I live in Indiana (Indianapolis area). I've got a 125 gal. tank. I have 2 med. sized Oscars. I am interested in the elec. Blue Jack Dempseys. I'd like to buy one or 2 large ones. Does anybody know where I can buy large ones either in a pet store or online? Thanks! Kent Robinson
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Looking to Purchase 1-4 Bubble Eye Goldfish. Cheryl Court
The Pleco or Plecostomus Hypostomus plecostomus is a fish that just about everyone is familiar with. Most freshwater aquarists have added them to a tank at one time or another. This is the catfish most commonly used for getting rid of problem algae in the aquarium. It is one of the hardiest and most enduring of all catfishes.
The Pleco is an unusual fish in body shape with its underslung suckermouth, tall dorsal fin and moon-shaped tail fin. It can also roll its eyes in there sockets, making it look like its winking. Its normal coloring is a light brown that is heavily patterned with dark blotches of stripes and spots, making it look like a very dark fish. There are also varieties of this species that are missing some or all of the dark patterning, so this fish is also available as an Albino Pleco.
The Common Pleco is typically purchased as a juvenile when it is about 3 inches (8 cm) in length, but this fish gets very large as an adult. It can reach about 24" (61 cm) in length, though they seldom exceed 12 - 15" (30.5 - 38 cm) in the aquarium. They are fast growing, and have an average lifespan of 10 - 15 years in captivity.
Juvenile Plecostomus are easy to care for. They are nocturnal, getting active and feeding at night. Some driftwood or other decor should be provided to give them caves to hide in during the daylight hours. They are also jumpers, so be sure to have a cover on the aquarium. Although Plecs are omnivorous, they primarily feed on algae in the aquarium.
This is a very friendly, good natured fish when young. Juvenile plecos will generally get along with most other tankmates, even Cichlids and other aggressive fish. One exception to this is they can get aggressive and territorial towards other plecos if they were not raised together. They will also defend their favorite spot from other types of fish with similar habitat requirements, like Rope Fish, some eels, and some knifefish.
There are a few words of caution when keeping these fish. They have been known to remove slime from laterally flattened fish like discus and angelfish when they are sleeping, and also goldfish. Even though they are herbivores they can get quite large and can become too big for small aquariums. As they mature they may also become more aggressive and are then best kept singly in a large tank.
Pleco or Plecostomus Hypostomus plecostomus was described by Linnaeus in 1758. They are found in northern South America. They inhabit ponds and the fresh and brackish waters of river mouths on both the Pacific and Atlantic Ocean slopes. The term plecostomus means "folded mouth" and is applied to a large number of species with a suckermouth characteristic, though they differ in length, coloration, and other features like the whisker type extensions around the mouth of the Bristle-nose Catfish Ancistrus spp.Common names this fish is know by include Pleco, Plecostomus, Plec, Suckermouth Catfish, Armor-Plated Catfish, Algae Eater, and Suckerfish.
There are many species of Suckermouth Catfish sold under the name "Pleco". There are over 120 Hypostomus species alone, and at least 50 of them have a spotted patterning. Some that are very similar to this species, and also commonly available, include the Trinidad Pleco or Spotted Pleco Hypostomus punctatus , Orinoco Sailfin Catfish Pterygoplichthys multiradiatus , Amazon Sailfin Catfish Pterygoplichthys pardalis , and the Leopard Pleco or Clown Plecostomus Glyptoperichthys gibbiceps . Lots more species are occasionally available, including many that science has yet even described.
Scientific Name: Hypostomus plecostomus
Social Grouping: Pairs - In the aquarium they are incompatible with their same species unless they have been raised together. As adults they can become territorial and aggressive.
IUCN Red List: NE - Not Evaluated or not listed
The Pleco has an elongated body covered by bony plates, also referred to as armor clad scales, except on the lower part of the head and the belly. It has a tall, sailfin type dorsal fin and a large head that grows larger with age. The mouth is underslung with suction-cup like lips that adhere to smooth surfaces to suck algae. Its eyes are small, set high on the head, and give a winking appearance as they roll inside the sockets.
The normal coloring of this fish is a light brown base heavily covered with dark blotches patterned in stripes and spots, making it look like a very dark fish. There are also varieties of this species that are missing some or all of the dark patterning. This fish is also available as an Albino Pleco.
