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Oryzias latipes
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| Japanese Ricefish | |
| |
| Japanese Ricefish | |
| Species | Oryzias latipes |
| Family | Adrianichthyidae |
| Difficulty | Moderate |
| Min. Tank Size | 56.781 liters 56,781.177 mL 15 US Gallons (56.8L) |
| Size | 1.575 in
3-4 cm (1.2-1.6") |
| sg | 1.005 - 1.010 |
| pH | 7.0 - 8.0 |
| Temp. | 291.15 K 64.4 °F 524.07 °R 297.15 K |
| Water Hardness |
9-19 °d |
| Stocking Ratio | 1:2 M:F |
| Availability | Uncommon |
| Diet |
Omnivore
|
| Life Span |
4-8 years |
| Habitat | |
| This animal is available captive bred | |
Contents |
[edit] Alternative Names
- Japanese Ricefish, Japanese Rice Fish, Medaka, Japanese Killfish
[edit] Synonyms
- Poecilia latipes, Aplocheilus latipes, Oryzias latipes latipes
[edit] Sexing
- In the male, six anterior rays of the anal fin are separated from the rest of the fin and modified into a gonopodium. Of the six rays the third, fourth and fifth ones are profoundly modified. In the female right pelvic fin is usually absent and her fins are shorter and more rounded in shape.
[edit] Tank Compatibility
- These are very small fish and for that reason are best kept in species tanks. They will easily become dinner to larger fish.
[edit] Diet
- More detail on diet...
[edit] Feeding Regime
- How often to feed, etc.
[edit] Environment Specifics
- Unknown
[edit] Behaviour
- Unknown
[edit] Identification
- The Japanese Ricefish is a very small elongated and slender fish with a pointed snout and upturned mouth. The anal and dorsal fin are towards the back of the fish and caudal fin is more square in shape compared to equally small fish such as Endlers Livebearers. The eyes are blue. There are several colour variants. Wild types are pale cream in colour, almost translucent. There are also yellow variant and they area also known to be genetically modified, see below.
[edit] Species Notes
- These fish have been seen genetically modified in other colours using the same method as Glofish. They will look a lot like the Glofish but without the Zebra Danio's stripes. This fish will have the same restrictions as it is a GM product as the Glofish does. They may be referred to as "Fluorescent Ricefish".
- This fish is used in many medical and scientific research projects, it's even been to space! It was the first vertebrate to mate in space, the fish laid eggs and had a successful brood of fry in orbit. They were on board the space shuttle Columbia in 1994[1].
[edit] Pictures
 School of Ricefish |
 "Fluorescent" Ricefish |
