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WorksheetsWeedy Seadragon
Total questions: 62
Worksheet time: 31mins
To what continent is the weedy seadragon endemic?
Asia
Oceania
Africa
South America
Which oceans does the weedy seadragon inhabit?
Indian
Pacific
Atlantic
Arctic
Are weedy seadragons sexually dimorphic?
No.
Yes, males are larger and lighter in color
Yes, females are larger and lighter in color.
How long can a weedy seadragon grow?
15 cm. / 6 in.
30 cm. / 12 in.
45 cm. / 18 in.
60 cm. / 24 in.
What color are the stripes along the weedy seadragon's upper body?
Blue
Red
Yellow
Green
Weedy seadragons have prehensile tails to clasp and anchor themselves to seaweed.
True
False
What color are weedy seadragon eggs?
Red
Blue
Yellow
White
What is the weedy seadragon's social system?
Social
Solitary
Social Males, Solitary Females
Solitary Males, Social Females
The weedy seadragon negatively affects humans.
True
False
The weedy seadragon promotes tourism.
True
False
Weedy seadragons are immobile.
True
False
What prevents weedy seadragons from being good swimmers?
Dermal Plates
Lack of Caudal Fin
Long Dorsal Fin
Ventral Fins
After the eggs have hatched, what is the parental investment of the weedy seadragon?
Maternal
Paternal
Maternal & Paternal
None
What is the survival rate of young weedy seadragons in captivity?
10%
30%
60%
90%
How many weedy seadragon offspring generally survive?
6-12
60-120
120-240
600-1,200
Seadragons, seahorses, and pipefish are the only species in which the male carries the eggs.
True
False
Which sex of weedy seadragon carries the eggs after fertilization?
Male
Female
Male & Female
Neither
How many broods will a weedy seadragon have each breeding season?
1
2
3
5
How many eggs do weedy seadragons lay?
12-25
120-250
250-500
1,200-2,500
How do weedy seadragons differ from leafy seadragons?
Rarity
Number of Appendages
Geographic Range
Conservation Status
What is an invasive species for the weedy seadragon?
Sea Urchin
Leafy Seadragon
Rock Lobster
Giant Kelp
The weedy seadragon is the marine emblem for which Australian state?
Victoria
New South Wales
Queensland
South Australia
What are the weedy seadragon's alternate names?
Common Seadragon
Lucas’ Seadragon
Ruby Seadragon
Leafy Seadragon
Where do weedy seadragons hold their eggs?
Neck
Tail
Fins
Mouth
What water temperature does the weedy seadragon prefer?
0-11°C / 32-52°F
12-23°C / 53-73°F
24-35°C / 75-95°F
36-47°C / 97-117°F
What water depth does the weedy seadragon prefer?
0-7 m. / 0-22 ft.
8-50 m. / 26-164 ft.
51-107 m. / 167-351 ft.
108-150 m. / 354-492 ft.
The weedy seadragon is exploited for the aquarium trade at high levels that are of conservation concern.
True
False
Researchers understand what biological or environmental factors trigger weedy seadragons to reproduce.
True
False
The weedy seadragon's reproductive strategies are well documented.
True
False
Weedy sedragon mating and pregnancies in captivity are common.
True
False
What is the weedy seadragon's diet?
Carnivore
Herbivore
Omnivore
What does the weedy seadragon eat?
Shrimp
Sea Urchin
Lobster
Kelp
How long can a weedy seadragon live?
1-3 Years
6-10 Years
12-16 Years
22-26 years
Depending on where they are found latitudinally, weedy seadragons can exhibit variable growth and survival rates.
True
False
The weedy seadragon is legally protected from exploitation and is subject to strict export controls.
True
False
There are species-specific conservation measures in place for the weedy seadragon.
True
False
What is the weedy seadragon listed on the IUCN Red List of Threatened Species?
Least Concern
Near Threatened
Vulnerable
Endangered
When do weedy seadragons reach sexual maturity?
1-2 Weeks
1-2 Months
1-2 Years
2-4 Years
When is the weedy seadragon breeding season?
July-January
February-June
Where do weedy seadragons breed later than usual?
Tasmania
Victoria
South Australia
Western Australia
Like other syngnathids, the weedy seadragon is a victim of bycatch and a target of traditional Chinese medicine.
True
False
What is the weedy seadragon's closest relative?
Ruby Seadragon
Leafy Seadragon
Common Seadragon
Lucas’ Seadragon
What attribute originated the weedy seadragon's name?
Leaf-Like Appendages
Kelp Habitat
Colorful Skin
Long, Thin Body
What is the weedy seadragon's primary defense mechanism?
Camouflage
Swimming Abilities
Venom
Spines
The weedy seadragon is the only member of its genus.
True
False
How many subspecies of weedy seadragons are recognized?
0
2
5
10
Weedy seadragons have teeth.
True
False
Weedy seadragons feed by way of suction.
True
False
In what marine habitat does the weedy seadragon reside?
Neritic
Oceanic
Intertidal
Coastal/Supratidal
Weedy seadragons have broad, overlapping home ranges that can vary in length.
True
False
There have been numerous range-wide population estimates made for the weedy seadragon.
True
False
What is the weedy seadragon's form of locomotion?
Other
Unguligrade
Digitigrade
Plantigrade
Weedy seadragons are great swimmers and are fast-moving.
True
False
What is the weedy seadragon's scientific name?
Phyllopteryx taeniolatus
Phyllopteryx dewysea
Phycodurus eques
Haliichthys taeniophorus
How does the loss of giant kelp affect the weedy seadragon?
Increases Water Temperature
Reduces Macroalgae
Reduces Competition
Reduces Oxygen
What system does the weedy seadragon inhabit?
Aquatic
Terrestrial
Aerial/Arboreal
Fossorial
What threatens the weedy seadragon?
Habitat Loss
Invasive Species
Bycatch
Pollution
What is the weedy seadragon's circadian rhythm?
Diurnal
Nocturnal
Cathemeral
Crepuscular
How long do weedy seadragons incubate their eggs?
2 Weeks
1 Month
2 Months
5 Months
Which of these are weedy seadragon tracks?
Which of these is a weedy seadragon?
Which of these is a weedy seadragon?
