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Stonecat

Noturus flavus

Gbasara aha ya: The common name comes from its habit of hiding near or under stones. Its genus name Noturus means "back tail" and its species name flavus means "yellow".1

Naanị na-afụ ụfụEmetụla ya akaỌ na-afụ ụfụ, mana ọ gaghị emerụ gị ahụ nke ukwuu.

Azụ na-agba nsị

Mkpu na-agba nsịNri ya: Ntakịrị ihe niile

Ihe ize ndụ nye mmadụ: Na-afụ ụfụỌ nwere ike ịfụ ụfụ nke ukwuu, mana ọ naghị adịkarị njọ.

The stonecat is a small freshwater catfish from North America. It hides near or under stones in fast-moving water. It is special because it has venom glands at the base of its pectoral spines, which can cause extreme pain.1

Ebe obibi

North America: Great Lakes, St Lawrence and Mississippi basins, from Quebec to Alberta and south to Alabama1

Ugwu Amerika

Ụlọ

Stonecats live in large creeks to small rivers, usually in gently to fast-moving riffles with rocky bottoms. They also live in natural lakes such as Lake Erie, on rock and gravel bars that get strong wave action.1

Ogologo

10 cm ruo 30 cm (3.9 in ruo 1 ft)1

Arọ

100 g ruo 499 g (4 oz ruo 1.1 lb)1

Ọsọ kacha elu

ihe dị ka 4.8 km/h (3 mph)

Igwu mmiri, nchepụta

Gịnị ka ọ na-eri?

Stonecats are opportunistic bottom feeders. At night they use their sensitive barbels to search the river bed for aquatic insect larvae, mayflies, snails and other molluscs, minnows, fish eggs, crayfish, worms and plant material.1

Foto Stonecat — Stonecat. Foto: unknown. CC0, iNaturalist.

Otú ị ga-esi mata ya

Small, slender, flat-headed catfish with a thick, yellowish-brown skin1
The sides of the head shade to yellow, and the belly is whitish1
A white spot at the rear of the dorsal fin base and another on the upper edge of the tail fin1
Either two light bars or a patch on the nape, depending on the population1

Ike nsị

Mkpu na-agba nsị

Mkpu dị nkọ na-ebu nsị ahụ. Ịzọ ya ụkwụ ma ọ bụ ijide ya na-afụ ụfụ.

Gịnị ka nsị ọ na-agba na-eme?

Stonecats have venom glands, mainly at the bases of the pectoral spines. Their venom causes extreme pain, similar to that of a wasp sting. Other members of this catfish family cause irritating wounds from their spines, but the stonecat's venom is stronger.1

Kedu otú o si dị egwu nye mmadụ?

Ihe ize ndụ nye mmadụ: Na-afụ ụfụỌ nwere ike ịfụ ụfụ nke ukwuu, mana ọ naghị adịkarị njọ.

The spines can deliver venom that causes extreme pain, similar to a wasp sting. Keep clear of its spines.1

Gịnị ka ọ na-eme mgbe ụjọ tụrụ ya?

Stonecats hide near or under stones, and their venom glands sit at the bases of their pectoral spines.1

Ọ bụrụ na mkpu ya dụrụ gị

Tinye ọnya ahụ n'ime mmiri ọkụ, nke ọkụ dị ka onye ahụ nwere ike ịnagide n'ere ya ọkụ (jiri aka gị nwalee ya), ruo nkeji 30 ruo 90. Chọọ enyemaka ọgwụ, karịsịa maka azụ nkume (stonefish) na stingray.

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 mkpu ya dụrụ gị: dị jụụ, emegharịla ahụ, kpọọ nọmba mberede gị (112, 000, 911) ma ọ bụ gaa ụlọ ọgwụ ngwa ngwa. Cheta ka o si dị, foto na-enye aka.

Ọ naghị achụ gị. Ọ na-eji nsị ya ejide nri ma ọ bụ chebe onwe ya, ọ ga-akakwa mma n'anya ya ịzo onwe ya. Ihe ndị ọzọ gbasara ịnọ na nchekwa

Ebee n'ụwa?

Afrịka Eshia Yurop Ugwu Amerika Ndịda Amerika Ọstrelia na Oshenia

Ọ hà aṅaa?

Kedu otú o si dị ogologo?

Kedu otú o si dị arọ?

dị arọ dị ka unere 4

dị ogologo dị ka blọk egwuregwu 10 n'ahịrịnwere ike igwu mmiri ogologo nnukwu ọdọ igwu mmiri (50 m) n'ime sekọnd 38

Kedu otú Stonecat 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)

Stonecat ihe dị ka 4.8 km/h (3 mph)

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

ọ dị mma ịmara

Eziokwu

A stonecat's pectoral spines carry venom glands, which makes them far more painful than the spines of most related catfish.1

Its eggs are amber-yellow and very large for a fish, measuring between 3.5 and 4 mm across.1

Stonecats are used as indicators of water quality, because they are absent from highly polluted or heavily silted areas.1

Stonecats form monogamous pairs for breeding, and they spawn when water temperatures reach 25 °C.1

The upper jaw of the stonecat projects beyond the lower jaw.1

Maka ndị ọkachamara nsị

Aha sayensị: Noturus flavus
Otu: Azụ na-agba nsị
Ezinụlọ: Ictaluridae2
Usoro: Siluriformes
Kọntinent dị iche iche: Ugwu Amerika
Ụmụ ọhụrụ: Males guard the clutch of eggs under large, flat rocks, and a female may produce between 200 and 1,200 eggs per year.1
Ogologo ndụ: ihe dị ka afọ 61
Otú ọ na-eme n'ọhịa: Not threatened, according to the US Endangered Species Act1
Ihe ize ndụ nye mmadụ: 2 / 5: Na-afụ ụfụ3

Ebe eziokwu ndị a si

Noturus flavus (Wikipedia (CC BY-SA 4.0))
Noturus flavus (iNaturalist): aha na nhazi ọkwa.
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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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