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For Your Every Summer RSVP, with Code: SUMMER15
Description
Neon Blue Rainbow Fish Melanotaenia Praecox 5cmNeon Blue Rainbow Fish Melanotaenia Praecox Synonyms: Rhombatractus praecox Distribution: Middle reaches of the Mamberamo River in northern Irian Jaya. Maximum Size: 6cm (2. 4") Temperature: 22 28C Water Parameters: Undemanding. pH: 6. 0 8. 0, dH: up to 15 degrees. Compatibility: Community Lighting: No special requirements Sexual Dimorphism: Males more colourful with redder finnage, also becoming deeper bodied with age. Females with orange yellow
Neon Blue Rainbow Fish Melanotaenia PraecoxSynonyms: Rhombatractus praecox
Distribution: Middle reaches of the Mamberamo River in northern Irian Jaya.
Maximum Size: 6cm (2.4")
Temperature: 22-28°C
Water Parameters: Undemanding. pH: 6.0-8.0, dH: up to 15 degrees.
Compatibility: Community
Lighting: No special requirements
Sexual Dimorphism: Males more colourful with redder finnage, also becoming deeper bodied with age. Females with orange-yellow finnage trimmed with silver.
Feeding: Flake, granules and frozen foods
Description
Care
A large shoal of iridescent Neon Rainbowfish gracing a planted community aquarium creates a wonderful, eye-catching display. Best maintained in groups of at least 6 specimens, they will add activity and colour to the top and middle levels of the tank. The aquarium itself should be 3ft in length, or longer. The sides and back should be aquascaped with plants and bogwood to create a network of hiding places which the fish will enjoy exploring, leaving a large open swimming space in the central portion. Floating plant species can be used to help diffuse bright lighting. Perfectly peaceful with other species and will not eat plants; an ideal community aquarium candidate! Do not keep with large boisterous species. May also be seen on sale as Neon Dwarf Rainbowfish or Praecox Rainbowfish.
Feeding
Enthusiastic eaters - be careful not to overfeed. Flake, micropellets, small frozen foods such as mosquito larvae, daphnia, brineshrimp etc.
Breeding
A separate good-sized breeding aquarium should be set up with a substrate of marbles. A small air-driven sponge filter (with a mature sponge) should be added to give gentle circulation and filtration. The temperature should be set at 26 °C. A conditioned group (3 females, 2 males) should then be acclimatised across to the breeding aquarium, which should be furnished with plenty of fine-leaved plants/Java moss clumps. After a time, a male will swim in front of a female, displaying to her. He will then begin to drive the female over the plants, utilising the whole length of the tank. The eggs will be scattered over the plants a few at a time. These fish are known as 'continual spawners' which means that the spawning activity takes place over several days/weeks, even months in some cases. This can present problems to the aquarist in that some adult fish may begin to consume the eggs as they are scattered, although this may not be a problem if the adults are kept well fed. However, many fishkeepers have found the eggs to be remarkably tough and have had great success in siphoning them out into another aquarium (containing matching water from the spawning tank) or else using spawning mops, which, when having caught a number of the eggs, can be moved to a separate tank (again with matching water) and replaced with a new mop, as and when each series of eggs are deposited. The eggs will usually hatch in 7-9 days (dependent on temperature) and once free-swimming, the tiny fry can be offered infusoria, moving onto larger foodstuffs as they develop.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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4.5 ★★★★★
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Product Reviews
★★★★★ 3
Try a different pillow
Size: Upgrade Queen (2 Pack)
Even with all the memory foam in it, it's still flat. No firmness to it. I hoped it would expand and settle in the few weeks I've had the pillows, but nothing works (dryer, fluffing, etc)
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Reviewed in the United States on June 4, 2026
★★★★★ 5
This is a must have!
Size: Upgrade Queen (2 Pack)
One of my favorite purchases! I love that you can take stuffing out as needed. My husband kept majority of his in because he likes a full pillow. I prefer a flatter, soft pillow so I took out probably half of the stuffing. We both love them!
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Reviewed in the United States on May 30, 2026
★★★★★ 5
Excellent pillow.
Size: Upgrade Queen (2 Pack)
Wow these pillows are fantastic!!! First off they are good quality and sized as described. I'm forced to sleep on my back since I use a cpap every night. They suggest taking some filling out for "back sleepers". But in my case, I am disabled, overweight, and the way I position myself on a pillow is probably unique. I have a little of my shoulders, head and neck on the pillow. I didn't have to remove any filling. It was pretty good at first and after about a few day/nights, everything settled in just perfectly. It's truly one the finest pillows I've owned to date. (Part of my disability is a very painful neck & muscle malady, my head leans far to the right. Basically feels like a crick in your neck that never goes away. It's called tortacollis or dystonia depending who you talk to.) Because of this, I have truly spent hundreds and hundreds of dollars on different types and styles of pillows. A very select few have worked out fairly well over time until I found this one. As I said in the beginning, this is an excellent pillow and a great value as well. Hopefully this will work as well or even better for others. I purchased a 2 pack this time, 1 for home and the other for our RV. Definitely buying. another 2 pack to keep for future replacements. Pillows simply don't last forever. They get funky in time. No matter how clean you try to stay with bedding and personal hygiene, it just happens eventually. Sweet dreams. :~)
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Reviewed in the United States on June 23, 2025
★★★★★ 1
👎🏽 a
Size: Upgrade Queen (2 Pack)
Incredibly thick and firm pillows. Not great for stomach or side sleepers. They alway end up on the floor cause we find them uncomfortable. Don’t recommend, practically unusable
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Reviewed in the United States on November 5, 2025
★★★★★ 5
It works! Quality pillow.
Size: Standard (1 Count), Color: Original White (Cooling)
This does actually provide a cooling effect, and it's very comfortable! The accompanying literature is helpful too. I believe this to be a quality pillow for the price.
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Reviewed in the United States on June 2, 2026