Blue Colisa | Adult | 3-4 cm | Pack of 2 | Total Delivered Price ₹997/-

Blue Colisa (Trichogaster lalius)

Description

The Blue Colisa (Trichogaster lalius), offered by Nero Labs, is a selectively maintained ornamental labyrinth fish distinguished by its laterally compressed body, elongated filamentous ventral fins, and cool-toned blue colour expression with iridescent patterning. Originating from slow-moving, vegetation-rich freshwater systems of the Indian subcontinent, this species demonstrates strong preference for calm, warm, and structurally complex environments.

This colour form exhibits a blue to steel-blue base with subtle striping and reflective highlights that intensify under stable lighting, balanced nutrition, and low-stress conditions. Colour expression develops progressively and is influenced by genetic lineage, social structure, and environmental stability. As a facultative air-breather, the species relies on its labyrinth organ and requires unobstructed access to the water surface and consistent air–water temperature alignment.

Individuals supplied are lab-reared and system-acclimated within controlled, closed-system environments to reduce early-life stress and promote predictable adaptation to established aquaria. This lineage represents domesticated ornamental stock refined for visual stability and aquarium compatibility rather than wild ecological function or conservation use.

System & Rearing Notes

Origin: In-house, Nero Labs
Rearing environment: Controlled, closed system
Line status: Selectively maintained ornamental labyrinth fish lineage
Behaviour: Generally peaceful; males may display territorial behaviour during courtship or nesting
Respiration: Facultative air-breathing via labyrinth organ
Colour development: Progressive; enhanced under stable parameters and minimal disturbance

Minor variation in blue saturation, body depth, and fin extension may occur between individuals and reflects normal biological diversity within maintained ornamental lines.

Availability & Use

Availability of Blue Colisa is cycle-dependent and governed by biological readiness and system stability rather than commercial stocking schedules. This species is appropriate for intermediate aquarists capable of maintaining warm, low-flow systems with consistent water quality.

Best suited for ornamental community aquaria, planted tanks, and calm display systems with compatible, non-aggressive species.

Important Note

Blue Colisa are sensitive to abrupt environmental changes and prolonged stress. They are not recommended for newly established, high-flow, or overcrowded systems. Care should be taken to provide surface access and stable thermal conditions to support labyrinth respiration.

Ethical & Operational Context

Distribution of Blue Colisa through Nero Labs prioritizes organism welfare, closed-system integrity, and responsible selective breeding practices. Proceeds support ongoing refinement of labyrinth fish husbandry protocols, colour-stability research, and applied ornamental aquaculture initiatives,