Tetraodon palembangensis

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Tetraodon palembangensis, the King Kong pufferfish or humpback pufferfish, is a species of Tetraodon, the second largest genus in the pufferfish family, growing to about eight inches in length. The largest is tetraodon mbu. Family Tetraodontidae, Origin Thailand, Laos, Malaysia and Indonesia.Habitat Inhabits freshwater streams, slow-moving rivers and ponds.Normal activity is immobility. The fish either lies motionless in hiding, on the substrate, or hangs amongst plants. Any motion tends to be in relation with feeding. The Palembang appreciates a complex enviroment with plants and caves.

Maximum Standard Length 7.8" (19.5cm). Minimum Tank Size Not a particularly active puffer, a single one of these can be comfortably housed in a tank measuring 48" x 12" x 12" (120cm x 30cm x 30cm) - 110 litres.

Tank Setup
This species appreciates cover as unlike some other species of predatory puffers it doesn't tend to burrow into the substrate. Pieces of driftwood, large rocks and clay flowerpots are all suitable for this. It can be kept in a planted setup without problems, although plants aren't essential. Like all puffers, it's very sensitive to deteriorating water conditions, so regular partial water changes are a must.Temperature 75-82°F (24-28°C, pH Range 6.8-7.6, Hardness 8-20°H

Relishes all kinds of shellfish, as well as worms and other live and frozen foods. It should be fed snails and unshelled shellfish (such as crab legs, mussels etc.) regularly, in order to maintain its sharp teeth. As with other puffers, their teeth grow continuously and become a problem for the fish if they're not kept ground down. It's sometimes a little reluctant to accept dead foods initially, but can usually be weaned onto them with a little patience. Due to its inactive nature it doesn't need daily feeding. Every other day is fine for juvenile fish, while adults require only one or two feeds a week.

Unsuitable for the community tank due to its piscivorous nature. It can sometimes be kept with similarly sized or larger, active species such as bigger characins or cyprinids, but the risk is always there.

Surprisingly, while best kept as a single specimen, it's not especially hostile towards its own kind and several can be maintained in a large tank as long as plenty of hiding places and visual barriers are provided. Some squabbles will inevitably occur, so do keep a close eye on proceedings if you decide on a group.Sexual DimorphismUnknown.

Has occured in aquaria, albeit very rarely. The fish is a substrate spawner, with the eggs being laid in a pre-excavated pit within a cave. After spawning the male takes care of the eggs until they hatch, at which point the adult fish should be removed. The fry can be fed brine shrimp nauplii and even bloodworm from birth. They're quite belligerent with one another so plenty of cover is required.

Puffer fish are so called as they have the ability to inflate their elastic stomachs with water or air. This is usually a response to some kind of threat, although in the aquarium many specimens appear to inflate themselves for no apparent reason. The fish becomes 2 or 3 times it's normal size, which makes the fish both big enough to scare away many potential predators, and difficult to swallow.

Many parts of the body of puffers contain the deadly neurotoxin tetrodoxin. This is the same poison found in the notorious blue-ringed octopus. When ingested in sufficient quantities, it can cause paralysis and death. As yet there is no known antitoxin and to humans it is over 1000 times deadlier than cyanide. Grotesquely, the victim usually remains conscious as he or she becomes paralysed. It's a famous delicacy in Japan, but is prepared only by highly-trained chefs, and even then many people have died from eating it.

An ambush predator, Tetraodon palembangensis is a very inactive fish, some specimens only moving when food is offered. As such it's really only suitable for the true enthusiast. Correspondingly palembangensis are not seen in the trade very often.

An unusual looking puffer, which due to its 'hide and wait' ambush tactics, is not generally as active as some of the more commonly kept species. They are territorial with their own kind, but several can be kept in a spacious tank with plenty of decor, which should only result in occasional sparring rather than serious aggression. This species is not imported often.

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Todd HellsKitchen said...


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