Eccentric Sand Dollar
Eccentric Sand Dollar
dendraster excentricus
The Eccentric Sand Dollar has a unique star-shaped pattern on its shell that looks like a beautiful design! Kids love to find these treasures on the beach and learn about the ocean's secrets!
生息地: Sandy ocean floors along the Pacific Coast
外見
The Eccentric Sand Dollar is a flattened, disc-shaped echinoderm, typically grey to purple-brown. Its distinctive five-petal flower pattern is located off-center, making it visually unique among other sand dollar species.
界Animalia門Echinodermata綱Echinoidea目Echinolampadacea科Dendrasteridae属Dendraster
カテゴリ
Invertebrateレア度
Common
危険度
0/5 · 危険なし
スナップ
最初にスナップしよう！
おもしろい事実
A sand dollar's hard skeleton is called a 'test' – like a tiny suit of armor!
Sometimes, their 'flower' pattern looks like a dove when held to the light!
They can gather up to 60,000 tiny grains of sand to help them stay anchored!
They use microscopic hairs called cilia to move collected food towards their mouth!
特殊能力
能力
Quick Burrower
Eccentric Sand Dollar can quickly burrow into the sand using its short spines and tube feet, which helps them hide from predators.
能力
Food Collector
Eccentric Sand Dollar has tiny hairs called cilia on its spines that help them collect small food particles from the water column.
能力
Self-Righting
Eccentric Sand Dollar can use its spines and tube feet to flip itself over quickly if it gets overturned by ocean currents.
サイズと詳細
- Average Diameter
- 7.5 cm
- 寿命
- 10 年
- Average Thickness
- 1 cm
食性と食事
These marine invertebrates filter tiny bits of food from the water and sand to eat.
年齢による違い: null
主な食物
- diatoms
- algae
- detritus
- larval invertebrates
採餌方法
- Filter Feeding
生態系とのつながり
eaten by
Sunflower Sea Star
Pycnopodia helianthoides
A major predator of adult sand dollars in the Pacific Ocean.
eaten by
Dungeness Crab
Cancer magister
Crabs can crush their hard 'tests' to consume the soft tissue inside.
eaten by
Northern Anchovy
Engraulis mordax
Larval sand dollars are a common food source for small plankton-eating fish.
特徴
別名
DendrasterSea Cookie
コレクション
安全性
危険度
0/5 · 危険なし
まだ特別な安全上の注意はありません。
よくある質問
Eccentric Sand Dollarのaverage Diameterは何ですか？
7.5 cm
Eccentric Sand Dollarの寿命は何ですか？
10 年
Eccentric Sand Dollarは何を食べますか？
These marine invertebrates filter tiny bits of food from the water and sand to eat.
Eccentric Sand Dollarは通常どこに生息していますか？
Sandy ocean floors along the Pacific Coast
Eccentric Sand Dollarはどのように狩りをしますか？
Filter Feeding
Eccentric Sand Dollarのaverage Thicknessは何ですか？
1 cm
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