In the wild these fish gets up to 24 inches (60 cm) in length, though they seldom exceed 12 - 15" (30.5 - 38 cm) in the aquarium. They are fast growing, and have an average lifespan of 10 - 15 years in captivity. In the wild they can live more than 15 years.
Size of fish - inches: 24.0 inches (60.96 cm) - These fish seldom exceed 12 - 15" (30.5 - 38 cm) in the aquarium.
Lifespan: 15 years - In the wild they can live more than 15 years, but have an average lifespan of 10 - 15 years in captivity.
Fish Keeping Difficulty
The Plecostomus is easy to care for as long as there is plenty of algae and/or other algae based foods provided, making it a great fish for the beginner. The chemistry is not critical, but its quality must be good. Be aware that the Plecostomus grows quickly and becomes quite large, so will require a large tank with age.
Aquarium Hardiness: Very Hardy
Aquarist Experience Level: Beginner
Foods and Feeding
Although Plecostomus are omnivorous, the bulk of their diet is algae. They will eat undesirable algae and will generally not harm plants. Provide an aquarium that is well established with lots of natural algae growth. Also feed supplements including algae wafers, green foods and sinking pellets to make sure they don't starve. Some supplement that can be offered include vegetables like blanched spinach, lettuce, and peas as well as live worms, small crustaceans, and insect larvae. These fish may graze on the plants if they are not feed sufficient amounts. It is best to feed them in the evening just before turning out the lights. Note: they have not been observed to eat blue algae.
Diet Type: Omnivore
Flake Food: Yes
Tablet Pellet: Yes
Live foods (fishes, shrimps, worms): Some of Diet - Occasional supplements of live worms, small crustaceans, and insect larvae can be offered
Vegetable Food: All of Diet - Although they are omnivorous, the bulk of their diet is algae. Supplement that can be offered include vegetables like blanched spinach, lettuce, and peas, as well as fruit.
Meaty Food: Some of Diet
Feeding Frequency: Daily
The chemistry is not critical, but its quality must be good. Good filtration and regular water changes are important because of the large amount of waste this catfish produces. The recommended water change is 15% once a month, change it more often if the water is heavily fouled.
Water Changes: Monthly - The recommended water change is 15% once a month, change it more often if the water is heavily fouled.
A minimum 55 gallon aquarium is recommended for the Pleco. Although when small they can be kept in a smaller aquarium for a short period of time, these are fast growing fish and will soon need to be moved. Some driftwood or other decor should be provided to give them caves to hide in during the daylight hours. They also like a well planted tank, but use hardy species as they can damage delicate plants as they move around grazing on algae growths. They are also jumpers, so be sure to have a cover on the aquarium.
Keeping some wood in the tank offers a number of benefits besides offering a place of refuge. Their rasping action to remove algae from the wood provides a perfect place for more algae to grow maintaining a constant food source for this fish. Also, the cellulose in wood is necessary for their digestive process.
Minimum Tank Size: 55 gal (208 L) - Juveniles may be kept in a smaller aquarium for a short period of time, but these fish are fast growing and will need a larger tank as adult.
Suitable for Nano Tank: Sometimes
Substrate Type: Any
Lighting Needs: Moderate - normal lighting
Temperature: 66.0 to 79.0° F (18.9 to 26.1° C)
Range ph: 6.5-8.0
Hardness Range: 1 - 25 dGH
Brackish: Sometimes - In the wild they live both fresh and brackish water, as some are ound in the mouths of rivers flowing into the ocean. But in captivity they do fine in a freshwater aquarium.
Water Movement: Moderate
Water Region: Bottom - The Pleco or Plecostomus will swim in the bottom of the aquarium.
They are a good community fish when young, and can be kept with almost all other fish. But it does not get along with its own species and can become aggressively territorial as it becomes older. They have been known to remove slime from laterally flattened fish like discus and angelfish when they are sleeping, and also goldfish.
Same species - conspecifics: Sometimes
Peaceful fish (): Safe
Semi-Aggressive (): Safe
Aggressive (): Safe
Large Semi-Aggressive (): Safe
Large Aggressive, Predatory (): Safe
Slow Swimmers & Eaters (): Safe
Shrimps, Crabs, Snails: May be aggressive - Although they primarily eat algae, they may snack on small crustaceans if they aren't fed an adequate amount of food.
Plants: Safe - They prefer a planted aquarium, but use hardy specimens.
