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Marine invertebrates are invertebrate animals that live in marine habitats, and make up most of the macroscopic life in the oceans. It is a polyphyletic blanket term that contains all marine animals except the marine vertebrates , including the non- vertebrate members of the phylum Chordata such as lancelets , sea squirts and salps .
This is a list of various species of marine invertebrates, animals without a backbone, that are commonly found in aquariums kept by hobby aquarists. Some species are intentionally collected for their desirable aesthetic characteristics. Others are kept to serve a functional role such as consuming algae in the aquarium.
Sea anemones (/ ə ˈ n ɛ m. ə. n i / ə-NEM-ə-nee) are a group of predatory marine invertebrates constituting the order Actiniaria. Because of their colourful appearance, they are named after the Anemone, a terrestrial flowering plant. Sea anemones are classified in the phylum Cnidaria, class Anthozoa, subclass Hexacorallia.
Invertebrates cells fire in response to similar stimuli as mammals, such as tissue trauma, high temperature, or changes in pH. The first invertebrate in which a neuron cell was identified was the medicinal leech, Hirudo medicinalis. [14] [15] Learning and memory using nociceptors have been described in the sea hare, Aplysia.
The name "Anthozoa" comes from the Greek words άνθος (ánthos; "flower") and ζώα (zóa; "animals"), hence ανθόζωα (anthozoa) = "flower animals", a reference to the floral appearance of their perennial polyp stage. [1] Anthozoans are exclusively marine, and include sea anemones, stony corals, soft corals, sea pens, sea fans and ...
A deep-sea species of carnivorous sponge (Cladorhizidae) [6]Many Cnidarians. Sea pens. Renilla reniformis; Coral; Certain Jellyfish. Aequorea victoria; Atolla jellyfish; Helmet jellyfish
Dragonets are often mis-categorized as gobies or blennies by fish sellers. They are bottom-dwelling fish that constantly hunt tiny invertebrates for food. Most starve to death in a marine aquarium unless you provide a refugium or place for the invertebrates to reproduce safely without any fish being able to reach them. [57] [58]
Pages in category "Marine animals" The following 19 pages are in this category, out of 19 total. ... List of marine aquarium invertebrate species; C. Cnidaria ...