Pisaster giganteus

Pisaster giganteus

The Pacific sea star, or Pisaster giganteus, is a colorful starfish found in the ocean. It has five arms and can be purple, orange, or even yellow! These starfish love to cling to rocks and explore the tide pools.

生息地: Coastal areas

外見

The Pisaster giganteus is a large sea star, typically purple, brown, or red, often adorned with prominent, blunt white spines that form a striking network across its dorsal surface. Its five robust arms radiate from a central disc.

AnimaliaEchinodermataAsteroideaForcipulatidaAsteriidaePisaster
Pisaster giganteus
solitary trait badgefilter_feeder trait badgecolorful trait badgecoastal trait badge
Pisaster giganteus

カテゴリ

Invertebrate

レア度

Common

危険度

1/5 · 非常に低い

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おもしろい事実

Giant sea stars don't have a brain or blood, but they still thrive!

Some giant sea stars surprisingly have six or even seven arms!

Their entire body is covered in tiny, hard skeletal plates called ossicles.

They breathe using tiny, feathery skin gills all over their back!

特殊能力

能力

Arm Regeneration

Pisaster giganteus can regrow lost arms because of specialized cells that helps them recover from injury.

能力

Sticky Steps

Pisaster giganteus has hundreds of powerful tube feet that help them cling tightly to rocks and slowly crawl across the seafloor.

能力

Stomach Flip

Pisaster giganteus can push its stomach outside its body to digest prey, which helps them eat large or shelled animals.

能力

Sensory Search

Pisaster giganteus can sense chemicals in the water, which helps them detect prey like mussels from a distance.

サイズと詳細

長さ
10-30 cm
体重
0.5-3 kg
寿命
10-20 年
Top Speed
0.01 km/h

食性と食事

A slow but mighty hunter, this sea star feasts on shelled creatures like mussels and barnacles.

主な食物

  • mussels
  • barnacles
  • limpets
  • snails
  • tube worms

採餌方法

  • Foraging

生態系とのつながり

eats

California mussel

Mytilus californianus

They are a favorite prey for this sea star.

eats

Acorn barnacle

Balanus glandula

These sea stars pry open and digest barnacles.

eaten by

Sea otter

Enhydra lutris

Sea otters sometimes prey on sea stars.

eaten by

Western gull

Larus occidentalis

Gulls may eat sea stars exposed at low tide.

特徴

別名

Giant Sea StarPacific Sea Star

コレクション

安全性

危険度

1/5 · 非常に低い

Don't touch sea stars without asking an adult, as they need to stay in their ocean home.

よくある質問

Pisaster giganteusの長さは何ですか?

10-30 cm

Pisaster giganteusの体重は何ですか?

0.5-3 kg

Pisaster giganteusの寿命は何ですか?

10-20 年

Pisaster giganteusのtop Speedは何ですか?

0.01 km/h

Pisaster giganteusは何を食べますか?

A slow but mighty hunter, this sea star feasts on shelled creatures like mussels and barnacles.

Pisaster giganteusは通常どこに生息していますか?

Coastal areas

Pisaster giganteusはどのように狩りをしますか?

Foraging

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