Knowledge topic

Breeding and genetics

Track reproduction, care for young and select colour lines while accounting for ancestry and uncertainty.

Caring for a shrimp carrying eggs

Caring for a shrimp carrying eggs

Prefer to leave a berried female in her familiar, suitable aquarium. Eggs alone are no reason to catch her, raise the temperature or add more food. Continue maintenance and respond…

1 min read
Breeding Taiwan Bee shrimp: track lineage and offspring

Breeding Taiwan Bee shrimp: track lineage and offspring

Taiwan Bee breeding combines water management with lineage management. Names such as King Kong, Panda and Blue Bolt describe trade forms, but do not predict fixed offspring proportions…

2 min read
Breeding Sulawesi shrimp: start with the species, using Cardinal as an example

Breeding Sulawesi shrimp: start with the species, using Cardinal as an example

“Sulawesi shrimp” does not identify one species with one breeding recipe. Establish which animals you have first. For Cardinal, Caridina dennerli from Lake Matano, hobby keepers report…

2 min read
Adding new stock to a shrimp breeding line

Adding new stock to a shrimp breeding line

Add animals for a defined purpose, such as a documented cross or broader parental origin. Do not use “new blood” as an automatic cure for deaths or few juveniles. A new purchase does…

1 min read
Breeding Neocaridina: from parent group to growing juveniles

Breeding Neocaridina: from parent group to growing juveniles

Neocaridina davidi can complete development entirely in freshwater. Start with a suitable aquarium and a traceable parent group, then follow whether juveniles actually grow. One clutch…

2 min read
Mixing Neocaridina colours: choose your breeding aim first

Mixing Neocaridina colours: choose your breeding aim first

Different colour forms of Neocaridina davidi may belong to the same species. If they reproduce together, their commercial colour names cannot guarantee the offspring. A mixed display…

1 min read
Neocaridina grades: what do Cherry, Sakura and Fire Red mean?

Neocaridina grades: what do Cherry, Sakura and Fire Red mean?

A Neocaridina grade usually describes a seller’s assessment of appearance, such as coverage and transparency. It is not a separate species or health certification. Ask which observable…

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Identifying male and female dwarf shrimp

Identifying male and female dwarf shrimp

Adult female Neocaridina davidi are generally larger and fuller-bodied than males. Eggs carried underneath the abdomen clearly identify a female. Size, colour or active swimming alone…

1 min read
Building and assessing a stable shrimp colour line

Building and assessing a stable shrimp colour line

One striking shrimp does not establish a stable colour line. First describe the trait, keep parental groups traceable and assess the whole offspring group under comparable conditions.…

2 min read
Shrimp inbreeding: a risk is not a diagnosis

Shrimp inbreeding: a risk is not a diagnosis

Inbreeding concerns reproduction between relatives. It cannot be established merely from colour, body size or a smaller clutch. Relatedness may matter in a closed breeding group, but…

1 min read
How large should a shrimp breeding starter group be?

How large should a shrimp breeding starter group be?

No established minimum number works for every shrimp breeding project. Start with species, available space, known sexes and origin. Buying more animals may improve the chance of…

2 min read
Keeping shrimp lines separate and their origins traceable

Keeping shrimp lines separate and their origins traceable

Separate tanks help only when transfers and labels also remain correct. Give each group a stable code and check it before moving an animal, plant or wet tool. Small shrimp can travel…

2 min read
Shrimp breeding log: a practical record template

Shrimp breeding log: a practical record template

Give each group a stable code and record changes when they occur. Separate observation from explanation: “three juveniles seen” is an observation; “the others are starving” is an…

2 min read
Shrimp genetics and colour: what can you really predict?

Shrimp genetics and colour: what can you really predict?

Seeing a colour is not the same as knowing its inheritance. The observable trait is the phenotype; genetic makeup is the genotype. A trade name such as Blue Dream does not…

1 min read
Shrimp eggs disappear: hatched or lost?

Shrimp eggs disappear: hatched or lost?

Disappearing eggs may have hatched or been lost. First look for small juveniles on quiet surfaces and record what you actually saw: released eggs, an empty abdomen, or simply a female…

2 min read
Selecting shrimp out: suitable housing and honest labels

Selecting shrimp out: suitable housing and honest labels

A healthy shrimp outside your colour target still needs appropriate care. Selecting it out may mean removing it from the breeding group and providing suitable housing elsewhere. It is…

1 min read
Breeding Crystal Red shrimp: follow water preparation and juveniles

Breeding Crystal Red shrimp: follow water preparation and juveniles

Crystal Red breeding needs a repeatable water system and safe juvenile food access. Hobby husbandry often uses soft, low-KH systems. Active substrate and RO may be components, but…

2 min read
Caridina grading: comparing Crystal Red and Taiwan Bee

Caridina grading: comparing Crystal Red and Taiwan Bee

There is no single grading scale for all Caridina. Crystal Red is often assessed by red-and-white pattern and coverage; Taiwan Bee also uses names for different pattern forms. Evaluate…

2 min read
Setting up a shrimp breeding tank for adults and juveniles

Setting up a shrimp breeding tank for adults and juveniles

A useful breeding tank lets animals live safely while you monitor food, growth and maintenance. Choose volume, floor space and filtration for the actual species and planned colony. No…

2 min read
Helping baby shrimp grow: food access and safety

Helping baby shrimp grow: food access and safety

Growing freshwater dwarf shrimp need food, safe surfaces and suitable water at the same time. Adult survival alone does not establish that the tank supports juveniles. This check…

2 min read
Breeding Amano shrimp: prepare the larval phase separately

Breeding Amano shrimp: prepare the larval phase separately

Adult Amano shrimp, Caridina multidentata, are kept in freshwater. Their free-swimming larvae need separate saline-water rearing before juvenile shrimp return to freshwater. A female…

2 min read