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Is Sivadasan's Crypt a Good Plant for Pungas Catfish?

Reviewed by Guidarium Editorial DeskUpdated May 7, 2026
Strong Fit

Sivadasan's Crypt is a strong fit for Pungas Catfish. The shared water window is realistic, and the plant has enough structure or resilience to be useful in a tank built around this fish. Fish pressure is low, so the plant can be judged mostly on water match, cover value, and layout role.

Sivadasan's Crypt

Cryptocoryne sivadasanii

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PlacementMidground
LightLow
DifficultyIntermediate
Size50 × 15 cm

Pungas Catfish

Pangasius pangasius

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TemperamentMostly Peaceful
FamilyCatfish
Temp22–28°C
Water TypeBrackish Tolerant

Quick Decision

A plant can be technically compatible with a fish and still fail in the actual tank if the fish digs, chews, needs denser cover, or uses a different part of the layout.

Overall fit

100/100

The plant and fish suit each other well.

Water match

Workable overlap

Shared range: 22-28°C, pH 6.5-7.5, 5-15 dGH.

Plant pressure

Low

Pungas Catfish is not flagged as unusually hard on this plant.

Layout value

Moderate cover

Sivadasan's Crypt helps with breaks lines of sight and good refuge for shrimp.

Plant and Fish Fit Notes

Use these signals to decide whether the plant is doing useful work for the fish, or whether it is only surviving beside it.

Temperature
Sivadasan's Crypt20-28°C
Pungas Catfish22-28°C

Overlap: 22-28°C.

pH
Sivadasan's Crypt5.5-7.5
Pungas Catfish6.5-8

Overlap: pH 6.5-7.5.

Hardness
Sivadasan's Crypt2-15 dGH
Pungas Catfish5-20 dGH

Overlap: 5-15 dGH.

Water and flow
Sivadasan's CryptFreshwater Only, Moderate (Standard)
Pungas CatfishBrackish Tolerant, Moderate (Standard)

Flow expectations are close enough for one layout.

Space used
Sivadasan's CryptMidground and Background
Pungas CatfishMiddle (Open Water) and Bottom (Substrate)
Pressure signals
Sivadasan's CryptModerate uproot resistance, Standard leaves
Pungas CatfishMostly Peaceful, Piscivore (Eats small/nano fish), Hyperactive / Fast Swimmer, and Shy / Slow Moving (Easily Stressed)

Plant pressure: Low.

Planting value
Sivadasan's CryptBreaks lines of sight and Good refuge for shrimp, Nutrient-rich substrate preferred
Pungas CatfishSmooth Gravel (Sensitive Barbels) and Sand (Sifters)

Shared Tank Conditions

Sivadasan's Crypt fits inside the water range normally used for Pungas Catfish. The shared window is about 22 to 28 °C, pH 6.5 to 7.5, and 5 to 15 dGH, which gives you enough room to aim for stable middle-ground conditions.

Both do best with moderate flow, so circulation does not need to be split into competing zones.

Water type can work if the tank stays in the shared part of freshwater and freshwater to lightly brackish water conditions.

Fish Pressure and Plant Resilience

Pungas Catfish does not put unusual pressure on this plant compared with harder fish-plant combinations.

Sivadasan's Crypt has moderate cover density, moderate uproot resistance, and standard leaves. It can also help with breaking up sight lines and shrimp refuge.

It gives Pungas Catfish useful visual shelter and line-of-sight breaks.

There is no special plant-pressure warning here, so solid anchoring and stable husbandry matter more than unusual protection.

Layout Fit

Sivadasan's Crypt is a rosette / crown plant usually used midground and background.

Pungas Catfish is a catfish, so the pairing works best when the planting style supports how that fish uses space and cover.

Sivadasan's Crypt reaches about 50 cm tall by 15 cm wide and is usually rooted in substrate with nutrient-rich substrate preferred. That makes placement and anchoring more important than simply adding a larger bunch of stems or leaves.

In this pairing, the useful plant values are line-of-sight breaks and shrimp refuge. Place it where Pungas Catfish can actually use that structure instead of hiding the plant where it cannot do much.

Practical Recommendation

This is a sensible planted-tank choice for Pungas Catfish, especially when you want the plant to do real work as cover, sight-line structure, or habitat detail.

The decision should center on layout quality: keep the plant in the zone where Pungas Catfish actually swims, shelters, or uses cover.

Best Use Case

Sivadasan's Crypt is a strong choice for Pungas Catfish when you want the plant to do real work in the tank, not just survive in the background. The pairing tends to perform best when the plant's cover, resilience, or placement naturally supports how the fish moves, hides, or claims space.

Frequently Asked Questions About Sivadasan's Crypt and Pungas Catfish

Is Sivadasan's Crypt a good plant for Pungas Catfish?

Sivadasan's Crypt is a strong fit for Pungas Catfish. The shared water window is realistic, and the plant has enough structure or resilience to be useful in a tank built around this fish. Fish pressure is low, so the plant can be judged mostly on water match, cover value, and layout role.

Can Pungas Catfish damage Sivadasan's Crypt?

Sivadasan's Crypt is not especially vulnerable in this pairing compared with softer or more lightly rooted plants. Its standard leaves and moderate uproot resistance are the useful signals to watch.

Do Sivadasan's Crypt and Pungas Catfish share the same water conditions?

Sivadasan's Crypt and Pungas Catfish share a workable water window around 22 to 28 °C, pH 6.5 to 7.5, and 5 to 15 dGH. Keep the tank near the middle of that overlap for the best long-term result.

What does Sivadasan's Crypt add to a tank with Pungas Catfish?

It gives Pungas Catfish useful visual shelter and line-of-sight breaks.

What is the main risk in this plant and fish pairing?

The main risk is assuming one plant can solve every layout need. Fish still need the right hardscape, open swimming room, and cover density for their normal behaviour.

Editorial Review

Guidarium Editorial Desk

Reviewed against Guidarium care, stocking, and compatibility standards. Read the editorial policy.

Last reviewed
May 7, 2026
Last updated
May 7, 2026
Issues or corrections?
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