What is the optimal temperature for tilapia?

Tilapia grow best at 25–32°C, with optimal growth near 28°C. They can survive 22–32°C but feed intake drops below 22°C.

What is the optimal temperature for salmon?

Atlantic salmon prefer 8–14°C, with optimal growth near 12°C. Temperatures above 18°C cause thermal stress and reduced appetite.

What happens if water temperature is too high?

High temperatures reduce dissolved oxygen, increase metabolic rate (raising oxygen demand), increase ammonia toxicity, and promote disease. Lethal temperatures vary by species.

How quickly can fish acclimate to temperature changes?

Most aquaculture species tolerate 1–2°C/day changes. Rapid shifts (>3°C in hours) can cause thermal shock, immune suppression, and mortality.

ToolsConductScience tool

AquacultureFree in-browser calculator

Optimal Temperature Range Checker.

Check if your water temperature is within the optimal range for tilapia or salmon. Instant species-specific risk assessment.

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Validated2026-04-08

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Temperature Parameters

Species

Temperature: 28\u00B0C

0\u00B0C10\u00B0C20\u00B0C30\u00B0C40\u00B0C

Results

safe28\u00B0C

28°C is in the optimal zone for tilapia.

Temperature

28°C

measured

Species

tilapia

selected

Safe Range

22–32°C

recommended

When to use

Daily temperature monitoring in ponds, tanks, or RAS
Before stocking new fish — verify temperature is in range
Seasonal transition planning (spring warm-up, fall cool-down)
After heater or chiller equipment adjustments

Do not use for

For species not listed — thresholds are species-specific
As a replacement for continuous temperature logging

Stratification in ponds

Surface and bottom temperatures can differ by 5–10°C in deep ponds. Measure at fish depth, not the surface.

Temperature and DO are linked

Warm water holds less dissolved oxygen. A safe temperature does not guarantee safe DO — always check both.

Method

Thresholds based on FAO aquaculture guidelines (Boyd & Tucker 1998). Three-tier risk classification with a 10% margin outside the tolerance range for caution zone.

Validated

Last validated 2026-04-08. Calculations are designed for planning and documentation support; verify procurement decisions against manufacturer specifications or institutional SOPs.

How to cite

How to Cite

ConductScience Optimal Temperature Range Checker (v1.0). ConductScience, Inc. 2026. Available at: https://conductscience.com/tools/optimal-temp-range-checker

Boyd CE, Tucker CS. Pond Aquaculture Water Quality Management. Springer. 1998.

Temperature Management in Aquaculture

Water temperature is the master variable in aquaculture. It controls metabolic rate, feed conversion, growth, immune function, and reproductive timing. Each species has a thermal window defined by lethal limits and an optimal growth zone. Operating within the optimal zone maximizes growth rate and feed efficiency while minimizing stress and disease risk.

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