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Valentin's sharpnose puffer

Canthigaster valentini

Gbasara aha ya: It is named in honour of Dutch naturalist François Valentijn (1666–1727).1

Ọ chọrọ dọkịtaỌ naghị egbukarị egbu, mana ọ bụrụ na mmadụ rie ya, gaa n'ebe dọkịta.

Anụmanụ ndị ọzọ nwere nsị n'ahụ

Nwere nsị ma e rie yaNri ya: Ntakịrị ihe niileNwere nsị n'ahụ, ọ naghị agba nsị

Ihe ize ndụ nye mmadụ: Ọ dị njọỌ bụrụ na mmadụ rie ya, gaa n'ebe dọkịta. Ọnwụ anaghị adịkarị ma ọlị.

Valentin's sharpnose puffer is a small reef fish with four black stripes across its back. It lives in warm seas across the Indian Ocean, the Red Sea and parts of the Pacific. It is special because its skin holds one of the most potent natural poisons known, which keeps most predators away.1

Nwere nsị n'ahụ ka ọ na-agba nsị? Anụmanụ na-agba nsị na-agbanye nsị site n'ịta ma ọ bụ ịgba. Anụmanụ nwere nsị n'ahụ na-emerụ ahụ ma e metụ ha aka ma ọ bụ rie ha. Nke a nwere nsị n'ahụ.

Ebe obibi

Tropical and subtropical waters of the Indian Ocean, including the Red Sea, and east to the oceanic islands of the Pacific Ocean.1

Oké Osimiri Pasifik, Oké Osimiri India, Osimiri Uhie, Osimiri Coral, Osimiri Filipin, Osimiri Ndịda China, Osimiri Timor na Arafura

Ụlọ

It lives on rocky and coral reefs, in lagoons and on the outer reef, down to 55 m. It is active during the day.1

Ogologo

11 cm (4.3 in)1

Ọsọ kacha elu

ihe dị ka 4 km/h (2.5 mph)

Igwu mmiri, nchepụta

Gịnị ka ọ na-eri?

It feeds mainly on filamentous green and red algae and on tunicates. It also eats smaller amounts of corals, bryozoans, polychaetes, echinoderms, molluscs and brown and coralline red algae.1

Foto Valentin's sharpnose puffer — Valentin's sharpnose puffer. Foto: Karelj. Public domain, Wikimedia Commons.

Otú ị ga-esi mata ya

Four distinct black stripes, called saddles, run across its back.1
The head is blue-grey.1
The main body is white, speckled with blue-grey spots.1
The tail and fins show hints of yellow, and a rainbow streak sits behind the eyes.1

A na-agwakọkarị ya na: The filefish Paraluteres prionurus has similar colours and sometimes swims in schools with this puffer. It mimics the puffer's appearance for protection, but it is not toxic.1

Ike nsị

Nwere nsị ma e rie ya

Ọ na-emerụ ahụ naanị ma ihe riri ya.

Gịnị ka nsị dị n'ahụ ya na-eme?

Its skin and other tissues contain tetrodotoxin, a neurotoxin, which attacks the nerves. It is one of the most potent naturally occurring toxins and is lethal to many species of fish. This makes the fish unpalatable to predators.1

Kedu otú o si dị egwu nye mmadụ?

Ihe ize ndụ nye mmadụ: Ọ dị njọỌ bụrụ na mmadụ rie ya, gaa n'ebe dọkịta. Ọnwụ anaghị adịkarị ma ọlị.

It is highly poisonous to eat.1

Gịnị ka ọ na-eme mgbe ụjọ tụrụ ya?

It gulps water to puff its body up to three or four times its normal volume, and its toxic skin deters predators.1

Ọ bụrụ na mmadụ metụrụ ya aka ma ọ bụ rie ya

Ọ bụrụ na mmadụ riri ya ma ọ bụ nwee mgbaàmà mgbe o risịrị ya: kpọọ nọmba mberede gị ma ọ bụ ụlọ ọrụ ndụmọdụ nsị (poison centre) ozugbo.

