Fish Hatchery Break-Even Analysis: About $73K/Month Revenue
A fish hatchery needs about $726k/month in revenue to break even on first-year fixed costs and percentage-based variable expenses Here’s the quick math: $559k fixed monthly costs / 770% contribution margin = $726k First-year variable expenses equal 230% of revenue from feed, packaging, recirculating aquaculture system electricity, and commissions If you treat purchased juveniles as an added cash cost, the planning target moves closer to $739k/month Higher mortality, weaker stocking demand, or feed and utility pressure raises that threshold
Fixed costs$55.9K/mo
Overhead and labor
Contribution margin77%
After variable spend
Break-even revenue$72.6K/mo
Needed to cover costs
Break-even timingMonth 15
Model break-even point
Break-even calculator
Use this calculator to test monthly revenue, variable costs, and fixed overhead against break-even for a fish hatchery.
Money available to cover fixed costs$416,000
$700,000 revenue - $284,000 variable expenses
Margin ratio
59%
Covers fixed costs
Yes
Break-even chart Revenue Total costs
Which fish hatchery expenses are fixed, and which move with sales?
Cost classification
Break-even gets reliable only when monthly overhead is kept separate from production-linked spend. Here, fixed overhead starts around $15,700/month before payroll, while feed, packaging, commissions, and life-support power move with revenue or volume.
Expense
Cost
Break-Even Treatment
Common Mistake
Facility Lease (Admin/Support)
Fixed
Use $5,000/month as baseline overhead from Month 1 through the planning period.
Spreading rent across fish units and hiding true monthly burn.
Insurance (Property, Liability, Stock)
Fixed
Use $3,000/month as fixed overhead unless policy terms change with insured values.
Treating insurance as a per-batch expense when it is scheduled monthly.
Utilities (Base, Non-RAS)
Semi-fixed
Use $1,500/month as the base utility load, then keep production power separate.
Blending office utilities with tank power and overstating fixed overhead.
Electricity for Recirculating Aquaculture System and Life Support
Variable
Model as revenue-linked production spend; the first-year assumption is 7.0% of revenue.
Treating oxygen, pumps, and power load as overhead instead of production-linked spend.
High-Quality Fish Feed
Variable
Model as direct production spend; the first-year assumption is 8.0% of revenue.
Holding feed flat even when biomass, mortality, and harvest volume change.
Processing & Packaging Materials
Variable
Model as volume-linked spend; the first-year assumption is 5.0% of revenue.
Using one packaging budget while product mix shifts toward fillets and smoked portions.
Marketing & Sales Commissions
Variable
Model as sales-linked spend; the first-year assumption is 3.0% of revenue.
Booking commissions as fixed payroll instead of tying them to sales volume.
Hatchery Labor
Semi-fixed
Model staffing in capacity steps because technicians and specialists increase as breeding females, cycles, and production scale grow.
Assuming labor rises smoothly per fish instead of stepping up when capacity limits are hit.
How does break-even shift from a lean hatchery start to base and full scale?
Scenario table
Lean output stays far below the fixed cost base, so early losses are likely. Base turns positive once scale, survival, and mix improve, and full scale builds a wide cushion if demand keeps pace.
Planning assumptions only; actual break-even shifts with buyer demand, mortality, and water capacity.
Scenario
Monthly Revenue
Variable Costs
Fixed Costs
CM Ratio
Operating Profit
Break-Even Signal
Lean hatchery start
$8.0k
$1.8k
$55.9k
77.0%
-$49.8k
High risk: sales cover only a small share of fixed cost.
Base growth case
$142.4k
$24.9k
$98.2k
82.5%
$19.2k
Above break-even, but the cushion is still tight.
Full mature hatchery
$623.8k
$78.0k
$150.3k
87.5%
$395.5k
Strong cushion, so demand and capacity become the main watchouts.
What breaks the break-even plan if sales soften or costs spike?
Stress test
The first-year plan has a wide cushion, so break-even only starts to look tight if revenue slips hard and cost pressure hits at the same time. The biggest watchouts are mortality, stocking orders, and feed plus RAS electricity costs.
Stress Case
Changed Assumption
Break-Even Revenue
Revenue Gap
Risk Signal
Current plan
No change from the first-year plan.
$726k
$5.4M cushion
Year one still clears break-even by a wide margin.
Revenue shortfall
First-year revenue drops 20% to about $4.9M per month.
$726k
$4.2M cushion
Demand slips, but the model still has room.
Fixed-cost increase
Fixed costs rise 15% to about $18.1k per month.
$835k
$5.3M cushion
Overhead creep lifts the hurdle, so keep control on staffing and leases.
Margin pressure
Variable expense load rises from 230% to 280% of revenue.
$777k
$5.4M cushion
Feed and RAS electricity are the first margin breaks.
Combined pressure
Revenue drops 20%, fixed costs rise 15%, and variable expense load rises to 280%.
$893k
$4.0M cushion
Three-way pressure trims the buffer, but the plan still clears break-even.
What should you verify before signing the hatchery lease and buying equipment?
Founder checklist
Not yet. The model carries about $55.9k a month in fixed payroll and overhead before debt service, hits a -$10.28M cash low in Month 14, and reaches break-even only in Month 15, so demand and system readiness need to clear first.
1Buyer demand$1.50
Verify stocking buyers will commit at the Year 1 juvenile price and the 40/30/20/10 product mix before you scale beyond first-year output.
2Fixed load$55.9k/mo
Verify the monthly facility and payroll load stays covered before debt service, because that is the cash hurdle every month from day one.
3Margin check77% CM
Check that feed, packaging, electricity, and sales commissions stay near 23% of revenue so contribution margin holds around 77% before wages and lease costs.
4System testsRAS live
Run a live test of the water source, discharge path, oxygen, RAS, and biosecurity setup before you commit capital, since a failure here stops production fast.
5Staffing ramp7.0 FTE
Make sure the launch team can cover breeding, health checks, processing, sales, and admin without pushing overtime or forcing early hires.
6Cash cushion-$10.28M
Hold enough cash to absorb the Month 14 trough, because break-even does not arrive until Month 15 and payback takes 37 months.