Coelenterates are numerous, as many as 10,000 species, the vast majority of which live in the ocean, and only a few live in fresh water. The intestinal phyla is also called the phytophthora, mainly

coelenterate

Coelenterates are numerous, as many as 10,000 species, the vast majority of which live in the ocean, and only a few live in fresh water.

The phyla coelenterate is also called the phylum of spiny cells, mainly because most of the animals in this phylum have obvious tentacles, and there are groups of spike cells growing on the tentacles, and once they encounter prey, the stinging cells will protrude into the prey with toxic spines to help hunt.

These large numbers of coelenterates, mostly umbel-shaped or bell-shaped, are divided into three classes: Hydrozoa, Scyphozoa, and Anthozoa.

Class Hydrozoa, also known as hydropod jellyfish (scientific name Hydrotoomedusa), is a general order of hydra of the echinozoa phylum Hydra, which includes all jellyfish, hydra and corals.

Scyphozoa (Scyphozoa) main form of life for monomer jellyfish, many things large jellyfish, but also many in the form of larvae, it is worth mentioning that lamp jellyfish, swimming jellyfish, black umbrella jellyfish and brown jellyfish 4 genera have luminous ability, very interesting. Compared with the hydra, these animals have a well-developed gastric system and are therefore much larger.

Actinozoa, also known as "flowerworms". Polyps, though much like plants, are carnivores that feed on small crustaceans, fish, and other small animals with their tentacles. According to the arrangement of tentacles and diaphragms, the extant species of this order can be divided into two suborders: eight-ample coral and six-ample coral.

#Intestinal flora ##Hydra#Bowl Jellyfish##Polyps ##水母 #