Na-ebu ụzọ kpọọ nọmba mberede gị mgbe niile (112, 000, 911). Nke a bụ ndụmọdụ enyemaka mbụ n'ozuzu, ọ bụghị ndụmọdụ ọgwụ. Isi ihe enyemaka mbụ

Nọrọ na nchekwa

Emetụla anụ ọhịa aka, ejidela ya, emekwala ya ihe ọjọọ, ọbụna obere, ọbụna ma ọ dị ka ọ na-ehi ụra ma ọ bụ nwụọ anwụ.
Nye ya ohere. Ọ bụrụ na ị zutere otu, dị jụụ, laghachi azụ nwayọ, hapụ ya ka ọ gaa ụzọ ya.
Ọ bụrụ na i metụrụ ya aka ma ọ bụ rie ya: ehichala anya gị ma ọ bụ ọnụ gị, saa aka gị, chọọkwa enyemaka ọgwụ.

Ọ naghị achụ gị. Nsị ya dị naanị ka ihe ọ bụla ghara iri ya. Ihe ndị ọzọ gbasara ịnọ na nchekwa

Ebee n'ụwa?

Afrịka Eshia Yurop Ugwu Amerika Ndịda Amerika Ọstrelia na Oshenia Oké Osimiri Pasifik Oké Osimiri India Osimiri Uhie Osimiri Coral Osimiri Ndịda China Osimiri Filipin Osimiri Timor na Arafura

Ọ hà aṅaa?

Kedu otú o si dị ogologo?

dị ogologo dị ka blọk egwuregwu 3 n'ahịrịnwere ike igwu mmiri ogologo nnukwu ọdọ igwu mmiri (50 m) n'ime sekọnd 45

Kedu otú Valentin's sharpnose puffer si hà ma e jiri ya tụnyere GỊ?

Naanị mgbakọ na mwepụ n'ime browser gị. Ọ dịghị ihe echekwara ma ọ bụ ezigara ebe ọ bụla.

Kedu otú o si agba ọsọ?

Mmadụ na-egwu mmiri ihe dị ka 3 km/h (1.9 mph)

Valentin's sharpnose puffer ihe dị ka 4 km/h (2.5 mph)

Onye igwu mmiri Olympic ihe dị ka 8 km/h (5 mph)

ọ dị mma ịmara

Eziokwu

Its tetrodotoxin is one of the most potent naturally occurring toxins, and it is lethal to many fish.1

A non-toxic filefish, Paraluteres prionurus, has evolved to look like this puffer, which helps it avoid predators.1

Its eggs are unpalatable, so predatory fish rarely eat them, and any swallowed eggs are quickly passed out again. This means the parents need not guard them.1

Juveniles of the grouper Plectropomus laevis also mimic its colours.1

Its eggs, at 0.68 to 0.72 mm across, are among the smallest in the puffer family Tetraodontidae.1

Onye na-ekpughe akụkọ ụgha

Akụkọ ụgha: Pufferfish hold their breath while they puff up.

Eziokwu: A 2014 study found that oxygen consumption actually increases while the fish is inflated. Oxygen intake through the gills is almost five times higher than normal.1

Maka ndị ọkachamara nsị

Aha sayensị: Canthigaster valentini
Otu: Anụmanụ ndị ọzọ nwere nsị n'ahụ
Ezinụlọ: Tetraodontidae2
Usoro: Tetraodontiformes
Kọntinent dị iche iche: Oké Osimiri Pasifik, Oké Osimiri India, Osimiri Uhie, Osimiri Coral, Osimiri Filipin, Osimiri Ndịda China, Osimiri Timor na Arafura, Oké osimiri niile
Ụmụ ọhụrụ: Females lay anywhere between fifteen and over 800 eggs at a time, every four to ten days depending on the season.1
Ihe ize ndụ nye mmadụ: 3 / 5: Ọ dị njọ3

Ebe eziokwu ndị a si

Valentin's sharpnose puffer (Wikipedia (CC BY-SA 4.0))
Canthigaster valentini (iNaturalist): aha na nhazi ọkwa.
Venom Wiki: ọkwa ihe ize ndụ, nha nkịtị na nchepụta ọsọ bụ nke anyị. Lee otú anyị si achọpụta ha: Otú anyị si atụ ihe ize ndụ.

Eziokwu ọ bụla dị na peeji a nwere nọmba na-egosi ebe o si. Ọ bụrụ na anyị mehiere ihe, ndo, anyị bụ ndị hụrụ anụmanụ n'anya, ọ bụghị akwụkwọ akụkọ sayensị. Gwa anyị na [email protected], anyị ga-edozi ya.

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