🐠 Rotkeil Severum – Premium South American Cichlid Pack (4 Fish)

Heros sp. “Rotkeil” | Elegant red-shoulder Severum fry with premium growth potential

Bring elegance, intelligence, and premium South American cichlid beauty to your aquarium with Rotkeil Severums — a highly sought-after Severum variant admired for its graceful body shape, calm demeanor, and distinctive red-orange shoulder coloration that intensifies with maturity.

These fish are especially valued by advanced hobbyists for their refined appearance and impressive adult display potential.

✨ Why aquarists love Rotkeil Severums

✔️ Beautiful red-shoulder coloration — develops stronger with age
✔️ Elegant discus-like body shape — graceful swimming movement
✔️ Peaceful large cichlid temperament — calmer than many aggressive species
✔️ Highly intelligent fish — interactive and responsive behavior
✔️ Premium South American centerpiece species — visually striking adults

📦 What you receive

• 4 × Rotkeil Severum Fry
• Size: 2–3 cm
• Carefully selected from stable, healthy batches

🌍 About the species

Rotkeil Severums are premium variants within the Heros genus and are highly appreciated for their developing red-orange shoulder markings and elegant body structure.

These fish are known for:

• Metallic green-gold base coloration
• Red-orange shoulder development
• Calm gliding swimming behavior
• Intelligent environmental interaction
• Strong growth potential into large display fish

As they mature, coloration becomes deeper and more pronounced under proper care and nutrition.

🏡 Ideal aquarium setup

Rotkeil Severums thrive best in:

• Large tropical aquariums
• South American cichlid setups
• Warm stable water conditions
• Spacious swimming environments
• Moderate natural décor

Recommended setup:

• 250 liters or larger for adults
• Strong biological filtration
• Driftwood and open swimming zones
• Stable warm tropical parameters

⚠️ Compatibility notes

Rotkeil Severums are relatively peaceful large cichlids but may become territorial as they mature.

Not ideal with:

• Tiny nano fish
• Extremely aggressive cichlids
• Fin-nipping species
• Overcrowded aquariums

Best suited for:

✔️ South American cichlid communities
✔️ Large peaceful tropical setups
✔️ Monster fish grow-out systems
✔️ Premium centerpiece aquariums

🚚 Professionally packed for live arrival

Every shipment is treated as a live biological transport, not a standard parcel.

Your fish are packed using:

• Oxygen-filled fish bags
• Temperature-insulated packaging
• Shock-absorbing thermocol protection
• Fastest safe transport routes available

This minimizes transit stress and improves live arrival success.

🛡️ Live Arrival Guaranteed*

Instant Refund or Full Replacement for DoAs in accordance with our Refund Policy.

👉 You are not taking the risk alone.

💰 Total Delivered Price: ₹1,499/-

No hidden charges.
No surprise shipping fees.
The displayed price is the final delivered price.

🧠 Why is this priced at ₹1,499/-?

Unlike conventional aquarium stores, we do not price livestock only by “per fish” cost.

This pricing includes the entire safe delivery ecosystem, including:

• Fish value and batch quality
• Oxygen packing and insulation materials
• Specialized live-animal packaging
• Express transport logistics
• Mortality risk management

In many cases, shipping and packaging alone exceed ₹600 per order.

👉 This approach ensures every shipment remains ethical, viable, and survival-focused.

🧭 Is this right for you?

✔️ You want premium South American cichlids
✔️ You enjoy growing fry into large display fish
✔️ You prefer elegant intelligent species over aggressive predators
✔️ You are building a spacious centerpiece aquarium

⚠️ Not ideal if:

• Your aquarium is small
• You keep tiny delicate community fish
• You prefer ultra-aggressive cichlids
• Your setup lacks filtration and long-term grow-out space

🔬 Nero Labs Standard

These fish are maintained with:

• Controlled batch monitoring
• Observation-based selection
• Stress-aware handling
• Survival-focused transport preparation

We prioritize long-term stability and health over bulk-volume movement.

👉 Grow a premium centerpiece for your aquarium

Experience the elegance and long-term beauty of Rotkeil Severums from Nero Labs.

Rotkeil Severum (Heros efasciatus)

Description

The Heros efasciatus, commonly referred to as the Rotkeil or Red-shoulder Severum, offered by Nero Labs is a selectively maintained ornamental cichlid lineage reared under controlled, closed-system conditions. This species is recognized for its laterally compressed body form, calm disposition, and characteristic red to orange pigmentation along the opercular and shoulder regions.

Specimens provided are lab-reared and system-acclimated, allowing for reduced developmental stress and improved stability during transition to established aquaria. Colour expression in this lineage develops progressively, with red pigmentation intensifying with age, nutritional consistency, and stable environmental parameters.

While Heros efasciatus originates from South American river systems, the individuals distributed by Nero Labs represent domesticated ornamental stock, refined for predictability and long-term performance in captive environments rather than wild ecological function.

System & Rearing Notes

• Origin: In-house, Nero Labs

• Rearing environment: Controlled, closed system

• Line status: Selectively maintained ornamental lineage

• Behaviour: Generally peaceful to moderately territorial; compatible with structured community or semi-aggressive systems

• Colour development: Gradual; red shoulder pigmentation strengthens with maturity and stable husbandry

Variations in colour intensity, facial markings, and body proportions may occur between individuals and reflect normal biological diversity within maintained ornamental lines.

Availability & Use

Availability of Heros efasciatus is cycle-dependent and aligned with biological readiness rather than commercial stock targets. These organisms are recommended for aquarists capable of maintaining stable water chemistry, adequate tank volume, and appropriate social structuring.

Well suited for ornamental display aquaria, biotope-inspired systems, and mixed South American cichlid setups under controlled conditions.

Important Note

As with other ornamental cichlids, behavioural expression—including territoriality, social hierarchy, and breeding activity—may vary between individuals. Nero Labs does not distribute this lineage for conservation or rewilding purposes and offers it strictly within the ornamental aquaculture domain.

Ethical & Operational Context

Commercial distribution of Heros efasciatus prioritizes organism welfare, system reliability, and lineage integrity. Proceeds from availability directly support ongoing system optimization, controlled breeding refinement, and applied ornamental aquaculture research at Nero Labs.