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Marbled spinefoot

Siganus rivulatus

Malunga negama: The genus name Siganus comes from the Arabic sijan, meaning rabbitfish. The species name rivulatus means irregularly marked with colour, for the yellow streaks on its sides.1

Kubuhlungu njeMusa ukuchukumisaKubuhlungu, kodwa akusayi kukwenzakalisa kakhulu.

Iintlanzi ezinetyhefu

Amava anetyhefuSitya: Izityalo

Ingozi ebantwini: KubuhlunguKunokuba buhlungu ngokwenene, kodwa phantse akusoze kube kubi kakhulu.

The marbled spinefoot is a shoaling fish that mostly eats algae. It lives in shallow warm seas in the Red Sea and western Indian Ocean, and it has spread into the Mediterranean. Its spines carry venom, so it is one to leave alone.1

Sihlala

Western Indian Ocean and Red Sea; now very common across the eastern Mediterranean1

uLwandlekazi lwaseIndiya, uLwandle oluBomvu, uLwandle lweMeditera, uLwandle lwaseArabhiya neGulf yasePersi

Ekhaya

Shallow water, usually less than 15 m deep, over rock, sand or sea grass covered in algae. It prefers sheltered areas and sometimes enters estuaries. It lives in schools of 50 to several hundred fish.1

Ubude

10 cm ukuya ku-40 cm (3,9 in ukuya ku-1,3 ft)1

Esona santya siphezulu

malunga ne-5,2 km/h (3,2 mph)

Ukuqubha, uqikelelo nje

Sitya ntoni?

Adults mainly graze on algae, including Polysiphonia and Sphacelaria species. In spring and early summer in the northern Red Sea they have also been seen eating comb jellies and moon jellyfish. Young fish feed on tiny diatoms and then on small crustaceans called copepods.1

Ifoto ka-Marbled spinefoot — Marbled spinefoot. Ifoto: Diego Delso. CC BY-SA 4.0, Wikimedia Commons.

Indlela yokusiqaphela

Grey-green to brown upper body1
Yellow or silvery white underside1
Dark spots and yellow wavy lines along the sides1
Flattened body, with barbed, venomous spines in the fins1
Usually 10 to 20 cm long1

Amandla etyhefu yokuluma nokuhlaba

Amava anetyhefu

Amava abukhali aphethe ityhefu. Ukusinyathela okanye ukusibamba kubuhlungu.

Ityhefu yaso yokuluma okanye yokuhlaba yenza ntoni?

The spines in the fins have venom glands at their base. The venom is a protein that is damaged by heat. The sting is very painful.1

Siyingozi kangakanani ebantwini?

Ingozi ebantwini: KubuhlunguKunokuba buhlungu ngokwenene, kodwa phantse akusoze kube kubi kakhulu.

The spines can inflict a painful sting if the fish is handled incorrectly. No deaths from its venom have been recorded. Separately, poisoning has been recorded in Israel after people ate its flesh, linked to fish caught in polluted water.1

Senza ntoni xa soyika?

Its spines are barbed and venomous, and they can injure anyone who handles the fish carelessly.1

Ukuba amava aso ayakugwaza

The affected area should be treated with as high a temperature as possible, within 43 to 46 °C, because heat damages the venom. The person should also be checked for possible infection.1
Faka inxeba emanzini ashushu, ashushu kangangoko umntu angakwazi ukunyamezela ngaphandle kokutshiswa (wavavanye ngesandla sakho), imizuzu engama-30 ukuya kwengama-90. Fumana uncedo lwezonyango, ingakumbi kwii-stonefish nakwii-stingray.

Soloko utsalela inombolo kaxakeka kuqala (112, 000, 911). Esi sisikhokelo soncedo lokuqala ngokubanzi, asilocebiso lwezonyango. Iziseko zoncedo lokuqala

Hlala ukhuselekile

Ungaze uchukumise, ubambe okanye uqhule isilwanyana sasendle, nokuba sincinci, kwaye nokuba sibonakala silele okanye sifile.
Sinike indawo. Ukuba udibana naso, hlala uzolile, buyela umva kancinci kwaye usiyeke sihambe ngendlela yaso.
Ukuba amava aso ayakugwaza: hlala uzolile, musa ukushukuma, tsalela inombolo kaxakeka (112, 000, 911) okanye uye esibhedlele ngokukhawuleza. Khumbula ukuba sasikhangeleka njani, ifoto iyanceda.

Asikuzingeli. Sisebenzisa ityhefu yaso ukubamba ukutya okanye ukuzikhusela, kwaye singakhetha ukuzimela. Okungakumbi malunga nokuhlala ukhuselekile

Phi emhlabeni?

IAfrika IAsiya IYurophu uMntla Melika uMzantsi Melika IOstreliya neOceania uLwandlekazi lwaseIndiya uLwandle lweMeditera uLwandle oluBomvu uLwandle lwaseArabhiya neGulf yasePersi

Sikhulu kangakanani?

Side kangakanani?

ubude obulingana neebhanana eziyi-2 zilandelelanaubude obulingana neebhloko zokudlala zokwakha eziyi-12 zilandelelanasingaqubha ubude bechibi elikhulu lokuqubha (50 m) ngemizuzwana eyi-35

U-Marbled spinefoot mkhulu kangakanani xa uthelekisa NAWE?

Zizibalo nje kwibhrawuza yakho. Akukho nto igcinwayo okanye ithunyelwa naphi na.

Sikhawuleza kangakanani?

Umntu oqubhayo malunga ne-3 km/h (1,9 mph)

Marbled spinefoot malunga ne-5,2 km/h (3,2 mph)

Umqubhi weOlimpiki malunga ne-8 km/h (5 mph)

kufanelekile ukwazi

Iinyaniso

Some people have reported hallucinations after eating it.1

Eating its flesh has caused poisoning, and the toxins involved are similar to ciguatoxin.1

Its spines carry venom from glands at their base, so the fish can sting when it is handled.1

Adults can eat jellyfish, including comb jellies and moon jellyfish, in parts of the northern Red Sea.1

It reached the Mediterranean through the Suez Canal, first recorded off Palestine in 1927.1

It can be bred in captivity and is being studied as a farmed fish because it eats plant-based feed.1

Kwiingcali zetyhefu

Igama lenzululwazi: Siganus rivulatus
Iqela: Iintlanzi ezinetyhefu
Usapho: Siganidae2
Ucwangco: Acanthuriformes
Amazwekazi: uLwandlekazi lwaseIndiya, uLwandle oluBomvu, uLwandle lweMeditera, uLwandle lwaseArabhiya neGulf yasePersi, Iilwandlekazi
Iintsana: The fish lays eggs, which are fertilised outside the body. The eggs are 0.5 to 0.6 mm across, and the adults give them no care.1
Ingozi ebantwini: 2 / 5: Kubuhlungu3

Apho iinyaniso zivela khona

Siganus rivulatus (Wikipedia (CC BY-SA 4.0))
Siganus rivulatus (iNaturalist): amagama nokuhlelwa.
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