Invasive Aquatic Species Identification

The video, presented by Diane Olson, focuses on aquatic invasive species in Pennsylvania, highlighting their impact on ecosystems. It covers various invasive plants and animals, detailing their characteristics, origins, and the problems they cause. The video also provides prevention tips to avoid spreading these species, emphasizing the importance of responsible practices in water gardening, aquariums, and recreational activities.

What is the primary issue caused by invasive aquatic plants in Pennsylvania?

• They improve water quality.

• They form dense mats that disrupt ecosystems.

• They increase water temperature.

• They attract more fish.

Which invasive plant is known for its rosette-like floating leaves and sharp seeds?

• Didem o

• Parrot Feather

• Water Chestnut

• Hydrilla

What is a unique feature of the Parrot Feather plant?

• It grows spikes of bright green feathery leaves.

• It has edible seeds.

• It produces large flowers.

• It is native to North America.

How does Didem o, also known as Rock Snot, feel to the touch?

• Slimy

• Rough

• Smooth

• Cottony

What is a recommended practice to prevent the spread of aquatic invasive species?

• Release aquarium plants into local water bodies.

• Transport water from one lake to another.

• Clean and dry all gear before moving to a new watershed.

• Use invasive species as bait.

Which invasive fish is known for its aggressive nature and suction cup-shaped pelvic fin?

• Northern Snakehead

• Red Eared Slider

• Rusty Crayfish

• Round Goby

What unique ability does the Northern Snakehead possess?

• It can move over moist land to new ponds.

• It can fly short distances.

• It can change its color to camouflage.

• It can survive in saltwater.

Which turtle is identified by a broad reddish-orange patch behind its eyes?

• Yellow-Bellied Slider

• Red Eared Slider

• Rusty Crayfish

• Northern Snakehead

What is a distinguishing feature of the Rusty Crayfish?

• A fused pelvic fin

• Bright red spots on claws

• Dark rusty spots on the carapace

• Yellow stripes on the neck

What is the primary reason for the spread of the Red Swamp Crayfish?

• Natural migration

• Release from crawfish boils

• Climate change

• Predation by native species