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Ekifaananyi ekikubiddwa ekya Spiny dogfish
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Spiny dogfish

Squalus acanthias
Ku linnya: The species name acanthias refers to the shark's two spines.1
Kiruma bwokkaTokwatakoKiruma, naye tekijja kukukolako kabi kanene.
Ebyennyanja eby'obusagwa Amaggwa ag'obusagwaKirya: Ennyama
Akabi eri abantu: Kya bulumiKisobola okuluma ddala, naye kumpi tekiba kya kabi kinene.

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

Kibeera mu
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
Oseyani ya Atlantiki, Oseyani ya Pasifiki, Oseyani y'e Buyindi, Ennyanja ya Mediterenia, Oseyani ey'Obukiikaddyo, Oseyani ya Arakitiki, Antakitika, Ennyanja ey'Obukiikakkono (North Sea)
Awaka
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
Obuwanvu
60 cm okutuuka ku 84 cm (2 ft okutuuka ku 2,8 ft)1
Embiro ezisinga
nga 20 km/h (12 mph)
Okuwuga, kuteebereza bwokka
Kirya ki?
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
Ddala!Ekifaananyi kya Spiny dogfish
Spiny dogfish. Ekifaananyi: Ecomare/Salko de Wolf. CC BY-SA 4.0, iNaturalist.

Engeri y'okukitegeera

  • 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

Kitera okutabulwa ne: 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

Amaanyi g'obusagwa

Amaggwa ag'obusagwa

Amaggwa amasongovu ge galimu obusagwa. Okukirinnyako oba okukikwata kiruma.

Obusagwa bwakyo bukola ki?

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

Kirina akabi kenkana wa eri abantu?

Akabi eri abantu: Kya bulumiKisobola okuluma ddala, naye kumpi tekiba kya kabi kinene.

Kikola ki nga kitidde?

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

Amaggwa gaakyo bwe gakufumita

  • Teeka ekiwundu mu mazzi agookya, agookya nga omuntu bw'asobola okugumiikiriza nga tegamwokya (gagezese n'omukono gwo), okumala eddakiika 30 okutuuka ku 90. Funa obuyambi bw'abasawo, naddala ku stonefish ne stingray.

Bulijjo sooka kuba ennamba y'ebigwa bitalaze (112, 000, 911). Buno bulagirizi bwa bujjanjabi obusooka obwa bulijjo, si kuwabula kwa musawo. Obujjanjabi obusooka obw'omusingi

Weekuume

  • Tokwatako, tokwata wadde okusoomooza ensolo ey'omu nsiko, ne bw'eba ntono, era ne bw'eba erabika nga yeebase oba nga efudde.
  • Gireke n'ebbanga. Bw'osisinkana emu, beera mukkakkamu, dda emabega mpola era gireke egende mu kkubo lyayo.
  • Amaggwa gaayo bwe gakufumita: beera mukkakkamu, totambula, kuba ennamba y'ebigwa bitalaze (112, 000, 911) oba tuuka mu ddwaliro mangu. Jjukira bwe yali efaanana, ekifaananyi kiyamba.

Tekikunoonya. Kikozesa obusagwa bwakyo okukwata emmere oba okwekuuma, era kyandisinze kwekweka. Ebirala ku kwekuuma

Wa mu nsi?

AfirikaAsiyaBulaayaAmerika ey'ObukiikakkonoAmerika ey'ObukiikaddyoAwusitureeliya ne OseyaniyaAntakitikaOseyani ya PasifikiOseyani ya AtlantikiOseyani y'e BuyindiOseyani ya ArakitikiOseyani ey'ObukiikaddyoEnnyanja ya MeditereniaEnnyanja ey'Obukiikakkono (North Sea)

Kinene kyenkana wa?

Kiwanvu kyenkana wa?

Spiny dogfish kiwanvu nga 84 cm (2,8 ft)Kkapa ey'awaka nga 50 cm (1,6 ft)Embwa nga 1 m (3,3 ft)
kiwanvu nga kkapa ez'awaka 1,5 okuva ku nnyindo okutuuka ku mukirakiwanvu nga ndiizi 5 eziteekeddwa mu lunyiririkyandisobodde okuwuga obuwanvu bw'ekidiba ekinene (m 50) mu sikonda 9

Spiny dogfish kinene kyenkana wa bw'ogeraageranya ne GGWE?

Kubala bwokka mu browser yo. Tewali kitterekebwa wadde okusindikibwa wonna.

Kidduka kyenkana wa?

kirungi okumanya

Ebituufu

1

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

2

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

3

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

4

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

5

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

6

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

Omumenyi w'enfumo

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

Amazima: 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

Ku bakugu mu busagwa

Erinnya erya ssaayansi
Squalus acanthias
Ekibinja
Ebyennyanja eby'obusagwa
Amaka
Squalidae2
Ensengeka
Squaliformes
Ssemazinga
Oseyani ya Atlantiki, Oseyani ya Pasifiki, Oseyani y'e Buyindi, Ennyanja ya Mediterenia, Oseyani ey'Obukiikaddyo, Oseyani ya Arakitiki, Antakitika, Ennyanja ey'Obukiikakkono (North Sea), Oseyani
Abaana abawere
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
Kiri kitya mu nsiko
Vulnerable globally; Critically endangered in the Northeast Atlantic1
Akabi eri abantu
2 / 5: Kya bulumi3

Ebituufu we biva

  1. Spiny dogfish (Wikipedia (CC BY-SA 4.0))
  2. Squalus acanthias (iNaturalist): amannya n'ensengeka y'ebika.
  3. Venom Wiki: omutendera gw'akabi, obunene obwa bulijjo n'okuteebereza kw'embiro bibyaffe. Laba engeri gye tubibalamu: Engeri gye tupimamu akabi.

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Ebirala okuva mu kibinja kye kimu: Ebyennyanja eby'obusagwa

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Era kibeera mu: Oseyani ya Atlantiki

Hawksbill sea turtleEnsolo endala ez'obutwaKisobola okuttaPortuguese man o' warJellyfish n'ebibojja eby'ennyanjaKyetaaga omusawoTokwatakoBlue sea dragonCone snail ne octopusKiruma bwokkaGreenland sharkEnsolo endala ez'obutwaKiruma bwokkaLion's mane jellyfishJellyfish n'ebibojja eby'ennyanjaKiruma bwokkaTokwatakoCommon octopusCone snail ne octopusTekirina kabi
Liisa enjabaekibbo ky'obuyambi, kigikuuma nga ya bwereere