1, green algae: its algae body is grass green, and it has more than 6,000 species in height, a few of which are developed in seawater and a few are developed on rocks.

2. Red algae: It is generally developed on land, and there are many species. The algae are rose red and purple red, and some of them are dark red. Many red algae have a good economic cost.

3, brown algae: This is what we usually call kelp, which is edible seaweed. It is flat and strip-shaped, sometimes the length can reach about 20m, and it is brown.

Second, mangroves

It is a tree species that grows in the sea, with different heights, and occasionally the height can reach about 5 m. Their roots are well developed and very prosperous, and they have a green crown, which will be swallowed up at low tide and only reveal the crown on the sea.

Iii. seaweed

Everyone knows seaweed, which is an angiosperm that grows on the sea water, and its root system is also very prosperous, which can well maintain the benthic organisms. It is similar to many terrestrial plants, and it is difficult to live without the sun.

Squid, Squid, Blue Whale, Killer Whale, Blue-ringed Octopus, Humpback Whale, Sperm Whale, Dolphin, Manatee, Walrus, Sea Lion, Sea Dog, Sea Cucumber, Monkeys, mantis shrimp, Clownfish, Swordfish, Tuna? ? ? ? Fish, tiger shark, whale shark, great white shark, black fin white-eyed shark, reticulated cat sand shark, narwhal.