Pao suvattii

Pao suvattii,[2] or Arrowhead puffer, is a species of pufferfish. It is a medium-sized pufferfish, reaching 11.5 cm (4.5 in) SL.[3] It is also known as a Pignose Puffer or a Mekong Puffer. It is locally common in the Lower Mekong basin, and is exclusively a freshwater fish.[1]

Pao suvattii

Least Concern  (IUCN 3.1)[1]
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Tetraodontiformes
Family: Tetraodontidae
Genus: Pao
Species:
P. suvattii
Binomial name
Pao suvattii
(Sontirat, 1989)
Synonyms
  • Tetraodon suvattii Sontirat, 1989
  • Monotrete suvattii (Sontirat, 1989)

The specific name honours Thai ichthyologist Chote Suvatti, former professor of Kasetsart University, who collected the type specimen at Mekong.[4]

In captivity

P. suvatti is among the most aggressive of puffers in captivity. Just Like their saltwater cousins,P. suvatti contains tetrodotoxin within their skin, organs and teeth. Normally when P. suvatti are kept as pets they must be kept in an aquarium by themselves as they have a tendency to always be aggressive and hungry,[5] unless they are well-fed, and thus they will nibble on the other fish's tails, and occasionally will make a meal of the other fish. Because of the Suvatti's eating habits, it should normally only be fed every other day. During a feeding the Suvatti will shoot up to the surface and guzzle down large amounts of food causing it to double in size. The Arrowhead Puffer can be purchased at most pet stores that carry exotic fishes for around 20-30 USD. Basic care would include the feeding of live fish, gut-loaded ghost shrimp, crayfish, and perhaps raw shrimp or mussels. Never overfeed the fish or give it red meat or chicken as this can lead to fatty liver disease, which is usually fatal. For a single species aquarium this fish would make a great pet, and they have been known to live up to 10 years in a well-maintained aquarium - which, as with all puffers, means water changes of 50% each week, with good water movement and absolutely no ammonia or nitrites, and minimal nitrates. this puffer species can also be aggressive towards humans. It's a dangerous pufferfish which has a tendency to bite humans with its sharp four teeth, fused together like a beak. They may attack humans by biting them when threatened. So in the wild and in aquarium, it's a dangerous fish which are both aggressive against both humans and other aquarium fishes. However, it's not as aggressive and dangerous towards humans as Feroxodon Multistriatus aka the Ferocious Puffer and Fang's Puffer (P. cochinchinensis)

gollark: But unless you have an *actual security reason* I would disagree with that.
gollark: > This status code is commonly used when the server does not wish to reveal exactly why the request has been refused,That's the use I was talking about, I guess, but not always relevant.
gollark: 10.4.5 404 Not Found The server has not found anything matching the Request-URI. No indication is given of whether the condition is temporary or permanent. The 410 (Gone) status code SHOULD be used if the server knows, through some internally configurable mechanism, that an old resource is permanently unavailable and has no forwarding address. This status code is commonly used when the server does not wish to reveal exactly why the request has been refused, or when no other response is applicable.
gollark: I can't ctrl+F that in RFC 2616.
gollark: It's one of those necessary-evil things if you have some security reason. Otherwise no.

References
  1. Vidthayanon, C. (2012). "Monotrete suvattii". IUCN Red List of Threatened Species. 2012: e.T187933A1836631. doi:10.2305/IUCN.UK.2012-1.RLTS.T187933A1836631.en.
  2. Kottelat, M. (2013): The Fishes of the Inland Waters of Southeast Asia: A Catalogue and Core Bibliography of the Fishes Known to Occur in Freshwaters, Mangroves and Estuaries. The Raffles Bulletin of Zoology, 2013, Supplement No. 27: 1–663.
  3. Froese, Rainer and Pauly, Daniel, eds. (2013). "Tetraodon suvattii" in FishBase. March 2013 version.
  4. "ปลาปักเป้ามรณะ น้ำจืดมี 4 สายพันธุ์". Thairath (in Thai). 2016-08-09.
  5. The Puffer Forum • The Puffer Library » The Arrowhead Puffer: Maliciously Miraculous
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