Anthozoa

Coral

Varierer from centimeter til meter
Hundreds til thousands of år (colony)
Mange arter sårbare eller truet
Om

Coral

Coral reefs are the foundation of marine ecosystems worldwide and the Bahamas hosts the third-largest barrier reef system on Earth. These living organisms — colonies of tiny polyps — build massive calcium carbonate structures over thousands of years. Brain corals, elkhorn corals, and sea fans create complex underwater landscapes that support over 25% of all marine species.

Størrelse

Varierer from centimeter til meter (colony size)

Vekt

Varierer enormously

Levetid

Hundreds til thousands of år (colony)

Status

Mange arter sårbare eller truet

Hvor du finner dem

Beste dykkelokasjoner

Andros Barrier Reef, BahamasExuma Cays Land & Sea ParkGreat Barrier Reef, AustraliaRødehavet, EgyptMaldiveneRaja Ampat, IndonesiaFijiBelize Barrier ReefKaribien

Dykketips

Never touch or stand on coral — even light contact can kill decades of growth. Maintain excellent buoyancy and keep fins clear of the reef. Use reef-safe sunscreen. Night dives reveal coral polyps feeding, an extraordinary spectacle.

Beste sesong

Year-round, best visibility in winter months

Habitat

Shallow tropical and subtropical waters, typically less than 60 metres deep

Kosthold

Photosynthetic algae (zooxanthellae) and plankton captured by polyps
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Morsomme fakta

1

Coral reefs support about 25% of all known marine species

2

The Andros Barrier Reef in the Bahamas is the third-largest in the world

3

Coral can reproduce both sexually and asexually

4

Some coral colonies are over 4,000 years old — older than the pyramids

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