---
title: Mudskippers are fish of mangrove swamps that skip across the mud on… — Swamps, marshes, mangroves and bogs · tree and pragmatics
description: Mudskippers are fish of mangrove swamps that skip across the mud on their fins; they keep water in their gill chambers and breathe through their wet skin, so they can stay out of water for hours. Who acts: Mudskippers, mangrove swamps. A sentence of the lesson «Swamps, marshes, mangroves and bogs» o
---

<!-- md -->
[Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/biology/11-swamps-marshes-mangroves-and-bogs/14/)

<!-- crumbs -->
[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/) / [Swamps, marshes, mangroves and bogs](https://md.mova.elamur.ai/free/en/corpora/school/biology/11-swamps-marshes-mangroves-and-bogs/) / 14

# Swamps, marshes, mangroves and bogs, sentence 14

<!-- .ven lang=en -->
Mudskippers are fish of mangrove swamps that skip across the mud on their fins; they keep water in their gill chambers and breathe through their wet skin, so they can stay out of water for hours.

<!-- .vintro -->
**Who acts:** Mudskippers, mangrove swamps · **What happens:** be, skip, keep, breathe, stay out · **To what, where:** fish, mud, water, gill chambers, wet skin

<!-- .vabout -->
This is a sentence of the lesson «Swamps, marshes, mangroves and bogs» of the biology course of Mova's primary school. The page gives its syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause: who acts (Mudskippers, mangrove swamps), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:011-swamps-marshes-mangroves-and-bogs.lesson:14
# text = Mudskippers are fish of mangrove swamps that skip across the mud on their fins; they keep water in their gill chambers and breathe through their wet skin, so they can stay out of water for hours.
# source = school lesson (ours)
# course = biology
# lesson = 011-swamps-marshes-mangroves-and-bogs.lesson
# annotation = Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): R8-pos-agree ×1
1	Mudskippers	mudskipper	NOUN	NNS	Number=Plur	3	nsubj	_	_
2	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	3	cop	_	_
3	fish	fish	NOUN	NNS	Number=Plur	0	root	_	_
4	of	of	ADP	IN	_	6	case	_	_
5	mangrove	mangrove	NOUN	NN	Number=Sing	6	compound	_	_
6	swamps	swamp	NOUN	NNS	Number=Plur	3	nmod	_	_
7	that	that	PRON	WDT	PronType=Rel	8	nsubj	_	_
8	skip	skip	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	6	acl:relcl	_	_
9	across	across	ADP	IN	_	11	case	_	_
10	the	the	DET	DT	Definite=Def|PronType=Art	11	det	_	_
11	mud	mud	NOUN	NN	Number=Sing	8	obl	_	_
12	on	on	ADP	IN	_	14	case	_	_
13	their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	14	nmod:poss	_	_
14	fins	fin	NOUN	NNS	Number=Plur	8	obl	_	_
15	;	;	PUNCT	,	_	17	punct	_	_
16	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	17	nsubj	_	_
17	keep	keep	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	8	conj	_	_
18	water	water	NOUN	NN	Number=Sing	17	obj	_	_
19	in	in	ADP	IN	_	22	case	_	_
20	their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	22	nmod:poss	_	_
21	gill	gill	NOUN	NN	Number=Sing	22	compound	_	_
22	chambers	chamber	NOUN	NNS	Number=Plur	17	obl	_	_
23	and	and	CCONJ	CC	_	24	cc	_	_
24	breathe	breathe	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	17	conj	_	Agree=R8-pos-agree|Haiku=17:conj|HaikuPos=VERB:VB:Mood=Sub|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin
25	through	through	ADP	IN	_	28	case	_	_
26	their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	28	nmod:poss	_	_
27	wet	wet	ADJ	JJ	Degree=Pos	28	amod	_	_
28	skin	skin	NOUN	NN	Number=Sing	24	obl	_	_
29	,	,	PUNCT	,	_	33	punct	_	_
30	so	so	ADV	RB	_	33	advmod	_	_
31	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	33	nsubj	_	_
32	can	can	AUX	MD	VerbForm=Fin	33	aux	_	_
33	stay	stay	VERB	VB	VerbForm=Inf	8	conj	_	_
34	out	out	ADP	IN	_	36	case	_	_
35	of	of	ADP	IN	_	36	case	_	_
36	water	water	NOUN	NN	Number=Sing	33	obl	_	_
37	for	for	ADP	IN	_	38	case	_	_
38	hours	hour	NOUN	NNS	Number=Plur	33	obl	_	_
39	.	.	PUNCT	.	_	3	punct	_	_
```

## Pragmatics {#pragmatics}

<!-- .note -->
No stored speech act for this sentence.

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | present | Mudskippers | fish |  |  |  | of mangrove swamps | tree rules |
| 2 | **skip** | present | mangrove swamps |  |  | the mud |  | on fish's fins | vn run-51.3.2-2 «NP V PP.location»: agent=Theme across mud=Trajectory |
| 3 | **keep** | present | mudskippers *= mudskipper* | water |  | fish's gill chambers |  |  | vn keep-15.2 «NP V NP PP.location»: agent=Agent water=Theme in chamber=Location |
| 4 | **breathe** | present | mudskippers *= mudskipper* *not said here* |  |  | fish's wet skin |  |  | vn breathe-40.1.2-1 «NP V»: agent=Agent |
| 5 | **stay out** | can | mudskippers *= mudskipper* | water |  |  | hour |  | vn lodge-46 «NP V ADV»: agent=Theme water=Location |

<!-- .note -->
One row per clause the reader finds. «not said here»: a role filled from the clause above. «roles by»: a VerbNet class and frame when one fits the verb, else the reader's rules on the tree.

<!-- div src -->

**Licence: [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/)**, as the whole of Mova corpus 0.4, of which this treebank (the agreed school, `mova-school-agreed-en.conllu`) is part. The lessons were written for Mova's primary school. Sentence `school:biology:011-swamps-marshes-mangroves-and-bogs.lesson:14`.

**The tree:** Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): R8-pos-agree ×1. **The frames** are read from the tree by Mova's frames reader (`prag`) when this page is built, the lesson read in order, so a pronoun may be resolved from an earlier sentence.

See the [release 0.4](https://md.mova.elamur.ai/free/en/releases/0.4/).

<!-- /div -->

<!-- pn -->
- ← previous: [Swamps, marshes, mangroves and bogs, 13](https://md.mova.elamur.ai/free/en/corpora/school/biology/11-swamps-marshes-mangroves-and-bogs/13/)
- next →: [Swamps, marshes, mangroves and bogs, 15](https://md.mova.elamur.ai/free/en/corpora/school/biology/11-swamps-marshes-mangroves-and-bogs/15/)
- ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/biology/11-swamps-marshes-mangroves-and-bogs/)

