MUDSKIPPERS

Group: Dylan O’Brien

MUDSKIPPERS

Muhammad NazmiFiona ChimwemweShamil NafizLee Lin HuiDarryl Harvey

Content1. Trivial Facts About Mudskipper2. Our Site3. Body Parts and Adaptation4. Three Types of Mudskipper5. Reproduction and Life Cycle

i

3

A fish that can walk on land!

2

what can mudskipper do that m�t fish can’t?

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Able to see aerialview of its

surrounding!

Able to walk onland for a longperiod of time!

Able to climbtrees (but slowly)!

Able to jumpand hop at a

fast speed!

Can breath inwater and out of

water!

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Geographical distribution of mudskippers, other than Madagascar and the rest of East Africa.

TrivialTrivialfacts about mudskippers!

Taxonomy fam

ily

GobiidaeFamily

Mudskippers belongs tothe second largest family of

fish.

Diet CategoryBut don’t worry, it only

eats small organisms.

Number of Species

As of 2015, there are around

of Mudskipper. Thats small compared to:

34 discovered species

34

64

species of herons.

850species of crabs.

Number of Species

3450species of snakes.

3 Habitats of m

udskippers

tidal mudflat

mangrove swamp

nipa palm

amphibious lifestylemudskipper lives an

amphibious lifestyle

Mudskipper is one of the less known delicacy in China

Delicacy

Unique C

hara

cteristic

It requires both landand water to survive

Least ConcernLeast Concern meaning that it is not anendangered species

Mudskipper is classified as

Howevertheir population isslowly declining due tohabitat distruptionhabitat distruption

Mudflat erosion

Natural disaster (tsunami)

Human interference

Illegal deforestation

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Our SiteOur SiteMan-made brackish lake systemat Kuala Selangor Nature Park

Location: Topography:

Research and do observation aboutmudskippers and the ecosystem

Purp�e of Site Visit:

our site

1 meter

Clay soil

Mud (brackish water) Brackish Water

Brackish Water

llllllllllllllll

llllllllll

llllllllllllllllllllll

llllllllllllllllllllllllllllllllllllllllllllllllllllllllll

SalinityComparison

meter

Mostly flat - especially onthe mudflats.

Date of Visit:8 and 9 February 2015

The most important featureof brackish water is its

salinity of 0.05% to 3%(percentage of salt content in water)

Brackish water is essential

for mudskippers to live

This particular lake is slightly acidic which means its pH is <7

1 7 14

0.05

0

13

10

5

30(%)

Fres

hwat

er

B

rackis

h water

Sea water Brine water

drinkingwater

BalticSea

BlackSea

PacificOcean Red

Sea

Dead Sea

Important for mudskipper due to land and water cycle. Will die if they

lack either of the factors.

High de10-15cm water level

Low de0-2cm water level

What do we o�erve?types of animal:

Giant Mudskippers

“Normal sized” MudskippersBlue-spotted mudskipperGold-spotted mudskipper

Different Crabs

A mud-creeper(a type of gastropod)

Brackish Water

Brackish Water

Body PartsBody Partshow mudskipper carries their everyday �nction

Eyes

Dorsal Fins are generally closed but it will open if the mudskipper is being aggressiveor if it want to impress the female during mating season.

Pectoral Fins

walk Pectoral fins are muscular which enable it to walk on land unlike most fish whichuse it to swim underwater. Pectoral fins arealso for mudskipper to jump.Mouth

tongue

Mudskipper has an unusualway to eat by

sucking in its prey using ‘tongue’ made

out of water

eat and be eatene foodchaine

foodchain

did you know?

Mudskippers

cra�

worms

insects

Cannibalismsnakes

birds

Bigger mudskippershave been sighted

to eat their own,smaller kind.

Mudskipper eyes move independently of each other. Its also has aerialviews which can see360 degrees.When it is out of water, mudskippers retract their eyes beneath them to moisten them. It can also see above and below water simultaneously.

360 degrees.vision type:m

onocromatic ca

udal

fin

anal fin

Breathing

O2

IN WATERON LAND

Breath using gills like most fishes

2 ways to breath on land:Gills chamber is filled with water which allows them to use gills to breath on land.Breath through the skin if its moist and wet.

how do mudskippers adapt to its environment?

Am

phibiouslifestyle

Allows mudskipper to:Survive during lowtide

Survive in low �ygen waterOxygen�nd its prey on land delicious

3 types3 typesof mudskipper in Malaysia

characteristics:scientific name: Periophthalmodon schl�seri

Giant MudskipperGiant Mudskipper

Relatively large in sizeRear dorsal fin is darkFront dorsal fin is reddish-brownDark brown body color

scientific name: Boleophthalmus boddarti

Blue spotted MudskipperBlue spotted Mudskipper

Patterned body with diagonal rows of bold blue spotsSpiky second dorsal fin which makes it conspicuous.Highly territorial in nature

characteristics:

Gold spotted MudskipperGold spotted Mudskipper

scientific name: Periophthalmus chrys�pil�

Randomly scattered pale gold spots along eachside of its body.Body is light in color and its upper body is mediumgray.

characteristics:

3

Length comparisonhow big is the giant mudskipperLength comparison

(maximum length)

25cm

13cm

giant mudskipper

blue and gold spotted1

giant mudskipper isthe biggest mudskipper species

giant mudskipper isthe biggest mudskipper species

which one is the m�t common?Gold spotted MudskipperGold spotted Mudskipper

is the m�t common whereasBlue spotted MudskipperBlue spotted Mudskipper

is the least common species

ReproductionReproductionand life cycle of mudskippers

its mating season!Male’s body colors will brightenIt will do several jumps and flipsTheir dorsal fin will also spread

Purpose:Purpose: to scare of rivalsto impress females

its mating season! After the female is found themale will make a burrow.

The female will proceed to layeggs in it if she likes the burrow.

did you know?

Mudskipper usually makes the burrow on mudflatswhich has hypoxic water.

protection against prey.thermoregulation in whichthe mudskipper maintaintheir temperature.

Advantages:Advantages:

the male will continueto fertil�e the eggs whichwill form into a zygote and

then into an embryo

eg

gs is laid on air pocket

Life Cycle of Mudskipper

Life Cycle of Mudskipper

embryo

larvae

fertil�ed egg

j�eniles

adult

A ne

wly

fertil

ized egg / zy

gote Cells develop and formed embryo Larvae is hatched from

the eggs Further body developments

A fu

lly g

row

n m

udsk

ippe

r

Mudskipperswill only leaveits burrow whenit became adult.

did you know?

The malemudskippersdoes most of

the guarding of the eggs.

Average Lifespan of MudskipperMudskipper cansurvive for

5 yearson average

114

of human’saveragelifespan

3 timesof crab’saveragelifespan

80 times

that is;

of fly’saveragelifespan

13

of heron’saveragelifespan