Sex: Sexual differences
Plecoscostomus fish are difficult to sex for all but the most experienced. A trained eye can compare a male and female, with a male's genital papilla being a small but thick stub protruding from its undercarriage. On the female it will be either recessed or lie flat on the body.
Breeding / Reproduction
In the wild, the Plecostomus breeds in deep burrows excavated in riverbanks. Reproduction in the aquarium is unsuccessful, but this fish is bred in large quantities in Singapore, Hong Kong, and Florida. They are bred in large commercial fishery ponds where a spawning pit is fanned out in the side of the muddy steep banks. A pair will spawn about 300 eggs and the male will guard the eggs, and then the fry. The fry feed off of mucus excreted from the body of the parents. At the end of this breeding period, the ponds are then drained, and the young and parents are removed.
Ease of Breeding: Difficult - These fish will not propagate in the aquarium, but have been reproduced in large commercial fishery ponds.
Plecos are very hardy fish, but are are subject to the same diseases as other tropical fish. Disease is not usually a problem in a well maintained aquarium and these catfish are very resilient. One of the most common freshwater fish ailments is ich.
All medications should be used with caution. Because they are a scaleless fish, catfish can be treated with pimafix or melafix but should not be treated with potassium permanganate or copper based medications. Malachite green or formalin can be used at one half to one fourth the recommended dosage. Take care when treating disease as catfish are extremely sensitive to medications.
The best way to proactively prevent disease is to give your fish the proper environment and give them a well balanced diet. The closer to their natural habitat the less stress the fish will have, making them healthier and happy. A stressed fish will is more likely to acquire disease. For information about fish diseases and illnesses, see Aquarium Fish Diseases and Treatments.
The Pleco or Plecostomus Hypostomus plecostomus is readily available from pet stores and online, and is moderately priced.
sonia - 2012-03-18 About the breeding. This happened completely by accident. I have a albino bristlenose longfined pleco and an albino pleco and they just had babies. There are about 18 of them and they are about the size of half a pea. They are pinkish orange and I can already see the fins. I find this to be quite the experience since they are in a 35 gallon tank with a variety of chilids.
Diane Smith - 2014-11-06 SURPRISE, SURPRISE ! I got up this morning to find baby Pleco's in my 55 gal. tank. I did not know they would reproduce in captivity, as all I've read says they don't ! So far I have counted at least 10 babies. I'm so excited; I sure hope they survive. I have guppies, swords,catfish, and 3 Pleco's in the tank. My Pleco's are quite young/small, only about 2 1/2 inches long. Just had to share my experience.
Clarice Brough - 2014-11-07 That is really exciting news! Congratulations Diane, that is way too cool!
blake - 2014-10-20 My pleco, despite being in a tank, has been recently burrowing around in the sand.(wriggling side to side) sooo is he/she showing breeding behavior or what is this? lol its making my tank a mess lol
Clarice Brough - 2014-10-20 Well, it is normal for most plecos to dig in sand and under objects. Because yours has never done it before, it could be related to breeding behavior, as these fish excavated deep burrows in riverbanks for their nest. But it's nothing to worry about, except the mess:)
Amy - 2014-09-25 I think I may have a problem. I've just introduced a 9' plecco (Pterygoplichthys gibbiceps) to my 50 gallon, well established aquarium that is also home to three 4' goldfish. It's been day four, and he sleeps all day in his favorite cave, and for the first two nights, I could watch him darting around as soon as the lights went off. These last few nights, he's been a little sluggish getting out of his cave, so I've been placing his algae wafers in the top hole of his cave to make sure he was getting enough to eat. The resulting mess confirmed he was indeed eating, but tonight, as I turned out the light, he was again shy to get out, and when he finally did, I noticed he seemed thinner and less active than before. I've tested the water chemistry, the temperature is a steady 72°, and the tank is free from filth. I was told by the shop where I bought him from that he was an owner trade in, as he got too big for their 20 gallon tank. He was a very healthy specimen! Could anyone shed some light on this behavior and weight loss issue for me? Any advice would be appreciated. Thank you in advance!
Clarice Brough - 2014-09-26 Hard to say what's going on, he may still be adjusting. It wouldn't hurt to do a water change, especially since you're sure he's been eating, because all that food may be putting quite a load on the tank. I also suggest you test your ammonia, it can jump when the nutrient load is increased because the biofilter takes time to adjust to a higher load.