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TF2YD Stores > Wildwoods > Rainbow Fish & Blue Eyes> Spotted Blue Eye Pseudomugil gertrudae


Spotted Blue Eye Pseudomugil gertrudae

Category: Rainbow Fish & Blue Eyes

Size: 2.5-3cm

Price: £3.95 each

Discount: Buy 10 or more Spotted Blue Eye Pseudomugil gertrudae and get 10% off!!

Stock: 25 in stock



New Larger Size!


Further details:

Further information can be found below:

Fish type: tropical
Male or Female Either males or females available (please be aware that some species are unsexable)
Water conditions: These fish are currently kept in water Ph 7.8 and Hard
Breeding: TBC
Volume Discount: Buy 10 or more Spotted Blue Eye Pseudomugil gertrudae and get 10% off!!
Size: 2.5-3cm

Pseudomugil gertrudae (Spotted Blue Eye)

An exceptionally pretty rainbowfish that look great if kept in a group. The fish that you are likely to see in the dealers tanks are young and therefore will not have developed the stunning colouration which you can see in the attached photograph. These fish are rarely seen in the shops so if you are lucky enough to come by some and have some spare space in your tanks buy them while you can.


Fish information (behaviour and breeding):

The following information is reproduced from an article by Joe Kaznica and may not be used without his permission.

Gertrude's Rainbow is a very small rainbow fish that is found in northern Australia and New Guinea. It comes from streams in five very localised areas and is not wide spread. It is part of fifteen species that make up the "blue-eye" family. When you see the fish, you will instantly know why it is a "blue-eye." Even as small fry, this fish has bright fluorescent blue eyes. The males are an overall green yellow in colour with bright yellow wing like pectoral fins. The dorsal and pelvic fins are very feather like. The female has shorter fins, but is very attractive by having an overall blush of orange, which is deeper at the tail. Both males and female are covered with spots. This species is also known as the Spotted Blue-eye. The adult fish is only a little more than an inch in length and is perfect for a small 2.5-gallon or 5.5-gallon aquarium. It can be kept in a community set up, but the inhabitants must all be very peaceful. It likes to be warm, about 80 degrees at neutral pH. It was first described by Weber in 1911, but was only introduced to the international aquarium hobby in the 1982 to 1985 time frame.

P. gertrudae is a very easy and interesting fish to spawn. It is what I call a "continuous spawner." I set up three males and six females in a ten-gallon tank at 80 degrees, pH of 7. I place gravel in the tank, just enough to cover the bottom. I add two green spawning mops. My spawning mops are made of nylon yarn. Each mop is made of about 25 strands of yarn, which are about thirty inches long. The mop is then folded in the middle so that you achieve a fifty-strand mop that is about fifteen inches long. I have seen spawning mops of many different colours, but green seems to work the best for me. An important point with P. gertrudae is not to suspend the mops in the tank, but let them sink to the bottom. This species is a bottom spawner, and greatly prefers the spawing mops on the bottom. The males will display for the females as day light increases. Most spawning takes place about mid morning and is very gentle. The females lay one to three eggs per day onto the mops. After about a week, I take the mops from the tank and remove the eggs by hand into a one-gallon tank. The three females will give me about thirty eggs per week. I place some plants into the fry tank to get some microorganisms growing to be available as food once the eggs hatch. This is where you have to be patient as it takes about twenty days for the eggs to hatch at 78 degrees. Once I see fry free swimming, I add 'Liquid-Fry' food and baby brine shrimp about twice a day into the fry tank. Growth is quite rapid, and you will have an adult fish in about three months. If you keep this species by itself, you will find babies in the tank, as the adults do not appear to prey on their eggs or fry. However, you will only get a few fish this way. My own experience is that this species is not a very long lived and they should be considered annuals.


Fish Details:

Further fish details are shown below:

Distribution Australia and New Guinea
Temperature 23-28C
Size 3cm
Water Parameters Will accept most conditions.
Water PH 6.5-7.5