Harmful algal blooms — HABs — can form any time of year in bodies of water but occur most often in late summer or early fall.

The marine microalgae responsible for the most devastating effects of the South Australian harmful algal bloom (HAB) has now been shown to be the most toxic species of its kind ever studied.

The dominant species in the algal bloom which devastated SA's coastline, Karenia cristata, is the most toxic of its kind studied, according to newly published research.

The New Mexico Environment Department on July 13 issued advisories for harmful algal blooms on state lakes, along with a map.

Harmful algal blooms continue to threaten coastal ecosystems and seafood safety worldwide. Among the organisms involved, the benthic dinoflagellate Prorocentrum lima is a known producer of diarrhetic ...

Archive photos show a sea of green in Florida. Harmful algal blooms are a "growing problem" in every "US coastal and Great Lakes state," NOAA states.

Volunteers surveyed more than 200 people who reported a range of symptoms during the algal bloom outbreak not represented in the SA government's health advice. A disability advocate says health ...

That fertilizer soaking into your lawn after a storm has to go somewhere, and where it ends up could be poisoning the lakes ...

Be careful around Carousel Lake,' health department warns - the north Cape Coral lake has a toxic algae bloom as of July 8.

Newly published research has confirmed the algae behind South Australia’s long‑running “catastrophic” coastal disaster is the ...

South Australia’s coastline continues to grapple with the effects of a toxic algal bloom, with thick sea foam and thousands ...

A North Jersey lake community continues to deal with the effects of harmful algal blooms during the unofficial start of the summer season.