Syngonanthus macrocaulon
Syngonanthus macrocaulon (= Tonina sp. 'Belem')
๐ Brazil ยท Amazon ยท blackwater rivers
Uncommon COโ Required Diff.: โ
โ
โ
๐ Midground/Background
๐ Slow
Most common species โ formerly traded as "Tonina sp. Belem". Compact with dense green crowns on thin stems. Branches naturally under good growth. NEVER cut tops! Requires truly soft blackwater conditions.
โ๏ธ Water parameters
๐ต KH
0โ2 ยฐdKH
โ KH <2ยฐ required โ preferably 0-1ยฐ
๐ฌ POโ
0.05โ0.2 ppm
๐ชจ Ammonia-rich acidic soil required
๐ณ๐ฑ Dutch Style
Easiest Syngonanthus. Ideal entry point for the genus in Dutch style.
๐ก Tips
- NEVER cut the growing tops โ plant will die
- Only thin from bottom to control height
- KH <2ยฐ is the absolute key
- Acidic soil (pH <6.5) required
- Keep COโ stable โ fluctuations cause decline
๐ Problems
โ Plant dies after trimming
โ Growing tops cut โ FATAL
โ Slow decline
โ KH too high (above 2ยฐ)
Syngonanthus lago grande
Syngonanthus sp. 'Lago Grande'
๐ Brazil ยท Lago Grande region
Uncommon COโ Required Diff.: โ
โ
โ
๐ Midground/Background
๐ Slow
Similar to macrocaulon but with more pointed/spiky growing crowns. The spikier crown gives different visual texture. NEVER cut tops. Same soft water requirements.
โ๏ธ Water parameters
๐ต KH
0โ2 ยฐdKH
โ KH <2ยฐ required โ preferably 0-1ยฐ
๐ฌ POโ
0.05โ0.2 ppm
๐ชจ Ammonia-rich acidic soil required
๐ณ๐ฑ Dutch Style
Spikier crown than macrocaulon โ slightly different texture in Dutch style.
๐ก Tips
- NEVER cut the growing tops โ plant will die
- Only thin from bottom to control height
- KH <2ยฐ is the absolute key
- Acidic soil (pH <6.5) required
- Keep COโ stable โ fluctuations cause decline
๐ Problems
โ Plant dies after trimming
โ Growing tops cut โ FATAL
โ Slow decline
โ KH too high (above 2ยฐ)
Syngonanthus manaus / Inondatus
Syngonanthus sp. 'Manaus'
๐ Brazil ยท Manaus region
Uncommon COโ Required Diff.: โ
โ
โ
๐ Midground/Background
๐ Slow
Larger species than macrocaulon. Similar appearance but grows significantly taller. Inondatus may also refer to the same strain. Same soft water requirements as macrocaulon.
โ๏ธ Water parameters
๐ต KH
0โ2 ยฐdKH
โ KH <2ยฐ required โ preferably 0-1ยฐ
๐ฌ POโ
0.05โ0.2 ppm
๐ชจ Ammonia-rich acidic soil required
๐ณ๐ฑ Dutch Style
Larger version of macrocaulon for background in Dutch style.
๐ก Tips
- NEVER cut the growing tops โ plant will die
- Only thin from bottom to control height
- KH <2ยฐ is the absolute key
- Acidic soil (pH <6.5) required
- Keep COโ stable โ fluctuations cause decline
๐ Problems
โ Plant dies after trimming
โ Growing tops cut โ FATAL
โ Slow decline
โ KH too high (above 2ยฐ)
Syngonanthus Rio Negro Giant
Syngonanthus sp. 'Rio Negro Giant'
๐ Brazil ยท Rio Negro
Uncommon COโ Required Diff.: โ
โ
โ
๐ Midground/Background
๐ Slow
Largest Syngonanthus variant. Impressive branching stems. NEVER cut tops. Same ultra-soft water requirements as all Syngonanthus species.
โ๏ธ Water parameters
๐ต KH
0โ2 ยฐdKH
โ KH <2ยฐ required โ preferably 0-1ยฐ
๐ฌ POโ
0.05โ0.2 ppm
๐ชจ Ammonia-rich acidic soil required
๐ณ๐ฑ Dutch Style
Largest species โ impressive background in Dutch style. Large tank needed.
๐ก Tips
- NEVER cut the growing tops โ plant will die
- Only thin from bottom to control height
- KH <2ยฐ is the absolute key
- Acidic soil (pH <6.5) required
- Keep COโ stable โ fluctuations cause decline
๐ Problems
โ Plant dies after trimming
โ Growing tops cut โ FATAL
โ Slow decline
โ KH too high (above 2ยฐ)
Syngonanthus caulescens / Bolivia 2002
Syngonanthus caulescens (= Eriocaulon Bolivia 2002)
๐ South America ยท Bolivia / Brazil
Uncommon COโ Required Diff.: โ
โ
โ
๐ Midground/Background
๐ Slow
Synonym of the species formerly traded as "Eriocaulon Bolivia 2002". One of the earlier introductions to the hobby. Same soft water requirements as other Syngonanthus species.
