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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?
0115FNBE
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!
0115FNBE
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
i
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