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Ikhathuni ka-Hardhead catfish
Inombolo 1230 kwezingu-1 402

Hardhead catfish

Ariopsis felis
Mayelana negama: Its common name comes from a hard, bony plate on its head, which runs from between the eyes back towards the dorsal fin.1
Kubuhlungu njeUngathintiKubuhlungu, kodwa ngeke kukulimaze kakhulu.
Izinhlanzi ezinobuthi Ameva anobuthiSidla: Kancane kwakho konke
Ingozi ebantwini: KubuhlunguKungaba buhlungu ngempela, kodwa cishe akukaze kube kubi kakhulu.

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

Ihlala
Northwest Atlantic and Gulf of Mexico, from the southeast coast of the United States around the Florida Keys to the Gulf coast1
ULwandlekazi i-Atlantic, Ichweba laseMexico, Ulwandle iCaribbean
Ekhaya
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
Ubude
25 cm kuya ku-70 cm (9.8 in kuya ku-2.3 ft)1
Isisindo
5.5 kg (12 lb)1
Ijubane eliphezulu
cishe 6 km/h (3.7 mph)
Ukubhukuda, isiqagela nje
Sidlani?
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
Ngempela!Isithombe sika-Hardhead catfish
Hardhead catfish. Isithombe: Edgar R. Waite. Public domain, Wikimedia Commons.

Indlela yokusibona

  • 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

Ivamise ukudidaniswa ne: 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

Amandla obuthi

Ameva anobuthi

Ameva abukhali aphethe ubuthi. Ukusinyathela noma ukusibamba kubuhlungu.

Siyingozi kangakanani ebantwini?

Ingozi ebantwini: KubuhlunguKungaba buhlungu ngempela, kodwa cishe akukaze kube kubi kakhulu.

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

Senzani uma sesabile?

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

Uma ameva aso ekugwaza

  • Faka inxeba emanzini ashisayo, ashisa ngendlela umuntu angakwazi ukuyibekezelela ngaphandle kokusha (yihlole ngesandla sakho), imizuzu engama-30 kuya kwengama-90. Thola usizo lwezokwelapha, ikakhulukazi kuma-stonefish nama-stingray.

Njalo shayela kuqala inombolo yezimo eziphuthumayo (112, 000, 911). Lokhu kuyiseluleko sosizo lokuqala esijwayelekile, akusona iseluleko sezokwelapha. Izisekelo zosizo lokuqala

Hlala uphephile

  • Ungalokothi uthinte, ubambe noma ugcone isilwane sasendle, ngisho noma sincane, futhi ngisho noma sibukeka silele noma sifile.
  • Sinike isikhala. Uma uhlangana naso, hlala uzolile, uhlehle kancane bese usiyeka sihambe ngendlela yaso.
  • Uma ameva aso ekugwaza: hlala uzolile, ungashukumi, shayela inombolo yezimo eziphuthumayo (112, 000, 911) noma uye esibhedlela ngokushesha. Khumbula ukuthi besibukeka kanjani, isithombe siyasiza.

Asikuzingeli wena. Sisebenzisa ubuthi baso ukuze sibambe ukudla noma ukuzivikela, futhi singancamela ukucasha. Okwengeziwe mayelana nokuhlala uphephile

Kuphi emhlabeni?

I-AfrikaI-AsiaI-YurophuINyakatho MelikaINingizimu MelikaI-Australia ne-OceaniaULwandlekazi i-AtlanticUlwandle iCaribbeanIchweba laseMexico

Sikhulu kangakanani?

Side kangakanani?

Hardhead catfish ubude obucishe bube ngu-70 cm (2.3 ft)Ikati lasekhaya cishe 50 cm (1.6 ft)Inja cishe 1 m (3.3 ft)

Sisinda kangakanani?

sisinda njengamakati asekhaya angu-1.5
side njengobhanana abangu-4 abalandelanayosisinda cishe njengekati lasekhayasingabhukuda ubude bechibi elikhulu lokubhukuda (50 m) ngemizuzwana engu-30

Hardhead catfish mkhulu kangakanani uma uqhathanisa NAWE?

Yizibalo nje kusiphequluli sakho. Akukho okulondolozwayo noma okuthunyelwa ndawo.

Sishesha kangakanani?

kuhle ukwazi

Amaqiniso

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

Okongoti bobuthi

Igama lesayensi
Ariopsis felis
Iqembu
Izinhlanzi ezinobuthi
Umndeni
Ariidae2
Ukuhleleka
Siluriformes
Amazwekazi
ULwandlekazi i-Atlantic, Ichweba laseMexico, Ulwandle iCaribbean, Izilwandlekazi
Izinsana
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
Isikhathi sokuphila
cishe iminyaka engu-241
Ingozi ebantwini
2 / 5: Kubuhlungu3

Lapho amaqiniso evela khona

  1. Hardhead catfish (Wikipedia (CC BY-SA 4.0))
  2. Ariopsis felis (iNaturalist): amagama nokuhlelwa ngezigaba.
  3. Venom Wiki: izinga lengozi, usayizi ojwayelekile nesiqagela sejubane kungokwethu. Bona ukuthi sikubala kanjani: Indlela esilinganisa ngayo ingozi.

Iqiniso ngalinye kuleli khasi linenombolo ekhomba umthombo walo. Uma senze iphutha, uxolo, singabathandi bezilwane, hhayi iphephabhuku lesayensi. Sitshele ku-[email protected] futhi sizolilungisa.

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