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Stocking plan

Plan a freshwater tank stocking

Set volume, add species with the numbers you actually plan to keep, and get a conservative verdict for the whole stocking — bioload, group size, zone crowding, and multi-species conflicts, not a single pair in isolation. Use the editor first; the planning notes below explain why a pairwise match still needs a tank-level check.

Shared plan · CAUTION

Marginal overall fit — conservative rules do not call this a clear win; simplify the list or increase margin (space, filtration, observation time). Review supporting points next, then re-run the check.

Primary issue: Marginal overall fit — conservative rules do not call this a clear win; simplify the list or increase margin (space, filtration, observation time). Single-species or centrepiece lean — fewer cross-species surprises; match temperature and pH tightly to that fish. 8 fish across 1 species in 100L. Shared temperature 22–28°C. Stocking: understocked (load index 34 vs ref 100).

Serpae Tetra

Tank preview100L · 8 fish
8× Serpae Tetra

Your stock

Serpae Tetra
Serpae Tetra
4cm · semi-aggressive · 100L min
8
VerdictCAUTION

Marginal overall fit — conservative rules do not call this a clear win; simplify the list or increase margin (space, filtration, observation time). Review supporting points next, then re-run the check.

Primary issue: Marginal overall fit — conservative rules do not call this a clear win; simplify the list or increase margin (space, filtration, observation time). Single-species or centrepiece lean — fewer cross-species surprises; match temperature and pH tightly to that fish. 8 fish across 1 species in 100L. Shared temperature 22–28°C. Stocking: understocked (load index 34 vs ref 100).
Score 90/100·Confidence low·Species / centrepiece lean

One or more species profiles are only partially verified or need verification — treat numbers as planning guidance, not guarantees.

Pair compatibility for any two species · Fish library

Positives

  • WaterTemperature ranges overlap comfortably (22–28°C).
  • WaterpH requirements overlap reasonably across the group.
  • StockingStocking pressure looks conservative — room to grow schools or add compatible species if filtration allows.
  • StockingEvery listed species has a published minimum tank size at or below 100L.

Water overlap

What every fish can share at the same time

Shared temperature: 2228°C

Shared pH: 5.07.5

Shared temperature range for all species: 22–28°C.

Shared pH window: 5.0–7.5.

Stocking pressure

understocked

Load index 34 vs conservative reference 100 for 100L (adult cm × quantity × bioload weight × territory factor).

Swim-zone distribution

Fish-weighted zone use — top 0.0, middle 8.0, bottom 0.0 (relative biomass per level).

top 0
middle 8
bottom 0

Most biomass leans toward one swim level — shy fish may feel exposed or outcompeted at feeding time.

Fix this setup

Grouped by scenario — work through each block in order

Layout & swim zones

  • 1.Add structure (caves, tall plants) and consider species that use under-represented zones.

Beginner difficulty

moderate

  • Includes intermediate species — stable parameters matter.

Fish behaviour varies. Fishori gives conservative planning guidance based on adult size, temperament, tank size and common aquarium care sources.