves arranged in whorls. Fast-growing, forgiving, and adaptable. Excellent hiding place for fry and shrimp.
Odessa Barb
Pethia padamya
Odora Hygrophila
Hygrophila odora
A lesser-known species with elegant, slightly wavy narrow leaves. Grows quickly in good conditions and provides dense cover for fish and invertebrates. The emersed form produces small fragrant flowers, giving the species its name.
Olive Nerite Snail
Neritina reclivata
One-Lined Pencilfish
Nannostomus unifasciatus
Opaline Gourami
Trichopodus trichopterus
Open Brain Coral
Trachyphyllia geoffroyi
Oranda Goldfish
Carassius auratus
Orange Eye Blue Tiger Shrimp
Caridina mariae var. OEBT
Orange Flash Cockatoo Dwarf Cichlid
Apistogramma cacatuoides
Orange Molly
Poecilia sphenops
Orange Neocaridina
Neocaridina davidi
Orange Poso Rabbit Snail
Tylomelania gemmifera
Orange Pumpkin Shrimp
Neocaridina davidi
Orange Rili Shrimp
Neocaridina davidi 'Orange Rili'
Orange Sakura Shrimp
Neocaridina davidi
Orange Swordtail
Xiphophorus hellerii