HAB Videos

Enter the microscopic world of algae with these videos of Chesapeake Bay species capable of producing toxic byproducts.


Alexandrium Chains

Long chains of Alexandrium monilatum from a York River water sample.

Alexandrium Planozygote

The sexual stage of Alexandrium monilatum formed by the fusing of gametes. © Bill Jones.

Cochlodinium polykrikoides

Cells of the dinoflagellate Cochlodinium polykrikoides. in motion. ©Bill Jones.

Chattonella subsalsa

Cells of the alga Chattonella subsalsa isolated from a water sample collected in Delaware Bay. ©Biil Jones.


Cells of the alga genus Dinophysis swimming and feeding. ©Biil Jones.

Algal Bloom in lower Chesapeake Bay

A bloom of the dinoflagellate Cochlodinium polykrikoides in the York River.

Harmful Algal Bloom

The chain-forming dinoflagellate Alexandrium monilatum from a bloom in the York River.

Bioluminescence by Kayak

Bioluminescence in the York River caused by a dense bloom of the alga Alexandrium monilatum.

York River Bioluminescence

Bioluminescence in the bow wake of a sailboat during an evening cruise on the York River.