Shrimp keeper foundation

Learn the decisions that keep a colony safe, not a list of numbers to memorize. Seven short lessons connect directly to the reviewed care library.

Free, ungated and honest about its limit. No email, account or purchase is required. Completing this page does not certify a tank or make anyone an expert.

Prefer a paced version? The First Colony Path sends six practical lessons, no more than one per week, under a separate optional consent.

What you should be able to do

By the end, you should be able to explain why a system is ready, interpret common measurements without turning them into universal targets, receive a new source safely, record a change before diagnosing it and know when community experience is a signal rather than proof.

1. Define the colony you are trying to keep

Outcome: distinguish scientific identity, trade line, visible grade and provenance, then choose whether the tank is for adult display, recruitment or selective breeding.

Common trap: treating a colour label as species identity or assuming a fish that coexists with adults will preserve juveniles.

Read identity and provenance and choose the colony outcome.

2. Commission the operating system

Outcome: describe readiness with a recorded nitrogen-processing challenge, conditioned grazing surfaces, oxygenation, guarded intakes and a maintenance plan.

Common trap: replacing evidence of function with tank age, one nitrate result or a product label.

Use the readiness check, verify nitrogen processing, build habitat by function and plan filtration and oxygen.

3. Measure water without worshipping a recipe

Outcome: state what GH, KH, conductivity, TDS, pH, total ammonia, nitrite and nitrate measure, including the reporting basis and resolution of the method.

Common trap: treating matching TDS as matching chemistry or a house range as a species boundary.

Interpret water measurements, check the method and read nitrogen labels.

4. Run feeding and maintenance as measured processes

Outcome: adjust food from consumption, leftovers, surface condition and colony observations; separate top-off, dilution, solids removal and filter service.

Common trap: using a universal feeding or water-change calendar without observing what the system accumulated or consumed.

Measure feeding, plan water changes and separate grazing from cleanup.

5. Receive a new source without joining contact networks

Outcome: compare source and receiving water, inspect the package, transfer deliberately and keep each new source in a commissioned separate system with dedicated wet equipment.

Common trap: treating a fixed acclimation or quarantine clock as proof of safety.

Plan the transfer, separate the source and compare the waters.

6. Observe first when something changes

Outcome: record time, body region, movement, water, recent inputs, affected denominator and comparison animals before assigning a cause.

Common trap: turning one photograph, one white ring or one organism nickname into a diagnosis and treatment.

Use health triage, record behaviour, investigate molts and identify organisms before treatment.

7. Learn with the community without promoting folklore

Outcome: separate observation from interpretation, preserve contrary outcomes, disclose relevant relationships and know whether feedback, an observation or an evidence challenge fits the claim.

Common trap: treating popularity, repetition, purchases or contributor status as biological proof.

Choose the right contribution path, share bounded claim checks and compare what is known and still open by topic.

Check your reasoning

Choose the best next interpretation or action in each scenario. The answers are processed only to render this response and are not written to the community database.

1. A tank has been running for six weeks. What best establishes that it can process a nitrogen input? The six-week calendar age A recorded fishless challenge with correctly read total-ammonia and nitrite results One detectable nitrate result

2. Two aquariums have the same TDS reading. What can you safely conclude? Their dissolved composition is the same Both are safe for every Neocaridina colony The meter reports a similar conductivity-derived estimate, not which substances are present

3. A fish is described as peaceful. What is the next useful shrimp-keeping question? Whether other sellers also call it peaceful Whether the goal is adult display or recruitment, with the exact species, size and cover considered Whether adding more shrimp will offset predation

4. New shrimp arrive from another seller. Which plan protects the established colony best? A separate container that shares nets and water-change equipment Add them after a quick visual check if they look healthy A commissioned separate system, dedicated wet equipment, records and a stated release decision

5. You photograph a pale ring between body sections before a death. What does the photograph establish? A calcium deficiency diagnosis A visible feature worth recording alongside water, timing and the rest of the event That GH must be raised immediately

6. Several shrimp become abnormal or die suddenly. What is the first evidence-preserving response? Dose a broad treatment immediately Wait for a social-media diagnosis from one photograph Check oxygenation, temperature and correctly labelled nitrogen results, preserve samples and record recent changes

7. A colony is not producing visible young. What should be separated before changing the tank? How many weeks have passed since purchase Sex composition, ovarian development, attached eggs, hatch observation and juvenile retention Whether temperature can be raised to force breeding

8. Ten keepers report the same tank pattern. What has the community contribution established? A universal biological rule A safe treatment recommendation A structured signal that may justify a clearer question or stronger study

Keep learning in public

Use the keeper-language navigator when you have a question, then carry the first decision to the tank with a tank-side decision card. If the library still cannot route it, send it to the question desk. Share the full supported claim, limitation and next action when helping someone else. Knowing where the evidence stops is part of knowing the subject.