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Chithunzi chojambula cha Hardhead catfish
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Hardhead catfish

Ariopsis felis
Za dzinali: Its common name comes from a hard, bony plate on its head, which runs from between the eyes back towards the dorsal fin.1
ImangopwetekaUsakhudzeImapweteka, koma sidzakuvulaza kwambiri.
Nsomba zaululu Minga yaululuImadya: Pang'ono pa chilichonse
Ngozi kwa anthu: YopwetekaIngathe kupweteka kwambiri, koma pafupifupi nthawi zonse si vuto lalikulu.

The hardhead catfish is a sea catfish that lives in shallow coastal waters of the northwest Atlantic and the Gulf of Mexico. It has sharp spines on its fins that can be venomous, so it is one to admire from a distance. Male hardhead catfish also carry their eggs in their mouths until they hatch.1

Imakhala ku
Northwest Atlantic and Gulf of Mexico, from the southeast coast of the United States around the Florida Keys to the Gulf coast1
Nyanja ya Atlantic, Gulf ya Mexico, Nyanja ya Caribbean
Kunyumba
It is found mostly in near-shore ocean waters, and also in brackish estuaries and river mouths with sandy or muddy bottoms. It only occasionally enters fresh water. In winter it moves from shallower to deeper water.1
Kutalika
25 cm mpaka 70 cm (9,8 in mpaka 2,3 ft)1
Kulemera
5,5 kg (12 lb)1
Liwiro lapamwamba
pafupifupi 6 km/h (3,7 mph)
Kusambira, kuyerekeza chabe
Imadya chiyani?
It eats a wide range of food, including algae, seagrasses, crabs, shrimp, sea cucumbers, worms and small fish. It hunts on mud and sand flats, using its barbels to find prey in murky water. Younger fish eat small crustaceans, while adults mainly eat larger fish.1
Zoona!Chithunzi cha Hardhead catfish
Hardhead catfish. Chithunzi: Edgar R. Waite. Public domain, Wikimedia Commons.

Mmene ungaizindikirire

  • Often dirty grey on top with white underneath.1
  • Four barbels (whisker-like feelers) under the chin and two more at the corners of the mouth.1
  • A hard, bony plate between the eyes and the dorsal fin.1
  • Sharp, barbed, slime-covered spines on the dorsal and pectoral fins. The dorsal spine stands upright when the fish is excited.1
  • Typically 25 to 30 cm long, and elongated in shape.1

Nthawi zambiri imasokonezedwa ndi: The gafftopsail catfish looks very similar. The difference is that its dorsal and pectoral spines have a fleshy extension, like the fore-and-aft topsail of a ship.1

Mphamvu ya ululu

Minga yaululu

Minga yakuthwa imanyamula ululu. Kuiponda kapena kuigwira kumapweteka.

Ndi yoopsa bwanji kwa anthu?

Ngozi kwa anthu: YopwetekaIngathe kupweteka kwambiri, koma pafupifupi nthawi zonse si vuto lalikulu.

No bite or death figures are given. Anglers generally avoid catching it because of the risk from handling the fish and its spines, and because its flesh tastes fishy compared with popular game fish.1

Imachita chiyani ikachita mantha?

When it feels threatened or excited, its dorsal spine stands upright, and its sharp, slime-covered spines are its main defence.1

Minga yake ikakubaya

  • Ika bala m'madzi otentha, otentha monga momwe munthuyo angapirire osapsa (yesa ndi dzanja lako), kwa mphindi 30 mpaka 90. Peza thandizo la dokotala, makamaka pa stonefish ndi stingray.

Nthawi zonse yamba wayimbira nambala yadzidzidzi (112, 000, 911). Awa ndi malangizo wamba a chithandizo choyamba, osati malangizo a dokotala. Zoyambira za chithandizo choyamba

Khala wotetezeka

  • Usakhudze, kugwira kapena kuseweretsa nyama yakuthengo, ngakhale yaing'ono, ndipo ngakhale ikuoneka ngati yagona kapena yafa.
  • Ipatse malo. Ukakumana nayo, khala chete, bwerera m'mbuyo pang'onopang'ono ndipo uilole ipite njira yake.
  • Minga yake ikakubaya: khala chete, usasunthe, imbira nambala yadzidzidzi (112, 000, 911) kapena pita kuchipatala mwachangu. Kumbukira m'mene inkaonekera, chithunzi chimathandiza.

Sikufuna kukuvulaza. Imagwiritsa ntchito ululu wake kugwira chakudya kapena kudziteteza, ndipo imakonda kwambiri kubisala. Zambiri za kukhala wotetezeka

Kuti padziko lapansi?

AfricaAsiaUlayaAmereka ya KumpotoAmereka ya KumweraAustralia ndi OceaniaNyanja ya AtlanticNyanja ya CaribbeanGulf ya Mexico

Ndi yaikulu bwanji?

Ndi yaitali bwanji?

Hardhead catfish yaitali pafupifupi 70 cm (2,3 ft)Mphaka wapakhomo pafupifupi 50 cm (1,6 ft)Galu pafupifupi 1 m (3,3 ft)

Ndi yolemera bwanji?

yolemera ngati amphaka apakhomo 1,5
yaitali ngati nthochi 4 zoyalidwa motsatizanayolemera pafupifupi ngati mphaka wapakhomoingasambire kutalika kwa dziwe lalikulu losambira (50 m) m'masekondi 30

Hardhead catfish ndi yaikulu bwanji poyerekeza ndi IWE?

Ndi masamu chabe mu msakatuli wako. Palibe chomwe chimasungidwa kapena kutumizidwa kwina.

Imathamanga bwanji?

zoyenera kudziwa

Mfundo

1

Male hardhead catfish are paternal mouthbrooders: they keep the eggs and young in their mouths, and do not feed while doing so.1

2

Some researchers suggest they may use low-frequency sounds to detect and avoid close obstacles, which is an unusual ability for a fish.1

3

They can make sounds by vibrating thin bones near the swim bladder, and by grinding their throat teeth or rubbing their pectoral spines. These sounds appear to be a fright response.1

4

Hardhead catfish respond to chemical alarm signals released by injured members of their own species, with their activity increasing right after the signal. They are the first marine catfish found to show this type of alarm reaction.1

5

They can live for over 24 years.1

Za akatswiri a ululu

Dzina la sayansi
Ariopsis felis
Gulu
Nsomba zaululu
Banja
Ariidae2
Dongosolo
Siluriformes
Makontinenti
Nyanja ya Atlantic, Gulf ya Mexico, Nyanja ya Caribbean, Nyanja zikuluzikulu
Ana akhanda
The male carries the eggs in his mouth until they hatch, which takes roughly 8 to 11 weeks in total. Females have 20 to 65 eggs per spawning.1
Kutalika kwa moyo
pafupifupi zaka 241
Ngozi kwa anthu
2 / 5: Yopweteka3

Kumene mfundo zimachokera

  1. Hardhead catfish (Wikipedia (CC BY-SA 4.0))
  2. Ariopsis felis (iNaturalist): mayina ndi magulu a sayansi.
  3. Venom Wiki: mlingo wa ngozi, kukula wamba ndi kuyerekeza kwa liwiro ndi zathu. Ona mmene timazipezera: Mmene timayezera ngozi.

Mfundo iliyonse patsamba lino ili ndi nambala yosonyeza kochokera. Ngati talakwitsa, pepani, ndife okonda nyama, osati magazini a sayansi. Tiuze pa [email protected] ndipo tikonza.

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