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Pond Species

Lotus

Nelumbo nucifera

Care guide, husbandry, breeding, disease, sourcing, and tankmate intelligence on Lotus - written by the Fast Aquatics editorial team and cross-verified against vendor records on the live marketplace.

Lotus at a glance
Adult size: 48 inch height · Minimum tank/pond: 500 gallons (pond) · Difficulty: intermediate · Diet: photosynthetic · Lifespan: perennial years.

Lotus (Nelumbo nucifera) is a pond species kept by aquarists for outdoor pond stocking. Suitable for keepers with 6-12 months of experience and stable water chemistry.

Where Lotus comes from

Lotus (Nelumbo nucifera) is a hardy aquatic plant suited to outdoor pond environments. Naturally found in slow-moving waters, marshes, and pond margins across temperate and tropical zones. Used in ornamental pond design for visual interest, biological filtration, and providing cover for fish.

Lotus tank size and setup

Lotus requires a minimum of 500 gallons (pond) for healthy adults. The minimum is based on the species' adult size (48 inch height), territorial range, and behavior pattern. Most Lotus sold at small juvenile size will reach full adult size within 12-24 months and the system must be sized to the adult, not the juvenile.

For a Lotus setup: outdoor pond with appropriate depth (3+ feet for cold-climate winterization), filtration sized 1.5-2x pond volume per hour, UV clarifier for green-water control, surface skimmer for leaf litter, and either a bottom drain or annual full cleanout.

Browse our 120-gallon aquarium guide for the complete equipment list.

Water parameters for Lotus

Lotus prefers pond parameters appropriate to your climate zone:
Temperature: 50-78°F seasonal swing acceptable for cold-tolerant species; tropical pond species need 70°F+ year-round.
pH: 7.0-8.5
Ammonia + nitrite: Both 0 ppm
Nitrate: Under 40 ppm in established ponds
Dissolved oxygen: 5+ mg/L (aerator non-optional in summer)

Pond water chemistry shifts with rainfall, leaf decay, and bioload. Test biweekly during active season; perform 10-25% water changes monthly to maintain stable parameters.

What Lotus eats

Lotus is a photosynthetic. Powered primarily by photosynthesis through symbiotic zooxanthellae living in the tissue. Supplemental feeding of reef foods supports faster growth but is optional once light + parameters are dialed in. Feed Lotus appropriately for its size + activity level. Overfeeding is the #1 cause of water-quality crashes in tanks of all sizes.

Lotus tankmates and compatibility

Lotus is compatible with similar-temperament pond fish at appropriate stocking. Mixing predatory species (largemouth bass) with smaller pond fish (minnows, juvenile koi) creates a food chain. Plan stocking around adult sizes and territorial behaviors.

Browse care guides for tankmate-compatibility tables for Lotus and similar species.

Lotus adult size and lifespan

Lotus reaches 48 inch height at adulthood with a captive lifespan of perennial years with proper care. Pond fish often outlive their owners under proper care - koi can live 25-50+ years with stable parameters.

Can you breed Lotus?

Lotus propagates through tubers, runners, or division depending on the plant. Most aquatic plants propagate freely once established; trim and replant healthy growth in spring.

Common Lotus diseases and problems

Lotus can develop pond-specific issues: parasites (ich, costia, trichodina), bacterial infections (ulcers, fin rot), and seasonal stress around water temperature transitions. Maintain stable temperature changes (no more than 5°F per day during seasonal shifts), feed appropriately for water temperature, and inspect fish during spring restart for signs of overwintering damage.

Where to buy Lotus online

Lotus is sold at LFS (local fish stores), online retailers, and direct from breeders/wholesalers. Pricing varies widely by source, size, and quality:

Budget tier: $15-60
Mid-tier: $30-150
Premium tier: $100-500

Browse live Lotus from vetted Fast Aquatics vendors with carrier-tracked overnight shipping (FedEx Priority + UPS Next Day), climate-aware hold logic, and a 2-hour DOA window with photo-evidence claims. Captive-bred or aquacultured specimens cost more upfront but arrive healthier and integrate faster.

Lotus FAQ

What size tank does the Lotus need?

Lotus requires a minimum of 500 gallons (pond) for healthy adults. The minimum is based on the species' adult size (48 inch height), territorial range, and behavior pattern. Most Lotus sold at small juvenile size will reach full adult size within 12-24 months and the system must be sized to the adult, not the juvenile.

Is the Lotus hard to keep?

The Lotus is rated intermediate difficulty on this care sheet. It needs a tank of at least 500 gallons (pond) and pH 7.0-8.5. Lotus (Nelumbo nucifera) is a intermediate-care freshwater species that thrives in tanks of 500 gallons or larger with stable parameters. Best paired with peaceful tankmates of similar size and water-chemistry needs.

What water parameters does the Lotus need?

Lotus prefers pond parameters appropriate to your climate zone: Temperature: 50-78°F seasonal swing acceptable for cold-tolerant species; tropical pond species need 70°F+ year-round. pH: 7.0-8.5 Ammonia + nitrite: Both 0 ppm Nitrate: Under 40 ppm in established ponds Dissolved oxygen: 5+ mg/L (aerator non-optional in summer) Pond water chemistry shifts with rainfall, leaf decay, and bioload.

What does the Lotus eat?

Lotus is a photosynthetic. Powered primarily by photosynthesis through symbiotic zooxanthellae living in the tissue. Supplemental feeding of reef foods supports faster growth but is optional once light + parameters are dialed in. Feed Lotus appropriately for its size + activity level.

What are good tankmates for the Lotus?

Lotus is compatible with similar-temperament pond fish at appropriate stocking. Mixing predatory species (largemouth bass) with smaller pond fish (minnows, juvenile koi) creates a food chain. Plan stocking around adult sizes and territorial behaviors. Browse care guides for tankmate-compatibility tables for Lotus and similar species.

How big does the Lotus get and how long does it live?

Lotus reaches 48 inch height at adulthood with a captive lifespan of perennial years with proper care. Pond fish often outlive their owners under proper care - koi can live 25-50+ years with stable parameters. The minimum is based on the species' adult size (48 inch height), territorial range, and behavior pattern.

What are common problems with the Lotus?

Lotus can develop pond-specific issues: parasites (ich, costia, trichodina), bacterial infections (ulcers, fin rot), and seasonal stress around water temperature transitions. Maintain stable temperature changes (no more than 5°F per day during seasonal shifts), feed appropriately for water temperature, and inspect fish during spring restart for signs of overwintering damage.

Where does the Lotus come from in the wild?

Lotus (Nelumbo nucifera) is a hardy aquatic plant suited to outdoor pond environments. Naturally found in slow-moving waters, marshes, and pond margins across temperate and tropical zones. Used in ornamental pond design for visual interest, biological filtration, and providing cover for fish.

Other species in the same category with care profiles on Fast Aquatics. Click any name for the full husbandry breakdown.

Wakin GoldfishPickerel WeedPontederia cordataPumpkinseed SunfishLepomis gibbosusTancho Sanke KoiWhite Cloud Mountain MinnowButterfly KoiCyprinus rubrofuscus

Sources and references

Lotus taxonomy and care recommendations cross-checked against the following authoritative references and our internal vendor + breeder database.

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More resources for Lotus keepers

Common diseases
Helpful calculators
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