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Dusky spinefoot

Siganus luridus

Kuhusu jina: Its scientific name, luridus, means 'pale yellow'. The collector of the first specimen gave it this name.1

Inauma tuUsiguseInauma, lakini haitakudhuru vibaya.

Samaki wenye sumu

Miiba yenye sumuHula: Mimea

Hatari kwa watu: InaumaInaweza kuuma sana, lakini karibu kamwe si jambo zito.

The dusky spinefoot is a rabbitfish with venomous spines on its fins. It is native to the western Indian Ocean and has spread into the Mediterranean Sea through the Suez Canal. People also catch it as a food fish.1

Anaishi

Western Indian Ocean, from Mozambique north to the Red Sea, and the Mediterranean Sea1

Bahari ya Hindi, Bahari ya Shamu, Bahari ya Mediterania, Bahari ya Arabia na Ghuba ya Uajemi

Nyumbani

It lives at depths of 2 to 40 metres, in waters over hard surfaces such as coral and rocky reefs. Adults are often seen in schools, though single fish also occur.1

Urefu

30 cm (1 ft)1

Kasi ya juu

takriban km 5 kwa saa (maili 3.1 kwa saa)

Kuogelea, makadirio

Hula nini?

Adults graze on algae from the seabed. They feed on larger brown algae and other large water plants called macrophytes.1

Picha ya Dusky spinefoot — Dusky spinefoot. Picha: Roberto Pillon. CC BY 3.0, Wikimedia Commons.

Jinsi ya kumtambua

Compressed (flattened from side to side) body1
Normally olive green to dark brown, with a mottled pattern1
Pale yellow pectoral fins and dark bars on the tail fin1
Dorsal fin with 13 to 14 spines, and a single row of incisor-like teeth in the jaws1
Usually about 20 cm long, and up to 30 cm1

Nguvu ya sumu

Miiba yenye sumu

Miiba mikali hubeba sumu. Kumkanyaga au kumshika kunauma.

Sumu yake hufanya nini?

The spines on its fins produce venom. In a study of a related rabbitfish, the venom was found to be similar to stonefish venom.1

Ana hatari gani kwa watu?

Hatari kwa watu: InaumaInaweza kuuma sana, lakini karibu kamwe si jambo zito.

When eaten, it has been linked to cases of mild ciguatera-like poisoning. Ciguatera is a form of food poisoning caused by toxins in some reef fish.1

Hufanya nini akiogopa?

When threatened, it stops suddenly and raises its dorsal, anal and pelvic fins, showing an array of venomous spines around its body.1

Miiba yake ikikuchoma

Weka jeraha kwenye maji ya moto, moto kiasi ambacho mtu anaweza kuvumilia bila kuungua (pima kwanza kwa mkono wako), kwa dakika 30 hadi 90. Tafuta msaada wa kitabibu, hasa kwa samaki-jiwe na taa.

Daima piga namba ya dharura kwanza (112, 000, 911). Huu ni mwongozo wa jumla wa huduma ya kwanza, si ushauri wa kitabibu. Misingi ya huduma ya kwanza

Kaa salama

Kamwe usimguse, kumkamata wala kumchokoza mnyama wa porini, hata akiwa mdogo, na hata akionekana amelala au amekufa.
Mpe nafasi. Ukikutana naye, tulia, rudi nyuma polepole na umwache aende zake.
Miiba yake ikikuchoma: tulia, usitikisike, piga namba yako ya dharura (112, 000, 911) au nenda hospitali haraka. Kumbuka alivyoonekana, picha husaidia.

Hakuwindi wewe. Hutumia sumu yake kukamata chakula au kujilinda, na hupendelea zaidi kujificha. Zaidi kuhusu kukaa salama

Wapi duniani?

Afrika Asia Ulaya Amerika Kaskazini Amerika Kusini Australia na Oceania Bahari ya Hindi Bahari ya Mediterania Bahari ya Shamu Bahari ya Arabia na Ghuba ya Uajemi

Ana ukubwa gani?

Ana urefu gani?

urefu sawa na matofali 9 ya kuchezea yaliyopangwa mstariangeweza kuogelea urefu wa bwawa kubwa (m 50) kwa sekunde 36

Dusky spinefoot ana ukubwa gani ukilinganisha na WEWE?

Ni hesabu tu kwenye kivinjari chako. Hakuna kinachohifadhiwa wala kutumwa popote.

Ana kasi gani?

Mtu anayeogelea takriban km 3 kwa saa (1.9 mph)

Dusky spinefoot takriban km 5 kwa saa (3.1 mph)

Mwogeleaji wa Olimpiki takriban km 8 kwa saa (5 mph)

inafaa kujua

Ukweli

Its spines are mainly a defence against predators. The highest predation pressure falls on its larvae and planktonic stages.1

It came to the Mediterranean through the Suez Canal. It was first recorded off Israel in 1955 and has since spread as far west as the French Mediterranean coast and the Adriatic Sea.1

It is a daytime feeder. At night it hides in cavities in the reef.1

It is an important fish for fisheries in the Mediterranean. In Kenya, it is caught mainly as bycatch.1

Kwa wataalamu wa sumu

Jina la kisayansi: Siganus luridus
Kundi: Samaki wenye sumu
Familia: Siganidae2
Mpangilio: Acanthuriformes
Mabara: Bahari ya Hindi, Bahari ya Shamu, Bahari ya Mediterania, Bahari ya Arabia na Ghuba ya Uajemi, Bahari kuu
Watoto: It spawns in April and from June to August, when seawater is between 24 and 29 °C. The eggs and larvae drift in the plankton near the surface.1
Hatari kwa watu: 2 / 5: Inauma3

Ukweli unatoka wapi

Dusky spinefoot (Wikipedia (CC BY-SA 4.0))
Siganus luridus (iNaturalist): majina na uainishaji.
Venom Wiki: kiwango cha hatari, ukubwa wa kawaida na makadirio ya kasi ni yetu wenyewe. Ona jinsi tunavyovipata: Jinsi tunavyopima hatari.

Kila ukweli kwenye ukurasa huu una namba inayoonyesha chanzo chake. Kama tumekosea kitu, samahani, sisi ni wapenzi wa wanyama, si jarida la kisayansi. Tuambie kupitia [email protected] nasi tutarekebisha.

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