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Ikhathuni ka-Hardhead catfish
Inombolo 1230 kwezi-1 402

Hardhead catfish

Ariopsis felis
Malunga 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 njeMusa ukuchukumisaKubuhlungu, kodwa akusayi kukwenzakalisa kakhulu.
Iintlanzi ezinetyhefu Amava anetyhefuSitya: Kancinci kwento nganye
Ingozi ebantwini: KubuhlunguKunokuba buhlungu ngokwenene, kodwa phantse akusoze 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

Sihlala
Northwest Atlantic and Gulf of Mexico, from the southeast coast of the United States around the Florida Keys to the Gulf coast1
uLwandlekazi lweAtlantiki, iGulf yaseMexico, uLwandle lweKharibhiya
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 ukuya ku-70 cm (9,8 in ukuya ku-2,3 ft)1
Ubunzima
5,5 kg (12 lb)1
Esona santya siphezulu
malunga ne-6 km/h (3,7 mph)
Ukuqubha, uqikelelo nje
Sitya ntoni?
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
Ngokwenene!Ifoto ka-Hardhead catfish
Hardhead catfish. Ifoto: Edgar R. Waite. Public domain, Wikimedia Commons.

Indlela yokusiqaphela

  • 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

Sidla ngokubhidaniswa no: 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 etyhefu yokuluma nokuhlaba

Amava anetyhefu

Amava abukhali aphethe ityhefu. Ukusinyathela okanye ukusibamba kubuhlungu.

Siyingozi kangakanani ebantwini?

Ingozi ebantwini: KubuhlunguKunokuba buhlungu ngokwenene, kodwa phantse akusoze 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

Senza ntoni xa soyika?

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

Ukuba amava aso ayakugwaza

  • Faka inxeba emanzini ashushu, ashushu kangangoko umntu angakwazi ukunyamezela ngaphandle kokutshiswa (wavavanye ngesandla sakho), imizuzu engama-30 ukuya kwengama-90. Fumana uncedo lwezonyango, ingakumbi kwii-stonefish nakwii-stingray.

Soloko utsalela inombolo kaxakeka kuqala (112, 000, 911). Esi sisikhokelo soncedo lokuqala ngokubanzi, asilocebiso lwezonyango. Iziseko zoncedo lokuqala

Hlala ukhuselekile

  • Ungaze uchukumise, ubambe okanye uqhule isilwanyana sasendle, nokuba sincinci, kwaye nokuba sibonakala silele okanye sifile.
  • Sinike indawo. Ukuba udibana naso, hlala uzolile, buyela umva kancinci kwaye usiyeke sihambe ngendlela yaso.
  • Ukuba amava aso ayakugwaza: hlala uzolile, musa ukushukuma, tsalela inombolo kaxakeka (112, 000, 911) okanye uye esibhedlele ngokukhawuleza. Khumbula ukuba sasikhangeleka njani, ifoto iyanceda.

Asikuzingeli. Sisebenzisa ityhefu yaso ukubamba ukutya okanye ukuzikhusela, kwaye singakhetha ukuzimela. Okungakumbi malunga nokuhlala ukhuselekile

Phi emhlabeni?

IAfrikaIAsiyaIYurophuuMntla MelikauMzantsi MelikaIOstreliya neOceaniauLwandlekazi lweAtlantikiuLwandle lweKharibhiyaiGulf yaseMexico

Sikhulu kangakanani?

Side kangakanani?

Hardhead catfish malunga ne-70 cm ubude (2,3 ft)Ikati yasekhaya malunga ne-50 cm (1,6 ft)Inja malunga ne-1 m (3,3 ft)

Sinzima kangakanani?

ubunzima obulingana neekati zasekhaya eziyi-1,5
ubude obulingana neebhanana eziyi-4 zilandelelanamalunga nobunzima bekati yasekhayasingaqubha ubude bechibi elikhulu lokuqubha (50 m) ngemizuzwana eyi-30

U-Hardhead catfish mkhulu kangakanani xa uthelekisa NAWE?

Zizibalo nje kwibhrawuza yakho. Akukho nto igcinwayo okanye ithunyelwa naphi na.

Sikhawuleza kangakanani?

kufanelekile ukwazi

Iinyaniso

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

Kwiingcali zetyhefu

Igama lenzululwazi
Ariopsis felis
Iqela
Iintlanzi ezinetyhefu
Usapho
Ariidae2
Ucwangco
Siluriformes
Amazwekazi
uLwandlekazi lweAtlantiki, iGulf yaseMexico, uLwandle lweKharibhiya, Iilwandlekazi
Iintsana
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
Ixesha lobomi
malunga neminyaka eyi-241
Ingozi ebantwini
2 / 5: Kubuhlungu3

Apho iinyaniso zivela khona

  1. Hardhead catfish (Wikipedia (CC BY-SA 4.0))
  2. Ariopsis felis (iNaturalist): amagama nokuhlelwa.
  3. Venom Wiki: inqanaba lengozi, ubungakanani obuqhelekileyo noqikelelo lwesantya zezethu. Bona indlela esizifumana ngayo: Indlela esilinganisa ngayo ingozi.

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