Zebrafish Vertical Tank Array
Vertical tank array system for assessing anxiety-like behavior in zebrafish through novel tank diving protocols, available in 3-tank and 6-tank configurations.
Louise Corscadden, PhD
Neuroscience · ConductScience
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The Zebrafish Vertical Tank Array is a specialized behavioral testing apparatus designed for assessing anxiety-like behavior in zebrafish through the novel tank diving test. The system leverages the natural diving behavior of zebrafish when introduced to novel environments, where subjects instinctively move to the bottom of the tank and remain there until they feel sufficiently safe to explore upper regions.
Available in 3-tank and 6-tank configurations, each individual tank features a trapezoidal design with specific dimensional parameters optimized for zebrafish behavioral assessment. The apparatus supports standardized protocols for evaluating locomotor activity, freezing behavior, and vertical exploration patterns that correlate with anxiety responses in aquatic model organisms.
How It Works
The novel tank diving test exploits the natural thigmotactic behavior of zebrafish, where subjects exhibit initial bottom-dwelling behavior when placed in an unfamiliar environment. This response parallels anxiety-like behavior observed in rodent open field tests, where animals initially remain close to protective boundaries before gradually exploring central areas as stress levels decrease.
The trapezoidal tank design facilitates clear behavioral zone delineation for automated tracking systems. As zebrafish acclimate to the novel environment, they demonstrate increased locomotor activity, reduced freezing behavior, and more frequent entries into upper tank regions. These behavioral transitions provide quantifiable metrics for anxiety assessment, including time spent in different vertical zones, transition frequency between regions, and overall mobility patterns.
The system operates through video-based tracking protocols, typically using overhead camera positioning at standardized distances to capture behavioral parameters. Data collection focuses on spatial distribution patterns, movement velocity, and zone preference indices that correlate with anxiety states in zebrafish subjects.
Features & Benefits
tank_shape
- trapezoid
diagonal_side_length
- 15.9 cm
water_temperature
- 28.5 °C
light_cycle
- 12-12 hour light/dark cycle
housing_density
- 20-30 subjects per home tank
pre_test_density
- maximum 4 subjects per liter
camera_distance
- 51 cm from apparatus
acclimation_period
- minimum 2 weeks
feeding
- flakes or brine shrimp twice daily
water_type
- recirculating deionized water
compatible_tracking_system
- Noldus Ethovision XT
Tank array
- 3 Tank Array
- 6 Tank Array
Behavioral Construct
- anxiety
- exploration
- locomotor activity
- thigmotaxis
- diving behavior
- vertical preference
Automation Level
- semi-automated
Material
- Plastic
Capacity
- 1.5 liters
Species
- Zebrafish
Display Type
- None
Dimensions
- 22.9 cm at bottom, 27.9 cm at top x 6.4 cm at top, 5.1 cm at bottom x 15.2 cm
Research Domain
- Anxiety and Depression
- Behavioral Pharmacology
- Developmental Biology
- Neurodegeneration
- Neuroscience
- Toxicology
Weight
- 21.0 kg
Dimensions
- L: 43.2 mm
- W: 38.0 mm
- H: 27.9 mm
| Feature | This Product | Typical Alternative | Advantage |
|---|---|---|---|
| Tank Capacity | 1.5 liters per tank | Smaller systems often use 1-liter or smaller volumes | Provides adequate swimming space for natural behavioral expression while maintaining manageable water volumes |
| Tank Geometry | Trapezoidal design with optimized dimensional ratios | Most systems use rectangular or cylindrical tanks | Enhanced optical properties for video tracking and consistent spatial zone definition |
| Array Configuration | Available in 3-tank and 6-tank configurations | Many systems offer fixed array sizes or single-tank options | Scalable throughput options to match experimental design requirements and laboratory capacity |
| Dimensional Standardization | Precise specifications with 15.2 cm height and defined taper angles | Variable dimensional parameters across different manufacturers | Ensures protocol reproducibility and consistent behavioral zone definitions across studies |
| Tracking System Compatibility | Designed for integration with commercial tracking software | Some systems require custom software solutions | Streamlined data collection using established behavioral analysis platforms |
The system provides standardized trapezoidal tank geometry with precise dimensional specifications optimized for zebrafish behavioral assessment. Multiple array configurations and commercial tracking software compatibility offer flexibility for different experimental requirements while maintaining protocol consistency.
Practical Tips
Verify tank dimensions and camera positioning using provided specifications before initiating behavioral protocols.
Why: Consistent spatial parameters are essential for reliable behavioral zone definition and data reproducibility.
Clean tanks thoroughly between subjects using appropriate cleaning protocols to eliminate residual chemical cues.
Why: Chemical contamination from previous subjects can influence behavioral responses and compromise data validity.
Allow subjects minimum 2 weeks acclimation in home tanks at specified housing density before experimental use.
Why: Adequate acclimation ensures baseline behavioral states and reduces variability in anxiety responses.
Monitor water temperature stability at 28.5°C throughout testing sessions using calibrated thermometry.
Why: Temperature fluctuations can significantly affect zebrafish behavior and locomotor activity patterns.
Verify camera focus and positioning at 51 cm distance if tracking accuracy appears compromised.
Why: Proper camera setup is critical for accurate behavioral parameter detection and measurement.
Maintain consistent 12-12 hour light/dark cycling and avoid testing during transition periods.
Why: Circadian rhythm effects can influence baseline anxiety levels and behavioral responses in zebrafish.
Ensure electrical equipment is properly isolated from water systems to prevent safety hazards.
Why: Water and electrical equipment combinations require appropriate safety measures in laboratory environments.
Setup Guide
What’s in the Box
- Individual tank units (3 or 6 depending on configuration)
- Setup and positioning guides
- User manual with protocol specifications
- Dimensional verification tools (typical)
Warranty
ConductScience provides a standard 1-year manufacturer warranty covering defects in materials and workmanship, with technical support for setup and protocol optimization.
Compliance
What are the optimal water parameters for consistent behavioral testing?
Maintain recirculating deionized water at 28.5°C with 12-12 hour light/dark cycling. Ensure water quality parameters remain stable across all testing sessions for reliable behavioral responses.
How should subjects be prepared prior to testing protocols?
House zebrafish at 20-30 subjects per home tank with standard feeding (flakes or brine shrimp twice daily) for minimum 2 weeks. Limit pre-test density to maximum 4 subjects per liter during acclimation periods.
What tracking systems are compatible with this apparatus?
The system is designed for compatibility with Noldus Ethovision XT and similar video-based tracking platforms. Position cameras 51 cm from apparatus for optimal behavioral parameter capture.
How are behavioral zones typically defined for data analysis?
The 15.2 cm tank height allows for standard top/middle/bottom zone delineation. Consult tracking software documentation for specific zone definition protocols based on experimental objectives.
What maintenance is required between testing sessions?
Thoroughly clean tanks between subjects to eliminate chemical cues. Verify water temperature stability and replace water as needed to maintain consistent environmental conditions.
How does tank geometry affect behavioral measurements?
The trapezoidal design provides consistent spatial parameters while optimizing camera viewing angles. The specific dimensional ratios facilitate reliable zone definition for automated tracking systems.
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