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Dusky spinefoot

Siganus luridus

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

Maak net seerMoenie aanraak nieDit maak seer, maar dit sal jou nie ernstig skade doen nie.

Giftige visse

Giftige stekelsEet: Plante

Gevaar vir mense: PynlikDit kan regtig seermaak, maar dit is amper nooit ernstig nie.

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

Leef in

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

Indiese Oseaan, Rooi See, Middellandse See, Arabiese See & Persiese Golf

Tuis

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

Lengte

30 cm (1 ft)1

Topspoed

omtrent 5 km/h (3,1 mph)

Swem, rowwe skatting

Wat eet dit?

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

Foto van Dusky spinefoot — Dusky spinefoot. Foto: Roberto Pillon. CC BY 3.0, Wikimedia Commons.

Hoe om dit te herken

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

Gifkrag

Giftige stekels

Skerp stekels dra die gif. Dit maak seer as jy daarop trap of dit gryp.

Wat doen sy gif as dit byt of steek?

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

Hoe gevaarlik is dit vir mense?

Gevaar vir mense: PynlikDit kan regtig seermaak, maar dit is amper nooit ernstig nie.

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

Wat doen dit as dit bang is?

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

As sy stekels jou steek

Sit die wond in warm water, so warm as wat die persoon kan verdra sonder om te brand (toets dit met jou eie hand), vir 30 tot 90 minute. Kry mediese hulp, veral vir klipvisse en pylsterte.

Bel altyd eers jou noodnommer (112, 000, 911). Dit is algemene noodhulpraad, nie mediese advies nie. Noodhulp-basiese beginsels

Bly veilig

Moet nooit aan 'n wilde dier raak, dit vang of terg nie, selfs nie 'n kleintjie nie, en selfs nie as dit lyk of dit slaap of dood is nie.
Gee dit spasie. As jy een raakloop, bly kalm, stap stadig terug en laat dit sy eie pad gaan.
As sy stekels jou steek: bly kalm, bly stil, bel jou noodnommer (112, 000, 911) of kom vinnig by 'n hospitaal uit. Onthou hoe dit gelyk het, 'n foto help.

Dit is nie uit om jou te kry nie. Dit gebruik sy gif om kos te vang of om homself te beskerm, en kruip baie eerder weg. Meer oor veilig bly

Waar in die wêreld?

Afrika Asië Europa Noord-Amerika Suid-Amerika Australië & Oseanië Indiese Oseaan Middellandse See Rooi See Arabiese See & Persiese Golf

Hoe groot is dit?

Hoe lank is dit?

so lank soos 9 speelgoed-boublokke in 'n rykan die lengte van 'n groot swembad (50 m) in 36 sekondes swem

Hoe groot is Dusky spinefoot in vergelyking met JOU?

Net wiskunde in jou blaaier. Niks word gestoor of enige plek heen gestuur nie.

Hoe vinnig is dit?

'n Mens wat swem omtrent 3 km/h (1,9 mph)

Dusky spinefoot omtrent 5 km/h (3,1 mph)

'n Olimpiese swemmer omtrent 8 km/h (5 mph)

die moeite werd om te weet

Feite

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

Vir gifkenners

Wetenskaplike naam: Siganus luridus
Groep: Giftige visse
Familie: Siganidae2
Orde: Acanthuriformes
Kontinente: Indiese Oseaan, Rooi See, Middellandse See, Arabiese See & Persiese Golf, Die oseane
Babas: 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
Gevaar vir mense: 2 / 5: Pynlik3

Waar die feite vandaan kom

Dusky spinefoot (Wikipedia (CC BY-SA 4.0))
Siganus luridus (iNaturalist): name en klassifikasie.
Venom Wiki: die gevaarvlak, die tipiese grootte en die spoedskatting is ons eie. Kyk hoe ons dit uitwerk: Hoe ons gevaar gradeer.

Elke feit op hierdie bladsy het 'n nommer wat na sy bron wys. As ons iets verkeerd het, jammer, ons is dierfanatici, nie 'n wetenskaplike joernaal nie. Laat weet ons by [email protected] en ons maak dit reg.

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