โ๏ธ Water parameters
๐ต KH
0โ2 ยฐdKH
โ KH <2ยฐ required โ preferably 0-1ยฐ
๐ฌ POโ
0.05โ0.2 ppm
๐ชจ Ammonia-rich acidic soil required
๐ณ๐ฑ Dutch Style
Early introduced Syngonanthus. NEVER cut tops.
๐ก Tips
- NEVER cut the growing tops โ plant will die
- Only thin from bottom to control height
- KH <2ยฐ is the absolute key
- Acidic soil (pH <6.5) required
- Keep COโ stable โ fluctuations cause decline
๐ Problems
โ Plant dies after trimming
โ Growing tops cut โ FATAL
โ Slow decline
โ KH too high (above 2ยฐ)
Syngonanthus Madeira
Syngonanthus sp. 'Madeira'
๐ Brazil ยท Madeira river
Uncommon COโ Required Diff.: โ
โ
โ
๐ Midground/Background
๐ Slow
Syngonanthus species from the Madeira river area in Brazil. Similar in care to macrocaulon but slightly less available. Ultra-soft water essential.
โ๏ธ Water parameters
๐ต KH
0โ2 ยฐdKH
โ KH <2ยฐ required โ preferably 0-1ยฐ
๐ฌ POโ
0.05โ0.2 ppm
๐ชจ Ammonia-rich acidic soil required
๐ณ๐ฑ Dutch Style
Madeira river Syngonanthus variant for Dutch style.
๐ก Tips
- NEVER cut the growing tops โ plant will die
- Only thin from bottom to control height
- KH <2ยฐ is the absolute key
- Acidic soil (pH <6.5) required
- Keep COโ stable โ fluctuations cause decline
๐ Problems
โ Plant dies after trimming
โ Growing tops cut โ FATAL
โ Slow decline
โ KH too high (above 2ยฐ)
Syngonanthus Pedra
Syngonanthus sp. 'Pedra'
๐ Brazil ยท rocky rapids
Rare COโ Required Diff.: โ
โ
โ
๐ Midground/Background
๐ Slow
Rare and demanding Syngonanthus from rocky rapids. KH preferably 0 (ultra-soft). One of the most difficult species in the genus. Only for the most experienced soft water aquarists.
โ๏ธ Water parameters
๐ต KH
0โ1 ยฐdKH
โ KH preferably 0 โ ultra-soft water
๐ฌ POโ
0.05โ0.2 ppm
๐ชจ Ammonia-rich acidic soil required
๐ณ๐ฑ Dutch Style
Rare demanding Syngonanthus for experts with ultra-soft water setup.
๐ก Tips
- NEVER cut the growing tops โ plant will die
- Only thin from bottom to control height
- KH <2ยฐ is the absolute key
- Acidic soil (pH <6.5) required
- Keep COโ stable โ fluctuations cause decline
- KH preferably 0 โ hardest of all Syngonanthus
- Ultra-soft water required
๐ Problems
โ Plant dies after trimming
โ Growing tops cut โ FATAL
โ Slow decline
โ KH too high (above 2ยฐ)
Syngonanthus Uaupes
Syngonanthus sp. 'Uaupes'
๐ Brazil ยท Uaupes river (Rio Vaupรฉs)
Uncommon COโ Required Diff.: โ
โ
โ
๐ Midground/Background
๐ Slow
Syngonanthus species from the Uaupes/Vaupรฉs river area on the Brazil-Colombia border. Similar soft water requirements to other species. Medium-high difficulty.
โ๏ธ Water parameters
๐ต KH
0โ2 ยฐdKH
โ KH <2ยฐ required โ preferably 0-1ยฐ
๐ฌ POโ
0.05โ0.2 ppm
๐ชจ Ammonia-rich acidic soil required
๐ณ๐ฑ Dutch Style
Uaupes river Syngonanthus for Dutch style.
๐ก Tips
- NEVER cut the growing tops โ plant will die
- Only thin from bottom to control height
- KH <2ยฐ is the absolute key
- Acidic soil (pH <6.5) required
- Keep COโ stable โ fluctuations cause decline
๐ Problems
โ Plant dies after trimming
โ Growing tops cut โ FATAL
โ Slow decline
โ KH too high (above 2ยฐ)
Syngonanthus Vichada
Syngonanthus sp. 'Vichada'
๐ Colombia ยท Vichada department
Uncommon COโ Required Diff.: โ
โ
โ
๐ Midground/Background
๐ Slow
Colombian species from the Vichada department. Similar soft water requirements to other Syngonanthus. NEVER cut tops.
โ๏ธ Water parameters
๐ต KH
0โ2 ยฐdKH
โ KH <2ยฐ required โ preferably 0-1ยฐ
๐ฌ POโ
0.05โ0.2 ppm
๐ชจ Ammonia-rich acidic soil required
๐ณ๐ฑ Dutch Style
Colombian Vichada Syngonanthus for Dutch style.
