Glossostigma elatinoides is a classic carpeting plant favored in aquascaping, especially in Iwagumi and nature-style tanks. Here's a rundown of what you need to know:
🌿 Basic Info
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Scientific Name: Glossostigma elatinoides
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Common Name: Glosso
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Origin: New Zealand, Australia, and parts of Asia
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Family: Phrymaceae (formerly Scrophulariaceae)
🪴 Appearance
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Color: Bright green
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Leaf shape: Small, teardrop to spoon-shaped leaves
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Height: 1–3 cm (0.4–1.2 inches)
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Growth habit: Low, creeping carpet
💡 Care Requirements
| Condition | Recommendation |
|---|---|
| Lighting | High (essential to keep it growing low) |
| CO₂ | Strongly recommended for dense carpeting |
| Substrate | Fine-grain, nutrient-rich substrate |
| Temperature | 20–28°C (68–82°F) |
| pH | 5.0–7.5 |
| Hardness | Soft to moderately hard water |
🌱 Growth & Propagation
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Growth rate: Fast with proper care
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Propagation: Sends out runners that form new plantlets
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Trimming: Regular trimming keeps the carpet dense and tidy
⚠️ Tips & Notes
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Without strong light and CO₂, Glosso tends to grow upward rather than spreading flat, which ruins the carpet effect.
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It's one of the more demanding carpet plants, often better suited for experienced aquascapers or high-tech tanks.
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Can be planted in small clumps a few centimeters apart for quicker coverage.
If you're aiming for that clean, lush carpet like in Amano-style tanks, Glossostigma elatinoides is a stunning option—but it rewards good tech and regular maintenance. Want some help pairing it with other plants or planning a layout?
