Healthy Yellow Severum (Heros efasciatus) photographed at Nero Labs

Yellow Severum | Juvenile | 6 - 7 cm | Price Per Fish ₹375/-

Rs. 375.00

Yellow Severum | Juvenile | 6 - 7 cm | Price Per Fish ₹375/-

Name: Yellow Severum | Juvenile | 6 - 7 cm | Price Per Fish ₹375/-
Brand: The Nero Labs Store
Price: 375.00 INR
Availability: InStock

🐠 Yellow Severum

Heros efasciatus | Golden-yellow South American cichlid with elegant body shape, impressive size, and peaceful cichlid character

Bring a warm golden presence to your aquarium with the Yellow Severum. This ornamental color form of the Severum cichlid is admired for its rich yellow-gold coloration, graceful body shape, and comparatively calm temperament for a larger cichlid.

With adequate space and compatible tankmates, the Yellow Severum can become a spectacular centerpiece fish in a spacious South American cichlid aquarium.

✨ Why aquarists love Yellow Severums

✔️ Striking golden coloration — bright yellow to gold tones create exceptional visual appeal
✔️ Elegant body shape — tall, laterally compressed profile gives the fish a graceful appearance
✔️ Intelligent personality — readily recognizes its surroundings and keeper
✔️ Peaceful for a large cichlid — generally less aggressive than many similarly sized cichlids
✔️ Impressive centerpiece fish — develops a commanding presence as it matures

🌍 About the species

Severums are South American cichlids belonging to the genus Heros, with Heros efasciatus commonly associated with the aquarium trade.

They naturally inhabit slow-moving rivers, flooded forests, and vegetated freshwater environments across parts of the Amazon and Orinoco drainage systems.

Yellow Severums are selectively maintained for enhanced yellow-golden coloration and may display:

Bright yellow to golden body
Orange or reddish facial highlights
Subtle vertical body markings
Long dorsal and anal fins
Rounded, laterally compressed body

Color intensity can vary with genetics, age, mood, and aquarium conditions.

🏡 Ideal aquarium setup

Yellow Severums thrive best in:

Large South American cichlid aquariums
Spacious planted cichlid displays
Amazon-inspired aquascapes
Compatible large-fish community aquariums
Mature, heavily filtered systems

Recommended setup:

300 liters or larger for an adult
Fine sand or smooth gravel substrate
Driftwood and sturdy décor
Rocks and sheltered areas
Open swimming space
Strong biological filtration
Stable water parameters

⚠️ Compatibility notes

Yellow Severums are generally semi-aggressive to relatively peaceful, although individual temperament can vary. They can become territorial, particularly when mature or spawning.

Not ideal with:

Very small fish
Extremely aggressive cichlids without sufficient space
Delicate community species
Overcrowded aquariums

Best suited for:

✔️ Large South American cichlid setups
✔️ Spacious community aquariums
✔️ Compatible medium-to-large fish
✔️ Intermediate and experienced aquarists

🚚 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-resistant thermocol protection
Fastest safe transport routes available

This minimizes transit stress and improves live arrival success.

🛡️ Live Arrival Guaranteed*

Instant Refund for DoAs in accordance with our Refund Policy.

👉 You are not taking the risk alone.

🧭 Is this right for you?

✔️ You want a large golden centerpiece cichlid
✔️ You appreciate intelligent and interactive fish
✔️ You maintain a spacious aquarium
✔️ You want a comparatively peaceful large cichlid

⚠️ Not ideal if:

You have a small aquarium
You keep very small community fish
Your aquarium is overcrowded
You are looking for a tiny or completely peaceful community species

🔬 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 health, structural quality, coloration, and behavioral stability over bulk-volume movement.

👉 Bring golden South American elegance to your aquarium

Experience the impressive size, graceful form, and rich coloration of the Yellow Severum (Heros efasciatus) from Nero Labs.

Yellow Severum

Description

The Yellow Severum (Heros efasciatus – Yellow Form), offered by Nero Labs, is a selectively maintained ornamental South American cichlid recognized for its golden-yellow coloration, deep-bodied profile, and comparatively peaceful temperament. Severums are native to the Amazon and Orinoco river systems, where they inhabit slow-moving waters associated with submerged vegetation, roots, driftwood, and soft substrates.

The body typically develops a rich yellow to golden coloration, sometimes accompanied by subtle orange or olive shading. Fine iridescent markings may appear across the face and flanks, while the fins can develop contrasting yellow, orange, or reddish highlights. Colour intensity generally increases with maturity, conditioning, social status, and stable environmental conditions.

Behaviour is intelligent, deliberate, and generally peaceful for a medium-to-large cichlid. Individuals are naturally inquisitive and frequently explore their surroundings, particularly around driftwood, plants, and other structures. Mature specimens may establish territories and can become more assertive during breeding, while bonded pairs may demonstrate strong parental care.

Specimens supplied are lab-reared and system-acclimated within controlled, closed-system environments, minimizing early-life stress and supporting reliable long-term adaptation to aquarium conditions. This ornamental lineage is maintained for colour quality, structural development, behavioural stability, and aquarium suitability.

System & Rearing Notes

Origin: In-house, Nero Labs
Rearing environment: Controlled, closed system
Line status: Selectively maintained ornamental Severum form
Behaviour: Intelligent, generally peaceful, moderately territorial during breeding
Swimming profile: Midwater to lower-midwater
Feeding behaviour: Omnivorous; accepts prepared, vegetable-based, frozen, and live feeds
Habitat preference: Spacious aquaria with driftwood, rocks, plants, and open swimming areas
Colour development: Progressive; golden-yellow pigmentation and facial iridescence intensify with maturity
Breeding behaviour: Pair-forming substrate spawner with parental care
Morphological traits: Deep-bodied cichlid with rounded profile and elongated dorsal and anal fins

Minor variation in yellow intensity, facial markings, body patterning, and fin coloration may occur between individuals and reflects normal biological diversity within maintained ornamental populations.

Availability & Use

Availability of Yellow Severums is cycle-dependent and determined by biological readiness rather than inventory-driven targets. This form is recommended for intermediate to advanced aquarists able to provide a spacious aquarium and appropriate long-term filtration.

Best suited for South American cichlid displays, planted-but-robust freshwater systems, and carefully planned community aquaria with similarly sized, peaceful tankmates.

Important Note

Yellow Severums can reach a substantial adult size and require adequate swimming space and strong biological filtration. Although generally calmer than many similarly sized cichlids, territorial behaviour can increase during breeding. Plants should be robustly rooted or protected, as individuals may disturb substrate and vegetation while exploring or foraging.

Ethical & Operational Context

Distribution of Yellow Severums through Nero Labs prioritizes organism welfare, lineage integrity, and responsible propagation of ornamental South American cichlids. Proceeds support refinement of cichlid husbandry protocols, selective-line management, behavioural observation, and applied ornamental aquaculture initiatives.