EntdeckenInvertebrate

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.

Lebensraum: Coastal areas

Aussehen

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.

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

Kategorie

Invertebrate

Seltenheit

Common

Gefahr

1/5 · Sehr gering

Snaps

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Interessante Fakten

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!

Besondere Fähigkeiten

Fähigkeit

Arm Regeneration

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

Fähigkeit

Sticky Steps

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

Fähigkeit

Stomach Flip

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

Fähigkeit

Sensory Search

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

Maße und Details

Länge
10-30 cm
Gewicht
0.5-3 kg
Lebenserwartung
10-20 Jahre
Top Speed
0.01 km/h

Ernährung und Fütterung

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

Hauptnahrung

  • mussels
  • barnacles
  • limpets
  • snails
  • tube worms

Nahrungssuche

  • Foraging

Ökologische Zusammenhänge

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.

Merkmale

Auch bekannt als

Giant Sea StarPacific Sea Star

Sicherheit

Gefahr

1/5 · Sehr gering

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

Häufig gestellte Fragen

Was ist der/die/das länge von Pisaster giganteus?

10-30 cm

Was ist der/die/das gewicht von Pisaster giganteus?

0.5-3 kg

Was ist der/die/das lebenserwartung von Pisaster giganteus?

10-20 Jahre

Was ist der/die/das top Speed von Pisaster giganteus?

0.01 km/h

Was frisst Pisaster giganteus?

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

Wo findet man Pisaster giganteus normalerweise?

Coastal areas

Wie jagt Pisaster giganteus?

Foraging

Snap-Karte

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Neueste Snaps

Neueste Snaps erscheinen hier, wenn neue Beobachtungen hinzukommen.

Wo zu sehen

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