Spiny dogfish
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

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 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
A ina a duniya?
Yaya girmansa yake?
Yaya tsawonsa yake?
tsawon kyanwoyin gida 1.5 daga hanci zuwa wutsiya
tsawon ayaba 5 a jere
zai iya yin iyo tsawon babban tafkin iyo (mita 50) cikin daƙiƙa 9Yaya 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?
Bayanai
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
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
- Spiny dogfish (Wikipedia (CC BY-SA 4.0))
- Squalus acanthias (iNaturalist): sunaye da rarrabuwa.
- Venom Wiki: matakin haɗari, girman al'ada da ƙiyasin sauri namu ne. Ga yadda muke lissafa su: Yadda muke auna haɗari.
Kowane bayani a wannan shafi yana da lamba da ke nuna tushensa. Idan mun yi kuskure, ka yi haƙuri, mu masoya dabbobi ne, ba mujallar kimiyya ba. Ka gaya mana a [email protected] kuma za mu gyara.
Ƙayoyi masu dafi

