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Hardhead catfish

Ariopsis felis
Davart il num: Its common name comes from a hard, bony plate on its head, which runs from between the eyes back towards the dorsal fin.1
Fa mo malBetg tutgarQuai fa mal, ma i na ta fa nagin donn serius.
Peschs tissientads Spinas tissientadasMangia: In pau da tut
Privel per umans: DolurusQuai po far propi mal, ma i n'è bunamain mai grav.

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

Viva en
Northwest Atlantic and Gulf of Mexico, from the southeast coast of the United States around the Florida Keys to the Gulf coast1
Ocean Atlantic, Golf dal Mexico, Mar Caribic
Pagina iniziala
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
Lunghezza
25 cm fin 70 cm (9,8 in fin 2,3 ft)1
Paisa
5,5 kg (12 lb)1
Sveltezza maximala
circa 6 km/h (3,7 mph)
Nudar, stima approximativa
Tge mangia el?
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
Propi!Foto da Hardhead catfish
Hardhead catfish. Foto: Edgar R. Waite. Public domain, Wikimedia Commons.

Co renconuscher el

  • 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

Savens confundì cun: 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

Forza dal tissi

Spinas tissientadas

Spinas pizzadas portan il tissi. Sch'ins passa sin el u al piglia, fa quai mal.

Quant privlus è el per umans?

Privel per umans: DolurusQuai po far propi mal, ma i n'è bunamain mai grav.

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

Tge fa el, cura ch'el ha tema?

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

Sche sias spinas ta furan

  • Metta la plaja en aua chauda, uschè chauda sco che la persuna po supportar senza sa brischar (emprova cun tes agen maun), durant 30 fin 90 minutas. Tschertga agid medicinal, surtut tar peschs crap e rajas.

Clama adina l'emprim tes numer d'urgenza (112, 000, 911). Quai è in cussegl general d'emprim agid, betg in cussegl medicinal. Basa da l'emprim agid

Resta en segirezza

  • Na tutga, na piglia e na tizza mai in animal selvadi, gnanc in pitschen, ed era sch'el para da durmir u d'esser mort.
  • Dà spazi a l'animal. Sche ti scuntras in, resta calm, va plaun enavos e lascha ir el per sia via.
  • Sche sias spinas ta furan: resta calm, na ta mova betg, clama tes numer d'urgenza (112, 000, 911) u va spert en in ospital. Ta regorda co ch'el veseva or, ina foto gida.

El n'ha betg quai sin tai. El dovra ses tissi per pigliar nutriment u per sa defender, e sa zuppa bler pli gugent. Dapli davart la segirezza

Nua sin il mund?

AfricaAsiaEuropaAmerica dal NordAmerica dal SidAustralia ed OceaniaOcean AtlanticMar CaribicGolf dal Mexico

Quant grond è el?

Quant lung è el?

Hardhead catfish circa 70 cm lung (2,3 ft)In giat da chasa circa 50 cm (1,6 ft)In chaun circa 1 m (3,3 ft)

Quant grev è el?

uschè grev sco 1,5 giats da chasa
uschè lung sco 4 bananas ina suenter l'autravar uschè grev sco in giat da chasapudess nudar la lunghezza d'in grond bassin (50 m) en 30 secundas

Quant grond è Hardhead catfish cumpareglià cun TAI?

Mo matematica en tes navigatur. Nagut na vegn memorisà u tramess.

Quant svelt è el?

bun da savair

Fatgs

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

Per experts da tissi

Num scientific
Ariopsis felis
Gruppa
Peschs tissientads
Famiglia
Ariidae2
Urden
Siluriformes
Continents
Ocean Atlantic, Golf dal Mexico, Mar Caribic, Ils oceans
Poppins
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
Durada da vita
circa 24 onns1
Privel per umans
2 / 5: Dolurus3

Da nua che vegnan ils fatgs

  1. Hardhead catfish (Wikipedia (CC BY-SA 4.0))
  2. Ariopsis felis (iNaturalist): nums e classificaziun.
  3. Venom Wiki: il stgalim da privel, la grondezza tipica e la stima da la sveltezza èn noss agens. Guarda co che nus als calculain: Co che nus valitain il privel.

Mintga fatg sin questa pagina ha in numer che renvia a sia funtauna. Sche nus avain fatg in sbagl, perstgisa, nus essan fans d'animals, betg ina revista scientifica. Scriva a nus a [email protected] e nus curregin.

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