English name: Amano shrimp, Yamato shrimp
Scientific name:Caridina japonica

Family, Order, Class: Atyidae, Decapoda, Malacostraca
Size: 2 Inches / 5 cm
Water temperature: 22 – 32 °C or 64 – 82 °F
Water parameters: pH 6.7 – 7.7, soft to hard, slightly acidic
Behavior: non-aggressive
Origin Country: Yamato, Japan
Difficulty: Easy

yamato

Breeding: Extremely hard to breed. Larvae must be hatched in brackish water than can slowly be acclimated to freshwater after the first week

Details:
Amano shrimp or Yamato is commonly used in planted tank as algae eaters. They are found to be more hardworking when small. when bigger, it has been several case reported that yamato hunt down injured or weak CRS.

Price: Approx. MYR2.50

Breeding method:
Thanks to “dave314” in “ShrimpNow !!!”
Dave started with 2 tanks. 30L(tank 1) and 12L(tank 2).
30L tank should be holding your pregnant female yamato shrimp. You can use bubble sponge filter and turn it off when the zoes hatch.
12L is for salt water. It needs to be 24SG of 34ppm full salinity. Buy 100ml Phytoplancton from internet and add about 10ml every day until its all in. This tank needs a quite strong light on 24h a day (Dave used 9w for the 12l tank) to help the plankton breed. Plankton is self replenishing and does not pollute the water. The water needs to be about 22C (In Malaysia, our temperature is much more higher. Hopefully i can experiment this and share result in near future)

When the zoes hatch, pipette them one by one into the salt water. Just chuck them straight in! That should be all you have to do! Do a 25% water change every 10 days, using an air stone on the end so you dont suck up any zoes.

After 30 to 40 days they should be significantly bigger and then the suddenly change. For the last 30 days they have been hovering head down and usually swimming tail first. When they change they can no longer swim head down or hover and they swim forwards really fast! They go transparent too and this is the time to remove them (if they still have red stripe leave them another day).

Remove them one by one into a cup half full with salt water. Then fill the other half of the cup with fresh to make it 50/50. Next day empty out half the water and again fill with fresh to make it 25/75. Next day release them into tank 1.

They will eat algae wafers, sweetcorn, prawns. I have 2 adult females with them with no problems. You will definately need a filter running when you have 200 shrimps in it. I disconnected mine when cleaning the filter and forgot to reconnect it and over night 7 shrimps died.

– please let me know if you have any other experience with this shrimp –
– lets share our knowledge and promote planted aquarium –

Rgds,
Weijie.

3 responses »

  1. Raven says:

    do you sell amano shrimp and cherry shrimp?
    if yes, what is the price and do you have postage service?

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