Limre 1259 e 1 402

Spiny dogfish

Squalus acanthias

Baɗte innde: The species name acanthias refers to the shark's two spines.1

Ina muusa tanTaa memuIna muusa, kono gaañataa ma bone mawɗo.

Liddi tooke

Gi'e tookeIna ñaama: Teewu

Bone e yimɓe: Ina muusaIna waawi muusude sanne, kono ɓadii abada wonaa bone mawɗo.

The spiny dogfish is a small, well-known shark with a sharp spine in front of each of its two back fins. It lives in shallow and offshore waters in most parts of the world, especially cooler seas, and it is hunted heavily for food. Its spines are its main form of defence.1

Ina wona e

Shallow and offshore waters in most parts of the world, especially temperate seas; the northern Pacific population is now a separate species, the Pacific spiny dogfish1

Baharu Atlantik, Baharu Pasifik, Baharu Indiya, Baharu Mediterane, Baharu Worgo, Baharu Arktik, Antarktika, Baharu Rewo

Galle

It lives in shallow waters and further offshore, and is described as bottom-dwelling. It is commonly found at depths of about 50 to 149 m, and has been found deeper than 700 m. Commercial fishing brings it to fish markets, fish and chip shops and restaurants.1

Njuuteendi

60 cm haa 84 cm (2 ft haa 2,8 ft)1

Yaawre ɓurnde

ɓadii 20 km/h (12 mph)

Lumbaade, miijo tan

Hol ko nde ñaamata?

It eats squid, fish, crab, jellyfish, sea cucumber, shrimp and other invertebrates. It hunts in packs that can number into the thousands and is described as an aggressive hunter.1

Foto Spiny dogfish — Spiny dogfish. Foto: Ecomare/Salko de Wolf. CC BY-SA 4.0, iNaturalist.

No anndirto nde

Two spines, one in front of each dorsal (back) fin.1
No anal fin on the underside.1
White spots along its back.1
Greyish brown on both sexes, with countershading (darker on top, paler underneath).1
Asymmetrical tail lobes, forming a heterocercal tail (the upper lobe is larger).1

Ina jiiɓindiree e: Several shark species share the names dogfish, spurdog and piked dogfish. Spiny dogfish are told apart by having two spines, one in front of each dorsal fin, and no anal fin.1

Doole tooke

Gi'e tooke

Gi'e ceeɓɗe ina njogii tooke. Yaabude nde walla nanngude nde ina muusa.

Hol ko tooke mum (ŋatol walla fiɗol) waɗata?

Its dorsal spines secrete a mild venom. The spines are driven into an attacker when the shark arches its back.1

Hol no nde woni bone e yimɓe?

Bone e yimɓe: Ina muusaIna waawi muusude sanne, kono ɓadii abada wonaa bone mawɗo.

Hol ko nde waɗata si nde hulii?

If it is caught, it arches its back to pierce its captor with the spines near its dorsal fins.1

Si gi'e mum naatii e ɓanndu maa

Naatnu barme e ndiyam wulɗam, wulɗam no neɗɗo oo waawi muñde tawa sumataa (ƴeewu ɗam e junngo maa), hakkunde minti 30 e minti 90. Heɓu ballal doktaa, haa teeŋti e stonefish e stingray.

Sahaa fof, noddu lamba ballal yaawngal (112, 000, 911) ko adii. Ɗum ko ballal arano kuuɓal, wonaa wasiyya doktaa. Aslu ballal arano

Reen hoore maa

Taa memu, taa nanngu, taa aaɓnu dabbaare ladde abada, hay pamaro, hay si ina wayi no ɗaanii walla maayii.
Accu nde nokku. Si a fottii e gooto, deeƴu, ruttu caggal seeɗa seeɗa, accu nde yaha laawol mum.
Si gi'e mum naatii e ɓanndu maa: deeƴu, taa dillu, noddu lamba ballal yaawngal (112, 000, 911) walla yah asibiti law. Siftor no nde wayri, foto ina walla.

Nde ɗaɓɓaaki ma. Nde huutora tooke mum ngam nanngude ñaamdu walla reende hoore mum, nde ɓuri yiɗde suuɗaade. Ɓeydu anndude no reentorto

Hol to e aduna?

Afirik Asiya Turai Amerik Rewo Amerik Worgo Australiya e Oseaniya Antarktika Baharu Pasifik Baharu Atlantik Baharu Indiya Baharu Arktik Baharu Worgo Baharu Mediterane Baharu Rewo

Hol no nde mawni?

Hol no nde juuti?

juuti no ullundi galle 1,5, hinere haa laacijuuti no ayaba 5 jokkondiraaɗiina waawi lumbaade njuuteendi pisin mawɗo (50 m) nder sakan 9

Hol no Spiny dogfish mawni, fottindaade e AAN?

Hiisa tan nder browser maa. Alaa ko mooftetee walla ko neletee.

Hol no nde yaawi?

Lumbotooɗo Olympik ɓadii 8 km/h (5 mph)

Spiny dogfish ɓadii 20 km/h (12 mph)

Dolfin e yaawre mum fof ɓadii 35 km/h (22 mph)

ina haani anndeede

Anndal

Dogfish sharks have one of the longest pregnancies of any organism, lasting around 18 to 24 months.1

Spiny dogfish hunt in packs that can range up into the thousands.1

In England, dogfish are sold in fish and chip shops as 'huss', and used to be sold as 'rock salmon' until that term was outlawed.1

Spiny dogfish are popular dissection specimens in high schools and universities because they are easy to get and have small, cartilaginous skulls.1

Squalus acanthias fossils from the Miocene of Denmark and the Netherlands date from about 11 million years ago.1

Males are identified by a pair of modified pelvic fins called claspers, which they use to transfer sperm to the female.1

Feññinoowo goonga

Fenaande: All animals called dogfish or spurdog are the same species.

Goonga: These common names can apply to several species. Spiny dogfish are identified by their two spines, one in front of each dorsal fin, and by having no anal fin.1

Ngam ganduɓe tooke

Innde ganndal: Squalus acanthias
Fedde: Liddi tooke
Besngu: Squalidae2
Tolno: Squaliformes
Nahiyaaji: Baharu Atlantik, Baharu Pasifik, Baharu Indiya, Baharu Mediterane, Baharu Worgo, Baharu Arktik, Antarktika, Baharu Rewo, Baharuuji mawɗi
Ɓikkoy: The eggs develop inside the mother and the pups are born alive, with about 5 to 6 in each litter; gestation can last from around 18 to 24 months, one of the longest of any organism.1
Hol no nde wonata e ladde: Vulnerable globally; Critically endangered in the Northeast Atlantic1
Bone e yimɓe: 2 / 5: Ina muusa3

Ɗo anndal iwi

Spiny dogfish (Wikipedia (CC BY-SA 4.0))
Squalus acanthias (iNaturalist): inɗe e tolnugol.
Venom Wiki: darja bone, mawnude woowaaɗo e miijo yaawre ko amen. Ndaar no min hiisirta ɗum: No min betiri bone.

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