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Zanen Spiny dogfish
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Spiny dogfish

Squalus acanthias
Game da sunan: The species name acanthias refers to the shark's two spines.1
Ciwo kawaiKada ka taɓaYana ciwo, amma ba zai cutar da kai sosai ba.
Kifaye masu dafi Ƙayoyi masu dafiAbinci: Nama
Haɗari ga mutane: Mai raɗaɗiYana iya yin ciwo sosai, amma kusan bai taɓa zama mai tsanani ba.

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

Yana zaune a
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
Tekun Atlantika, Tekun Pasifik, Tekun Indiya, Bahar Rum, Tekun Kudu, Tekun Arctic, Antatika, Tekun Arewa
Gida
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
Tsawo
60 cm zuwa 84 cm (2 ft zuwa 2.8 ft)1
Mafi girman sauri
kusan 20 km/h (12 mph)
Iyo, ƙiyasi
Me yake ci?
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
Da gaske!Hoton Spiny dogfish
Spiny dogfish. Hoto: Ecomare/Salko de Wolf. CC BY-SA 4.0, iNaturalist.

Yadda za ka gane shi

  • 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

Ana yawan rikita shi da: 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

Ƙarfin dafi

Ƙayoyi masu dafi

Ƙayoyi masu kaifi ne ke ɗauke da dafin. Taka shi ko kama shi yana ciwo.

Me dafinsa yake yi?

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

Yaya haɗarinsa yake ga mutane?

Haɗari ga mutane: Mai raɗaɗiYana iya yin ciwo sosai, amma kusan bai taɓa zama mai tsanani ba.

Me yake yi idan ya ji tsoro?

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

Idan ƙayoyinsa suka soke ka

  • Ka saka raunin cikin ruwan zafi, mai zafi iyakar yadda mutumin zai iya jurewa ba tare da ya ƙone ba (ka gwada da hannunka), na tsawon minti 30 zuwa 90. Ka nemi taimakon likita, musamman don kifin dutse da stingrays.

Kullum ka fara kiran lambar gaggawa (112, 000, 911). Wannan jagorar agajin gaggawa ce ta gaba ɗaya, ba shawarar likita ba. Muhimman abubuwan agajin gaggawa

Kiyaye lafiya

  • Kada ka taɓa, kada ka kama, kada ka tsokani dabbar daji, ko da ƙarama ce, kuma ko da tana kama da tana barci ko ta mutu.
  • Ka ba shi sarari. Idan ka haɗu da ɗaya, ka natsu, ka koma baya a hankali kuma ka bar shi ya bi hanyarsa.
  • Idan ƙayoyinsa suka soke ka: ka natsu, ka zauna ba motsi, ka kira lambar gaggawarka (112, 000, 911) ko ka je asibiti da sauri. Ka tuna yadda yake, hoto yana taimakawa.

Ba ya neman cutar da kai. Yana amfani da dafinsa don kama abinci ko don kare kansa, kuma ya fi son ya ɓuya. Ƙarin bayani game da kiyaye lafiya

Yaya girmansa yake?

Yaya tsawonsa yake?

Spiny dogfish tsawonsa kusan 84 cm (2.8 ft)Kyanwar gida kusan 50 cm (1.6 ft)Kare kusan 1 m (3.3 ft)
tsawon kyanwoyin gida 1.5 daga hanci zuwa wutsiyatsawon ayaba 5 a jerezai iya yin iyo tsawon babban tafkin iyo (mita 50) cikin daƙiƙa 9

Yaya girman Spiny dogfish yake idan aka kwatanta da KAI?

Lissafi ne kawai a cikin burauzarka. Ba a adana komai ko a aika ko'ina.

Yaya saurinsa yake?

abin da ya kamata a sani

Bayanai

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

Mai karya tatsuniya

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

Gaskiya: 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

Don ƙwararru a kan dafi

Sunan kimiyya
Squalus acanthias
Rukuni
Kifaye masu dafi
Iyali
Squalidae2
Tsari
Squaliformes
Nahiyoyi
Tekun Atlantika, Tekun Pasifik, Tekun Indiya, Bahar Rum, Tekun Kudu, Tekun Arctic, Antatika, Tekun Arewa, Tekuna
Jarirai
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
Yadda yake a cikin daji
Vulnerable globally; Critically endangered in the Northeast Atlantic1
Haɗari ga mutane
2 / 5: Mai raɗaɗi3

Inda bayanan suka fito

  1. Spiny dogfish (Wikipedia (CC BY-SA 4.0))
  2. Squalus acanthias (iNaturalist): sunaye da rarrabuwa.
  3. Venom Wiki: matakin haɗari, girman al'ada da ƙiyasin sauri namu ne. Ga yadda muke lissafa su: Yadda muke auna haɗari.

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