--- title: Finding Nemo: real clownfish and sea anemones — a lesson of Mova's school · trees and pragmatics description: «Finding Nemo: real clownfish and sea anemones», a lesson of the biology course of Mova's primary school, sentence by sentence with dependency trees and pragmatics. It begins: Clownfish really do live inside sea anemones, whose waving tentacles are full of stings that kill other small fish. --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/biology/132-finding-nemo-real-clownfish-and-anemones/) [home](https://md.mova.elamur.ai/free/en/) / [corpora](https://md.mova.elamur.ai/free/en/corpora/) / [school](https://md.mova.elamur.ai/free/en/corpora/school/) / [Biology](https://md.mova.elamur.ai/free/en/corpora/school/biology/) / Finding Nemo: real clownfish and sea a… # Finding Nemo: real clownfish and sea anemones Lesson 132 of the biology course of Mova's primary school: 15 sentences, each with its syntax tree and pragmatics. The lessons are written for Mova, and their agreed trees are part of Mova corpus 0.4 (CC BY-SA 4.0). How Mova does on its tests: [the lesson at school](https://md.mova.elamur.ai/free/en/school-run/biology/132-finding-nemo-real-clownfish-and-anemones/). - [0](https://md.mova.elamur.ai/free/en/corpora/school/biology/132-finding-nemo-real-clownfish-and-anemones/0/) — Clownfish really do live inside sea anemones, whose waving tentacles are full of stings that kill other small fish. - [1](https://md.mova.elamur.ai/free/en/corpora/school/biology/132-finding-nemo-real-clownfish-and-anemones/1/) — A clownfish is safe because a layer of slimy mucus covers its skin, and it touches the anemone carefully at first while its mucus slowly changes, until the stings stop firing at it. - [2](https://md.mova.elamur.ai/free/en/corpora/school/biology/132-finding-nemo-real-clownfish-and-anemones/2/) — It is a good deal for both: the anemone keeps the clownfish safe from bigger fish, and the clownfish cleans the anemone and chases off fish that would nibble it. - [3](https://md.mova.elamur.ai/free/en/corpora/school/biology/132-finding-nemo-real-clownfish-and-anemones/3/) — Real clownfish families are stranger than the film: the biggest fish is the mother, and if she is lost, the father turns into a female, so a real Marlin would have become Nemo's new mum. - [4](https://md.mova.elamur.ai/free/en/corpora/school/biology/132-finding-nemo-real-clownfish-and-anemones/4/) — A sea anemone looks like a flower but is an animal, a relative of jellyfish and corals, that catches small animals with stinging tentacles and pushes them into a mouth in its middle. - [6](https://md.mova.elamur.ai/free/en/corpora/school/biology/132-finding-nemo-real-clownfish-and-anemones/6/) — Real clownfish spend nearly all their lives within a few metres of their anemone, because leaving its tentacles is dangerous for a small fish. - [7](https://md.mova.elamur.ai/free/en/corpora/school/biology/132-finding-nemo-real-clownfish-and-anemones/7/) — Clownfish lay eggs on a rock beside their anemone, and the father fans and guards them, which keeps fresh water with oxygen flowing over them; they hatch in about a week, usually at night. - [8](https://md.mova.elamur.ai/free/en/corpora/school/biology/132-finding-nemo-real-clownfish-and-anemones/8/) — Newly hatched clownfish drift in the open sea as tiny larvae for about one or two weeks, then find a reef by its smell and crackling sound and swim to it. - [9](https://md.mova.elamur.ai/free/en/corpora/school/biology/132-finding-nemo-real-clownfish-and-anemones/9/) — Fish can live with an uneven fin from birth or injury and swim with their other fins and tail, and many fish can regrow damaged fins. - [10](https://md.mova.elamur.ai/free/en/corpora/school/biology/132-finding-nemo-real-clownfish-and-anemones/10/) — There are about 30 kinds of clownfish: some orange with white stripes, others dark, pink or striped differently, and each lives with particular kinds of anemones. - [12](https://md.mova.elamur.ai/free/en/corpora/school/biology/132-finding-nemo-real-clownfish-and-anemones/12/) — In a clownfish group the biggest fish is the female and the next biggest is the male; if the female is lost, the male becomes a female and the next fish becomes the male. - [13](https://md.mova.elamur.ai/free/en/corpora/school/biology/132-finding-nemo-real-clownfish-and-anemones/13/) — After the film many clownfish were taken from reefs for pet tanks, which left too few to lay eggs in some wild groups; most clownfish sold in shops today are bred in tanks. - [14](https://md.mova.elamur.ai/free/en/corpora/school/biology/132-finding-nemo-real-clownfish-and-anemones/14/) — Coral reefs are built by tiny animals called coral polyps that make hard homes of limestone, and tiny algae living inside the coral give it food and colour. - [15](https://md.mova.elamur.ai/free/en/corpora/school/biology/132-finding-nemo-real-clownfish-and-anemones/15/) — When the sea gets too warm, coral throws out its algae and turns white, which is called bleaching. - [16](https://md.mova.elamur.ai/free/en/corpora/school/biology/132-finding-nemo-real-clownfish-and-anemones/16/) — The Great Barrier Reef off Australia is the biggest coral reef system in the world, about 2,300 kilometres long, made of thousands of reefs and islands. - ← previous: [Ice Age: real sabre-tooths, ground sloths, glyptodonts and dodos](https://md.mova.elamur.ai/free/en/corpora/school/biology/131-ice-age-sabre-tooths-ground-sloths-and-scrat/) - next →: [Finding Nemo: real blue tangs, sea turtles and reef creatures](https://md.mova.elamur.ai/free/en/corpora/school/biology/133-finding-nemo-dory-turtles-and-the-reef/) - ↑ back to [Biology](https://md.mova.elamur.ai/free/en/corpora/school/biology/)