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Short-spined crown-of-thorns starfish

Acanthaster brevispinus

Tentang nama: The genus name Acanthaster comes from Ancient Greek words meaning spine or thorn and star, and the species name brevispinus is Latin for short spine.1

Sakit sahajaJangan sentuhIa sakit, tetapi tidak akan mencederakan kamu dengan serius.

Landak laut, tapak sulaiman & cacing

Duri berbisaMakan: Sedikit semuanya

Bahaya kepada manusia: MenyakitkanIa boleh jadi sangat sakit, tetapi hampir tidak pernah serius.

The short-spined crown-of-thorns starfish is a large, spiny sea star that lives on the sea floor in parts of the western Pacific and western Indian Ocean. It belongs to a genus with only two species, and it is less well known than its relative, the common crown-of-thorns starfish. Its many arms and dense spines make it easy to tell apart from typical starfish.1

Hidup di

Philippines, Great Barrier Reef region (Australia) and Seychelles, across a wide area of the tropics and subtropics1

Lautan Hindi, Lautan Pasifik, Laut Karang, Laut Filipina

Laman utama

It has been found at moderate depths, from 18 m to 63 m. All known specimens came from soft sandy sea floor rather than hard coral reef. The Great Barrier Reef specimens were caught as unwanted bycatch by trawl nets off Townsville.1

Panjang

35 cm (1.1 ft)3

saiz dewasa biasa

Kelajuan maksimum

kira-kira 0.02 km/j (0.01 mph)

Berenang, anggaran kasar

Apa yang ia makan?

Scallops appear to be an important part of its diet. It creeps up on a scallop over the hinge, where it is less visible, and traps the scallop under its disc. Laboratory observations also show that it eats a wider range of food.1

Gambar Short-spined crown-of-thorns starfish — Short-spined crown-of-thorns starfish. Gambar: Matt Kieffer. CC BY-SA 4.0, iNaturalist.

Cara mengenalinya

Dense, blunt spines cover the upper surface of its central disc.1
The upper surface is purple-brown and gets darker towards the arms.1
Darker blotches run around the edge of the disc and along the arms, with a large blotch at the base of each arm.1
Pale marks sit on the disc between each arm.1
Its arm spines are shorter than those of the common crown-of-thorns starfish.1

Sering dikelirukan dengan: It is most often confused with the common crown-of-thorns starfish, Acanthaster planci. The short-spined species has blunt spines on its upper surface, short pedicellaria (tiny pincer-like structures), pale marks between the arms and shorter arm spines. The common species has longer arm spines and lacks the pale marks.1

Kuasa bisa

Duri berbisa

Duri tajam membawa bisa. Memijak atau memegangnya menyakitkan.

Berapa bahaya ia kepada manusia?

Bahaya kepada manusia: MenyakitkanIa boleh jadi sangat sakit, tetapi hampir tidak pernah serius.

Jika durinya menikam kamu

Rendam luka dalam air panas, sepanas yang orang itu boleh tahan tanpa melecur, dan dapatkan bantuan perubatan untuk mengeluarkan duri. Jangan korek sendiri.

Sentiasa hubungi nombor kecemasan dahulu (112, 000, 911). Ini panduan pertolongan cemas umum, bukan nasihat perubatan. Asas pertolongan cemas

Kekal selamat

Jangan sesekali sentuh, tangkap atau usik haiwan liar, walaupun yang kecil, dan walaupun ia nampak tidur atau mati.
Beri ia ruang. Jika kamu terjumpa, bertenang, undur perlahan-lahan dan biarkan ia pergi.
Jika durinya menikam kamu: bertenang, jangan bergerak, hubungi nombor kecemasan (112, 000, 911) atau pergi ke hospital dengan segera. Ingat rupanya, gambar boleh membantu.

Ia bukan mahu memburu kamu. Ia guna bisanya untuk menangkap makanan atau melindungi diri, dan ia lebih suka bersembunyi. Lagi tentang keselamatan

Di mana di dunia?

Afrika Asia Eropah Amerika Utara Amerika Selatan Australia & Oceania Lautan Pasifik Lautan Hindi Laut Karang Laut Filipina

Berapa besar ia?

Berapa panjang ia?

sepanjang 11 blok binaan mainan disusun sebarislebih perlahan daripada siput kebun

Berapa besar Short-spined crown-of-thorns starfish berbanding KAMU?

Hanya matematik dalam pelayar kamu. Tiada apa yang disimpan atau dihantar ke mana-mana.

Berapa laju ia?

Kuda laut kira-kira 0.0015 km/j (0 mph)

Short-spined crown-of-thorns starfish kira-kira 0.02 km/j (0.01 mph)

Siput taman kira-kira 0.05 km/j (0.03 mph)

berguna untuk diketahui

Fakta

It catches scallops, which are fast swimmers, by sneaking up on them and trapping them under its body.1

It has many arms rather than the usual five, so it has lost the five-fold symmetry typical of starfish, although it starts life with five-fold symmetry.1

Its feeding posture, with the body arched over the prey, is so distinct that even the taste of scallop meat triggers it.1

In a 1973 laboratory experiment, it was crossed with the common crown-of-thorns starfish, and the hybrids reached sexual maturity at the end of their second year.1

Untuk pakar bisa

Nama saintifik: Acanthaster brevispinus
Kumpulan: Landak laut, tapak sulaiman & cacing
Keluarga: Acanthasteridae2
Susunan: Valvatida
Benua-benua: Lautan Hindi, Lautan Pasifik, Laut Karang, Laut Filipina, Lautan
Anak: It reproduces by releasing eggs and sperm, and the young develop through bipinnaria and brachiolaria larval stages before settling as tiny five-armed starfish about 0.4 to 1 mm across.1
Bahaya kepada manusia: 2 / 5: Menyakitkan3

Dari mana fakta datang

Acanthaster brevispinus (Wikipedia (CC BY-SA 4.0))
Acanthaster brevispinus (iNaturalist): nama dan pengelasan.
Venom Wiki: tahap bahaya, saiz biasa dan anggaran kelajuan adalah penilaian kami sendiri. Lihat cara kami mengiranya: Cara kami menilai bahaya.

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