If kept individually they can become restless and skittish, always house in small groups of at least 6 specimens.The water quality the aquarium should be pristine so use a good filtration system and maintain a good water flow to keep the water highly oxygenated. Apart from differences in size, the two species are superficially similar, being green above, white below, and patterned with black transverse bands across the dorsal surface.

A linear flow pump may prove a useful addition, while weekly water changes of 30-50% should be considered mandatory.Wild examples can be delicate and sensitive to white spot/ich post-import, so a lengthy quarantine period may be required.Tetraodontids lack true teeth, the jawbone itself being modified into four fused toothlike structures.

The main body colouration is a pale yellowy green which is broken by dark barring along the whole of the body.

It appears to be absent from French Guiana and Suriname.Type locality is ‘Barama River, northwestern Guyana’.Has been recorded in lower, middle, and upper river basins with habitats including sandbars, beaches, floodplain lakes, banks with overhanging vegetation, and fast-flowing rapids over bedrock, boulders, and stones. PLoS ONE 8(9): e74397. Distribution. Even so, some do well by themselves. Compared with Like other pufferfish, they have the ability to inflate themselves when threatened, making themselves much larger and therefore more difficult for predators to handle or swallow. Silva; and E.F. Carvalho (2013).

Occurs throughout much of the Amazon basin in Brazil, Colombia, Peru, and Ecuador, including the Amazonas/Solimões main channel plus the rios Pará, Tocantins, Jari, Xingu, Tapajós, Uatumã, Madeira, Trombetas, Negro, Purus, Tefé, Japurá/Caquetá, Juruá, Jutaí, Içá/Putomayo, Javary, Ampiyacu, Amacayacú, Napo, Nanay, Marañón, and Ucayali, with its range extending at least as far upstream as Pucallpa in eastern Peru.There are also numerous records from drainages north of the Amazon mouth including the Essequibo and Waini in Guyana, and lower Orinoco in Venezuela. You have been logged out successfully!

120179 ): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity. Trophic Level (Ref. The asellus is a species of freshwater pufferfish, from the Colomesus genus, which is endemic to tropical South America.

Resilience (Ref. The main body colouration is a pale yellowy green which is broken by dark barring along the whole of the body.They have the ability to inflate themselves by the use of water or air hence their common name and this ability adds to their interest, enticing these fish to inflate is not advised as it can increase their stress levels.Amazon pufferfish do not possess scales which makes them more prone to aquarium related diseases and they beaks will need clipping down from time to time.Pufferfish require larger water volumes for each specimen compared to the general rule of 1 gallon per inch of fish.
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They are classed as a freshwater puffer fish so do not require brackish conditions for longevity, it is important to perform regular water changes as they are high waste producers.It is advised to keep them in a species only set up as they will become aggressive towards non specific tank mates.These fish will accept a varied diet but it is wise to offer meaty crustaceans to keep their beaks trimmed own. Compared with Like other pufferfish, they have the ability to inflate themselves when threatened, making themselves much larger and therefore more difficult for predators to handle or swallow.

They will graze on algae but for vegetable content offer a quality flake or pellet food and supplement with spirulina.

Decaying food will quickly deteriorate the water quality which will affect the general health of these fish.There are no visible differences between the sexes.There are no reliable reported cases of the Amazon puffer breeding in the aquarium. Only feed what the Amazon pufferfish can consume in a 5 minute period, it may be best to offer small meals each day rather than one large meal.

The Amazon puffer needs to be kept in a tank that is at least 20 gallons. At a volume of 108 litres, the filter we recommend can be found Other aquarium filters which have been recommended highly by customers in your area can be found To search for other high quality aquarium heaters in your area, click Click on the following links to search for high quality live, frozen and dry food: To find other high quality, highly recommended foods click It is known to contain the toxin saxitoxin. It has typically been recognized as the only true freshwater pufferfish of South America, but a study in 2013 recommended that the population in the The coloration of this fish is green above, white below, and patterned with black transverse bands across the dorsal surface. Puffer fish have the ability to 'puff' themselves up with water or air if threatened. Colomesus asellus Size Fishbase and other academic sources report a maximum length of 15 cm, but aquarium fish never get that big; 7-8 cm (about 3 inches) is usual. Maximum size is about 2 inches or so.

This is achieved by drawing water into a specialised ventral diverticulum of the stomach, although air can also be used if the fish is removed from the water.

Puffer fish have the ability to 'puff' themselves up with water or air if threatened.

This C.asellus is a popular aquarium fish and is commonly referred to as the Amazon Puffer, Peruvian Puffer and the South American Puffer (sometimes abbreviated to …

Due to some unpredictability with mixing, Amazon Puffers are excluded from the …

Adult specimens are expected to reach an average length of up to 4.5-5 inches and they display great colouration and markings.

They are not picky about the pH of the water and they prefer a temperature range of 74-80 degrees Fahrenheit.


They are still young and are about 4 cm long, but are growing fast! PLoS ONE 8(9): e74397.

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