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Old 12-07-09, 10:51
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Curby Curby is offline
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Talking L255 Spotted Medusa Pleco..

The L255 Spotted Medusa Pleco.............Care Sheet............







Photos are copyrighted to Irene0100


Family = Loricariidae

Origin = Rio Xingu, Brazil.

Habitat = Inhabits shallow, fast flowing waters, where it lives among the rocky substrates.

Maximum Growth = 8" (20cm).

Minimum Tank Size = A pair could be kept in a tank measuring 48" x 12" x 12" (120cm x 30cm x 30cm) - 108 litres. Larger quarters would be required for a group.

Tank Setup = A stream-type setup with a gravel or sand substrate and rounded stones and rocks would simulate its natural biotope, but it's equally at home in a planted tank. It does need well-oxygenated water with a lot of movement though and live plants tend not to do so well under these conditions. It will not do well without a degree of current running through the tank.

Temperature = 77-86F (25-30C)

PH Range = 6.0-7.0

Hardness = 2-10H

Diet = Except when juvenile, these are not as vegetarian as many Ancistrus, preferring a meatier diet. This can consist of live and frozen foods such as bloodworm, chopped mussel and prawn and other similar foods

Compatibility = A generally peaceful species. In a biotope setup good tankmates include characins such as Anostomus, Hemiodus, Semaprochilodus and Metynnis species, reophilic cichlids such as Retroculus and other Loricariids requiring similar conditions. Despite its peaceful nature, it's not the best general community, due to its rather specialised requirements. If you're keeping more than one, ensure each has it's own refuge to call home, and expect some territorial bickering.

Sexing = Only the males develop the full, bushy growth of tentacles covering the head. Females do possess some tentacles, but they are far fewer in number.

Breeding = Not an easy species to breed, and it's not been achieved very often in the hobby. It's therefore best to set up a separate spawning tank for a serious attempt. The best way to obtain a pair is to buy a group of at least 6 fish and grow them on together. A tank of around 30" x 12" x 12" will be needed, to allow the males to develop territories. Furnish the tank with plenty of caves and refuges, as like other Ancistrus, this is a cave spawner. Rock is the preferred material for the caves, but the fish will spawn in flowerpots, lengths of pvc piping etc. if no rock is available. What is important is that the entrances must be only slightly larger than the fish. The water should be soft, acidic, very well oxygenated and turbulent. The pH should be around 6.0-6.5 and the temperature 80-84F. There's no need to use a substrate.

Condition the fish with plenty of live and frozen foods. Once the fish sex out, you may wish to leave just a single male in the tank with 2 or more females, or much fighting can occur and the fish might not breed.

If the fish are kept in the correct conditions and fed a good diet, they'll often spawn without any further interference. The males will choose caves and defend them vigorously against other males, whilst conversely trying to entice females inside. A successful male will be ejected from his cave briefly, whilst the female goes inside to lay her eggs. When she's finished, the male re-enters the cave and fertilises them. The female plays no further part in broodcare, the male assuming sole responsibility for defending the cave against intruders, and tending to the eggs. This he does almost constantly, fanning them vigorously with his fins. He may also allow more females to deposit their eggs in the cave, and will care for all diligently. In fact it's been suggested that females are more likely to spawn with a male that is already guarding eggs or fry, and some have even hypothesised that the characteristic tentacles on the head of male Ancistrus are lures to prospective mates, being designed to resemble juvenile fish.

The eggs are large and orange, and hatch in 4-5 days. The fry then remain in the cave, under the protection of the male for another few days, until they've used up their yolk sacs. At this point brood care usually, though not always, ceases and the fry will need heavy feedings of greenstuffs, such as blanched spinach, cucumber slices and algae wafers and small aquatic invertebrates such as microworm or brine shrimp nauplii. Ensure that food is available at all times, as the fry are voracious feeders and can easily starve if not provided with a constant supply of food. They can be left in the spawning tank if you wish, as the adults will not harm them, or they can be moved to a separate rearing tank containing identical water. Brood size can vary, but expect at least 40-50 fry. Be prepared to move some of them to separate tanks if differences in growth rate become apparent, as the larger fish will outcompete the smaller for food.

If you're having trouble spawning these, try conducting a large (50-70%) water change with cool water, simulating the infux of colder water the rainy season brings in nature. Repeat every few days until the fish spawn.

Other Note's = A bizarre looking species, the massive, wide head and flattened profile of L255 are truly distinctive. Unfortunately, it's not the easiest fish to keep alive in the aquarium, as it requires somewhat specialised conditions, and is often weak due to oxygen deprivation when newly imported. As a juvenile, it often sports a pattern of light spots on the body, leading to confusion with the similarly shaped Ancistrus ranunculus . These fade as the fish matures in A. ranunculus , however, but are retained in L255.

Hope this help's CuRbY
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Old 12-07-09, 11:47
Doodles Doodles is offline
 
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Thankyou curby
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Old 12-07-09, 13:44
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Irene0100 Irene0100 is offline
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thanks very much
I have a young pair of these I would love to spawn, but they are so slow growing!
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Old 12-07-09, 14:37
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Gem400 Gem400 is offline
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Thanks Curby, I'd love a pair of these

Cheers
Gemma
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Old 11-10-09, 10:01
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Plecz Plecz is offline
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Very helpful, well done...
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Old 14-11-09, 01:47
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very informative!
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