Areas of dead coral are usually colonized rapidly by algae and often are later colonized by sponges and soft corals.

一片区域的珊瑚死去后，那里通常很快就会被海藻占领，之后又会被海绵和软珊瑚占领。

youdao

Soft corals do not form reefs, but may be present in a coral reef ecosystem.

软的珊瑚不能形成礁。但是在珊瑚生态系统也是有可能存在的。

youdao

It boasts plenty of brightly coloured sea fans, soft corals and barrel sponges.

它拥有大量的色彩鲜艳的海上球迷，软珊瑚和海绵桶。

youdao

Soft corals do not form reefs, but may be present in a coral reef ecosystem.

VOA: special.2010.08.10

They have also discovered hundreds of species of soft corals and deep-sea corals.

VOA: special.2010.08.10

Lapus Lapus Island, an easy dive for beginners, has variegated soft corals, spiny lionfish and rainbow-coloured nudibranches (molluscs).

BBC: Swimming with sharks in the Philippines

Coral reef: complex tropical marine ecosystem dominated by soft and stony (hard) corals, anemones and sea fans.

UNESCO: L O S S A R Y