Yellowtail Coris

coris gaimard

The Yellowtail Coris (Coris gaimard) is a strikingly beautiful and active species of wrasse found throughout the Indo-Pacific's coral and rocky reefs. Renowned for its dramatic color transformations as it matures, this fish is a fascinating example of marine adaptation and biological plasticity. Juveniles exhibit a distinctly different appearance from adults, which can lead to misidentification, but both stages are vibrant additions to their reef ecosystems. Known for its foraging behavior, the Yellowtail Coris plays a crucial role in controlling populations of benthic invertebrates, contributing to the health and biodiversity of its marine habitat. Its ability to bury itself in the sand is a remarkable defensive mechanism, highlighting its resourcefulness in the dynamic underwater world.

生息地: This species primarily inhabits clear inner and outer reef slopes, lagoons, and rocky reefs, typically found over sandy or rubble bottoms near coral formations.

外見

Juvenile Yellowtail Coris are bright red-orange with three prominent white, black-edged saddles along their back and several smaller white spots on their body, along with large black spots on the dorsal fin. As they mature into adults, their coloration shifts dramatically to a predominantly blue-green body with numerous small, electric blue spots, a distinct bright yellow tail, and often a red streak or blotch behind the pectoral fin. The head often features intricate patterns of blue and green, and mature males tend to be larger and more vibrantly colored than females.

界Animalia門Chordata綱Actinopterygii目Labriformes科Labridae属Coris

Yellowtail Coris

カテゴリ

魚類

レア度

Common

危険度

1/5 · 非常に低い

スナップ

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おもしろい事実

As protogynous hermaphrodites, the largest and most dominant female in a group will often change sex to become the functional male if the existing male is removed or dies.

At night or when disturbed, Yellowtail Coris will quickly dive headfirst into the sand or rubble and remain buried until it's safe to emerge.

Juvenile Yellowtail Coris look so different from adults that they were once classified as a separate species, 'Coris pulcherrima'.

They possess prominent canine teeth and fused, plate-like teeth in the back of their jaws, perfectly adapted for crushing the shells of their hard-bodied prey.

特殊能力

Yellowtail Coris are sequential hermaphrodites, meaning all individuals are born female and later transition into males. This allows for complex social structures and reproductive strategies within their populations.

When threatened or seeking shelter for the night, the Yellowtail Coris can rapidly dive into the sand and bury itself completely. This behavior provides effective camouflage and protection from predators.

Undergoes a radical change in coloration and pattern from its juvenile stage to its adult stage. This significant visual transformation serves different ecological roles and camouflage needs at various life stages.

サイズと詳細

長さ: 10-60 cm
体重: 0.1-2.5 kg
寿命: 3-10 年
一度の産卵数: 10000-50000
抱卵期間: 2-5 日

食性と食事

The Yellowtail Coris primarily feeds on a variety of benthic invertebrates, with its diet changing as it matures. Juveniles target smaller, softer-bodied prey, while adults are equipped to crush hard-shelled organisms.

年齢による違い: Yes, juveniles feed on small invertebrates and plankton, while adults predominantly consume larger, harder-shelled invertebrates like crabs, sea urchins, and mollusks, utilizing their strong teeth.

主な食物

crabs
snails
sea urchins
small crustaceans
worms
bivalves

採餌方法

Foraging

生態系とのつながり

eaten by

Coral Grouper

Plectropomus maculatus

Larger predatory fish consume Yellowtail Coris.

hunts

Reef Crab

Etisus dentatus

Yellowtail Coris feed on various crustaceans.

hunts

Collector Urchin

Tripneustes gratilla

Yellowtail Coris consumes sea urchins, helping to control their populations.

eaten by

Giant Moray Eel

Gymnothorax javanicus

Moray eels often prey on reef fish, including wrasses.

特徴

このオブジェクトにはまだ特徴バッジが割り当てられていません。

別名

まだ別名はありません。

コレクション

テーマが追加されると、このオブジェクトのコレクションがここに表示されます。

安全性

危険度

1/5 · 非常に低い

まだ特別な安全上の注意はありません。

よくある質問

Yellowtail Corisを見分けるには？

Yellowtail Corisを識別する最も簡単な方法は、Snappit自然識別アプリを使用することです。

Yellowtail Corisの長さは何ですか？

10-60 cm

Yellowtail Corisの体重は何ですか？

0.1-2.5 kg

Yellowtail Corisの寿命は何ですか？

3-10 年

Yellowtail Corisは何を食べますか？

Yellowtail Corisは通常どこに生息していますか？

This species primarily inhabits clear inner and outer reef slopes, lagoons, and rocky reefs, typically found over sandy or rubble bottoms near coral formations.

Yellowtail Corisはどのように狩りをしますか？

Foraging

Yellowtail Corisの一度の産卵数は何ですか？

10000-50000