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Venom Wiki / Dibopiwa tsotlhe / Ditlhapi tse di tsenyang botlhole
Setshwantsho sa khathune sa Spiny dogfish
Nom. 1259 ya 1 402

Spiny dogfish

Squalus acanthias
Ka ga leina: The species name acanthias refers to the shark's two spines.1
E utlwisa botlhoko felaO se ka wa amaE a utlwisa botlhoko, mme ga e kitla e go gobatsa thata.
Ditlhapi tse di tsenyang botlhole Mitlwa ya botlholeE ja: Nama
Kotsi go batho: E botlhokoE ka utlwisa botlhoko tota, mme go seoka thata gore e nne masisi.

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

E tshela kwa
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
Lewatle la Atlantic, Lewatle la Pacific, Lewatle la India, Lewatle la Mediterranean, Lewatle la Borwa, Lewatle la Arctic, Antarctica, Lewatle la Bokone
Gae
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
Boleele
60 cm go ya go 84 cm (2 ft go ya go 2,8 ft)1
Lebelo le le kwa godimo
e ka nna 20 km/h (12 mph)
Go thuma, kakanyo fela
E ja eng?
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
Ka nnete!Setshwantsho sa Spiny dogfish
Spiny dogfish. Setshwantsho: Ecomare/Salko de Wolf. CC BY-SA 4.0, iNaturalist.

Tsela ya go e lemoga

  • 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

Gantsi e tlhakanngwa le: 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

Maatla a botlhole

Mitlwa ya botlhole

Mitlwa e e bogale e rwala botlhole. Go e gata kgotsa go e tshwara go a utlwisa botlhoko.

Botlhole jo e bo tsenyang bo dira eng?

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

E kotsi go le kae go batho?

Kotsi go batho: E botlhokoE ka utlwisa botlhoko tota, mme go seoka thata gore e nne masisi.

E dira eng fa e tshogile?

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

Fa mitlwa ya yone e go tlhaba

  • Tsenya ntho mo metsing a a mogote, a a bollo jo motho a ka bo itshokang a sa fiswe (a leke ka seatla sa gago pele), metsotso e le 30 go ya go 90. Batla thuso ya bongaka, bogolo jang go ditlhapi tsa lefika le distingrei.

Ka gale leletsa nomoro ya gago ya tshoganyetso pele (112, 000, 911). Se ke kaelo e e akaretsang ya thuso ya ntlha, ga se kgakololo ya bongaka. Motheo wa thuso ya ntlha

Nna o babalesegile

  • O se ka wa ama, wa tshwara kgotsa wa tshwenya phologolo ya naga, le fa e le e nnye, le fa e lebega e robetse kgotsa e sule.
  • E fe sebaka. Fa o kopana le yone, ritibala, boela morago ka bonya mme o e tlogele e tsamaye ka tsela ya yone.
  • Fa mitlwa ya yone e go tlhaba: ritibala, o se ka wa tshikinyega, leletsa nomoro ya gago ya tshoganyetso (112, 000, 911) kgotsa o ye bookelong ka bonako. Gopola gore e ne e lebega jang, setshwantsho se a thusa.

Ga e go batle. E dirisa botlhole jwa yone go tshwara dijo kgotsa go itshireletsa, mme e rata go iphitlha go feta. Go le gontsi ka go nna o babalesegile

Kae mo lefatsheng?

AforikaAsiaYuropaAmerika BokoneAmerika BorwaAustralia le OceaniaAntarcticaLewatle la PacificLewatle la AtlanticLewatle la IndiaLewatle la ArcticLewatle la BorwaLewatle la MediterraneanLewatle la Bokone

E kgolo go le kae?

E telele go le kae?

Spiny dogfish e ka nna 84 cm ka boleele (2,8 ft)Katse ya ntlo e ka nna 50 cm (1,6 ft)Ntša e ka nna 1 m (3,3 ft)
boleele jo bo lekanang le dikatse tsa ntlo di le 1,5 go tloga kwa nkong go ya mogatlengboleele jo bo lekanang le dipanana di le 5 di latelanae ka thuma boleele jwa bodiba jo bogolo jwa go thuma (50 m) ka metsotswana e le 9

Spiny dogfish e kgolo go le kae fa e bapisiwa le WENA?

Ke dipalo fela mo sefetleng sa gago (browser). Ga go sepe se se bolokwang kgotsa se se romelwang gope.

E bonako go le kae?

go botlhokwa go itse

Dintlha

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

Mosenyi wa ditlhamane

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

Nnete: 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

Ya baitseanape ba botlhole

Leina la saense
Squalus acanthias
Setlhopha
Ditlhapi tse di tsenyang botlhole
Lelapa
Squalidae2
Lekoko
Squaliformes
Dikontinente
Lewatle la Atlantic, Lewatle la Pacific, Lewatle la India, Lewatle la Mediterranean, Lewatle la Borwa, Lewatle la Arctic, Antarctica, Lewatle la Bokone, Mawatle
Masea
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
Seemo sa yone kwa nageng
Vulnerable globally; Critically endangered in the Northeast Atlantic1
Kotsi go batho
2 / 5: E botlhoko3

Kwa dintlha di tswang teng

  1. Spiny dogfish (Wikipedia (CC BY-SA 4.0))
  2. Squalus acanthias (iNaturalist): maina le thulaganyo ya mefuta.
  3. Venom Wiki: seelo sa kotsi, bogolo jo bo tlwaelegileng le kakanyo ya lebelo ke tsa rona. Bona kafa re di balang ka teng: Kafa re lekanyang kotsi ka teng.

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Tse dingwe tsa setlhopha se se tshwanang: Ditlhapi tse di tsenyang botlhole

Reef stonefishDitlhapi tse di tsenyang botlholeE ka bolayaO se ka wa amaRed lionfishDitlhapi tse di tsenyang botlholeE tlhoka ngakaO se ka wa amaEstuarine stonefishDitlhapi tse di tsenyang botlholeE ka bolayaO se ka wa amaShort-tail stingrayDitlhapi tse di tsenyang botlholeE ka bolayaStriped eel catfishDitlhapi tse di tsenyang botlholeE ka bolayaO se ka wa amaBluespotted ribbontail rayDitlhapi tse di tsenyang botlholeE tlhoka ngaka

E tshela gape kwa: Lewatle la Atlantic

Hawksbill sea turtleDiphologolo tse dingwe tse di botlhole go di ama kgotsa go di jaE ka bolayaPortuguese man o' warDijelifishi le dibopiwa tsa lewatle tse di tlhabangE tlhoka ngakaO se ka wa amaBlue sea dragonDikgopa tsa khouno le diokotopaseE utlwisa botlhoko felaGreenland sharkDiphologolo tse dingwe tse di botlhole go di ama kgotsa go di jaE utlwisa botlhoko felaLion's mane jellyfishDijelifishi le dibopiwa tsa lewatle tse di tlhabangE utlwisa botlhoko felaO se ka wa amaCommon octopusDikgopa tsa khouno le diokotopaseGa e na kotsi
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