๐ก Tips
- NEVER cut the growing tops โ plant will die
- Only thin from bottom to control height
- KH <2ยฐ is the absolute key
- Acidic soil (pH <6.5) required
- Keep COโ stable โ fluctuations cause decline
๐ Problems
โ Plant dies after trimming
โ Growing tops cut โ FATAL
โ Slow decline
โ KH too high (above 2ยฐ)
Syngonanthus La Lindosa
Syngonanthus sp. 'La Lindosa'
๐ Colombia ยท La Lindosa region
Rare COโ Required Diff.: โ
โ
โ
๐ Midground/Background
๐ Slow
Rare Syngonanthus from the La Lindosa area in Colombia. Highly priced (โฌ35). Similar ultra-soft water requirements. Limited availability.
โ๏ธ Water parameters
๐ต KH
0โ2 ยฐdKH
โ KH <2ยฐ required โ preferably 0-1ยฐ
๐ฌ POโ
0.05โ0.2 ppm
๐ชจ Ammonia-rich acidic soil required
๐ณ๐ฑ Dutch Style
Rare Colombian Syngonanthus. Ultra-soft water setup required.
๐ก Tips
- NEVER cut the growing tops โ plant will die
- Only thin from bottom to control height
- KH <2ยฐ is the absolute key
- Acidic soil (pH <6.5) required
- Keep COโ stable โ fluctuations cause decline
๐ Problems
โ Plant dies after trimming
โ Growing tops cut โ FATAL
โ Slow decline
โ KH too high (above 2ยฐ)
Tonina fluviatilis
Tonina fluviatilis Aubl.
๐ Amazon ยท Venezuela ยท Brazil ยท Guyana ยท rivers
Uncommon COโ Required Diff.: โ
โ
โ
๐ Midground/Background
๐ Slow
Classic soft-water stem plant with whorls of fine leaves. Similar to Syngonanthus but is a separate genus. NEVER cut tops โ fatal. Acidic soil essential. Requires ultra-soft water conditions (KH <2ยฐ).
โ๏ธ Water parameters
๐ต KH
0โ2 ยฐdKH
โ KH <2ยฐ required โ preferably 0-1ยฐ
๐ฌ POโ
0.05โ0.2 ppm
๐ชจ Ammonia-rich acidic soil required
๐ณ๐ฑ Dutch Style
Classic soft-water stem plant. NEVER cut tops.
๐ก Tips
- NEVER cut the growing tops โ plant will die
- Only thin from bottom to control height
- KH <2ยฐ is the absolute key
- Acidic soil (pH <6.5) required
- Keep COโ stable โ fluctuations cause decline
๐ Problems
โ Plant dies after trimming
โ Growing tops cut โ FATAL
โ Slow decline
โ KH too high (above 2ยฐ)
Tonina fluviatilis Lotus Blossom
Tonina fluviatilis 'Lotus Blossom'
๐ Amazon ยท Brazil
Rare COโ Required Diff.: โ
โ
โ
๐ Midground/Background
๐ Slow
Popular Tonina variety with characteristic lotus-like growing heads. Spectacular compound flower-bud appearance. Same ultra-soft water requirements as T. fluviatilis. NEVER cut tops.
โ๏ธ Water parameters
๐ต KH
0โ2 ยฐdKH
โ KH <2ยฐ required โ preferably 0-1ยฐ
๐ฌ POโ
0.05โ0.2 ppm
๐ชจ Ammonia-rich acidic soil required
๐ณ๐ฑ Dutch Style
Lotus-like growing heads are spectacular. Ultra-soft water required.
๐ก Tips
- NEVER cut the growing tops โ plant will die
- Only thin from bottom to control height
- KH <2ยฐ is the absolute key
- Acidic soil (pH <6.5) required
- Keep COโ stable โ fluctuations cause decline
๐ Problems
โ Plant dies after trimming
โ Growing tops cut โ FATAL
โ Slow decline
โ KH too high (above 2ยฐ)
Tonina Tocantis
Tonina sp. 'Tocantis'
๐ Brazil ยท Tocantins river
Uncommon COโ Required Diff.: โ
โ
โ
๐ Midground/Background
๐ Slow
Tonina variant from the Tocantins river area. Similar soft water requirements as T. fluviatilis. NEVER cut tops.
โ๏ธ Water parameters
๐ต KH
0โ2 ยฐdKH
โ KH <2ยฐ required โ preferably 0-1ยฐ
๐ฌ POโ
0.05โ0.2 ppm
๐ชจ Ammonia-rich acidic soil required
๐ณ๐ฑ Dutch Style
Tocantins river Tonina. NEVER cut tops.
๐ก Tips
- NEVER cut the growing tops โ plant will die
- Only thin from bottom to control height
- KH <2ยฐ is the absolute key
- Acidic soil (pH <6.5) required
- Keep COโ stable โ fluctuations cause decline
๐ Problems
โ Plant dies after trimming
โ Growing tops cut โ FATAL
โ Slow decline
โ KH too high (above 2ยฐ)
Data: STRAAT Dutch Style ยท Aquasabi ยท community-verified sources | 2026 Aquabloom