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Blue-black urchin

Echinothrix diadema

ImangopwetekaUsakhudzeImapweteka, koma sidzakuvulaza kwambiri.

Nungu za m'nyanja, nyenyezi za m'nyanja ndi nyongolotsi

Minga yaululuImadya: Zomera

Ngozi kwa anthu: YopwetekaIngathe kupweteka kwambiri, koma pafupifupi nthawi zonse si vuto lalikulu.

The blue-black urchin is a spiny sea animal that lives on tropical coral reefs. It is black or blue-black, with long spines that show a blue shine in the light. It grazes on algae during the night and hides in cracks and under rocks by day.1

Imakhala ku

Throughout the Indo-Pacific coral reefs, from the Red Sea to Hawaii1

Nyanja ya Indian, Nyanja ya Pacific, Nyanja Yofiira, Nyanja ya Coral, Nyanja ya Philippine, Nyanja ya Timor ndi Arafura, Nyanja ya Bengal

Kunyumba

It lives in shallow water, from the surface down to about 10 m, and can be found as deep as 70 m. By day it hides in crevices, burrows and under rocks.1

Kutalika

10 cm mpaka 20 cm (3,9 in mpaka 7,9 in)1

Liwiro lapamwamba

pafupifupi 0,02 km/h (0,01 mph)

Kusambira, kuyerekeza chabe

Imadya chiyani?

It grazes on algae and seagrass, and in Fiji its grazing choices matched its favourite algae, Codium geppiorum. Its grazing adds to the wearing down of coral reef structures by echinoids (sea urchins).1

Chithunzi cha Blue-black urchin — Blue-black urchin. Chithunzi: Cricket Raspet. CC BY 4.0, iNaturalist.

Mmene ungaizindikirire

It is black or blue-black and always dark in colour.1
Its spines show a blue sheen in the light.1
Its spines are long and closed at the tip.1
Its anal sac is small and dark, and it is hardly visible.1
Its typical diameter, including the spines, is 10 to 20 cm.1

Nthawi zambiri imasokonezedwa ndi: Echinothrix calamaris has banded spines, except in juveniles, and dark forms show a greenish tinge rather than blue. Diadema setosum has longer spines, a smaller test (the body shell) and an orange ring around its anal sac.1

Mphamvu ya ululu

Minga yaululu

Minga yakuthwa imanyamula ululu. Kuiponda kapena kuigwira kumapweteka.

Ndi yoopsa bwanji kwa anthu?

Ngozi kwa anthu: YopwetekaIngathe kupweteka kwambiri, koma pafupifupi nthawi zonse si vuto lalikulu.

Minga yake ikakubaya

Ika bala m'madzi otentha, otentha monga momwe munthuyo angapirire osapsa, ndipo peza thandizo la dokotala kuti achotse minga. Usaikumbe wekha.

Nthawi zonse yamba wayimbira nambala yadzidzidzi (112, 000, 911). Awa ndi malangizo wamba a chithandizo choyamba, osati malangizo a dokotala. Zoyambira za chithandizo choyamba

Khala wotetezeka

Usakhudze, kugwira kapena kuseweretsa nyama yakuthengo, ngakhale yaing'ono, ndipo ngakhale ikuoneka ngati yagona kapena yafa.
Ipatse malo. Ukakumana nayo, khala chete, bwerera m'mbuyo pang'onopang'ono ndipo uilole ipite njira yake.
Minga yake ikakubaya: khala chete, usasunthe, imbira nambala yadzidzidzi (112, 000, 911) kapena pita kuchipatala mwachangu. Kumbukira m'mene inkaonekera, chithunzi chimathandiza.

Sikufuna kukuvulaza. Imagwiritsa ntchito ululu wake kugwira chakudya kapena kudziteteza, ndipo imakonda kwambiri kubisala. Zambiri za kukhala wotetezeka

Kuti padziko lapansi?

Africa Asia Ulaya Amereka ya Kumpoto Amereka ya Kumwera Australia ndi Oceania Nyanja ya Pacific Nyanja ya Indian Nyanja Yofiira Nyanja ya Coral Nyanja ya Philippine Nyanja ya Timor ndi Arafura Nyanja ya Bengal

Ndi yaikulu bwanji?

Ndi yaitali bwanji?

yaitali ngati zidutswa zomangira zoseweretsa 6 pamzereyochedwa kuposa nkhono ya m'munda

Blue-black urchin ndi yaikulu bwanji poyerekeza ndi IWE?

Ndi masamu chabe mu msakatuli wako. Palibe chomwe chimasungidwa kapena kutumizidwa kwina.

Imathamanga bwanji?

Hatchi ya m'nyanja (seahorse) pafupifupi 0,0015 km/h (0 mph)

Blue-black urchin pafupifupi 0,02 km/h (0,01 mph)

Nkhono ya m'munda pafupifupi 0,05 km/h (0,03 mph)

zoyenera kudziwa

Mfundo

The shrimp Stegopontonia commensalis lives on it, and the shrimp Saron marmoratus stays close to it for protection.1

Fish of the families Apogonidae (cardinalfish) and Centriscidae (razorfish and relatives) also stay close to it for protection.1

Its grazing contributes to bioerosion, the slow wearing down of reef structures.1

It is active at night and hides in crevices, burrows and under rocks during the day.1

Za akatswiri a ululu

Dzina la sayansi: Echinothrix diadema
Gulu: Nungu za m'nyanja, nyenyezi za m'nyanja ndi nyongolotsi
Banja: Diadematidae2
Dongosolo: Diadematoida
Makontinenti: Nyanja ya Indian, Nyanja ya Pacific, Nyanja Yofiira, Nyanja ya Coral, Nyanja ya Philippine, Nyanja ya Timor ndi Arafura, Nyanja ya Bengal, Nyanja zikuluzikulu
Ana akhanda: Females generally choose low-lying spots, which give their tiny larvae better protection from predators.1
Ngozi kwa anthu: 2 / 5: Yopweteka3

Kumene mfundo zimachokera

Echinothrix diadema (Wikipedia (CC BY-SA 4.0))
Echinothrix diadema (iNaturalist): mayina ndi magulu a sayansi.
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