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Hardhead catfish

Ariopsis felis

Kuhusu jina: Its common name comes from a hard, bony plate on its head, which runs from between the eyes back towards the dorsal fin.1

Inauma tuUsiguseInauma, lakini haitakudhuru vibaya.

Samaki wenye sumu

Miiba yenye sumuHula: Kidogo cha kila kitu

Hatari kwa watu: InaumaInaweza kuuma sana, lakini karibu kamwe si jambo zito.

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

Anaishi

Northwest Atlantic and Gulf of Mexico, from the southeast coast of the United States around the Florida Keys to the Gulf coast1

Bahari ya Atlantiki, Ghuba ya Meksiko, Bahari ya Karibi

Nyumbani

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

Urefu

25 cm hadi 70 cm (9.8 in hadi 2.3 ft)1

Uzito

5.5 kg (12 lb)1

Kasi ya juu

takriban km 6 kwa saa (maili 3.7 kwa saa)

Kuogelea, makadirio

Hula nini?

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

Picha ya Hardhead catfish — Hardhead catfish. Picha: Edgar R. Waite. Public domain, Wikimedia Commons.

Jinsi ya kumtambua

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

Mara nyingi huchanganywa na: 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

Nguvu ya sumu

Miiba yenye sumu

Miiba mikali hubeba sumu. Kumkanyaga au kumshika kunauma.

Ana hatari gani kwa watu?

Hatari kwa watu: InaumaInaweza kuuma sana, lakini karibu kamwe si jambo zito.

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

Hufanya nini akiogopa?

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

Miiba yake ikikuchoma

Weka jeraha kwenye maji ya moto, moto kiasi ambacho mtu anaweza kuvumilia bila kuungua (pima kwanza kwa mkono wako), kwa dakika 30 hadi 90. Tafuta msaada wa kitabibu, hasa kwa samaki-jiwe na taa.

Daima piga namba ya dharura kwanza (112, 000, 911). Huu ni mwongozo wa jumla wa huduma ya kwanza, si ushauri wa kitabibu. Misingi ya huduma ya kwanza

Kaa salama

Kamwe usimguse, kumkamata wala kumchokoza mnyama wa porini, hata akiwa mdogo, na hata akionekana amelala au amekufa.
Mpe nafasi. Ukikutana naye, tulia, rudi nyuma polepole na umwache aende zake.
Miiba yake ikikuchoma: tulia, usitikisike, piga namba yako ya dharura (112, 000, 911) au nenda hospitali haraka. Kumbuka alivyoonekana, picha husaidia.

Hakuwindi wewe. Hutumia sumu yake kukamata chakula au kujilinda, na hupendelea zaidi kujificha. Zaidi kuhusu kukaa salama

Wapi duniani?

Afrika Asia Ulaya Amerika Kaskazini Amerika Kusini Australia na Oceania Bahari ya Atlantiki Bahari ya Karibi Ghuba ya Meksiko

Ana ukubwa gani?

Ana urefu gani?

Ana uzito gani?

uzito sawa na paka wa nyumbani 1.5

urefu sawa na ndizi 4 zilizopangwa mstarikaribu uzito sawa na paka wa nyumbaniangeweza kuogelea urefu wa bwawa kubwa (m 50) kwa sekunde 30

Hardhead catfish ana ukubwa gani ukilinganisha na WEWE?

Ni hesabu tu kwenye kivinjari chako. Hakuna kinachohifadhiwa wala kutumwa popote.

Ana kasi gani?

Mtu anayeogelea takriban km 3 kwa saa (1.9 mph)

Hardhead catfish takriban km 6 kwa saa (3.7 mph)

Mwogeleaji wa Olimpiki takriban km 8 kwa saa (5 mph)

inafaa kujua

Ukweli

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

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

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

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

They can live for over 24 years.1

Kwa wataalamu wa sumu

Jina la kisayansi: Ariopsis felis
Kundi: Samaki wenye sumu
Familia: Ariidae2
Mpangilio: Siluriformes
Mabara: Bahari ya Atlantiki, Ghuba ya Meksiko, Bahari ya Karibi, Bahari kuu
Watoto: 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
Muda wa maisha: takriban miaka 241
Hatari kwa watu: 2 / 5: Inauma3

Ukweli unatoka wapi

Hardhead catfish (Wikipedia (CC BY-SA 4.0))
Ariopsis felis (iNaturalist): majina na uainishaji.
Venom Wiki: kiwango cha hatari, ukubwa wa kawaida na makadirio ya kasi ni yetu wenyewe. Ona jinsi tunavyovipata: Jinsi tunavyopima hatari.

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