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Cyanobacteria (blue-green algae) bloom on Lake Erie (United States) in 2009. These kinds of algae can cause harmful algal bloom. A harmful algal bloom (HAB), or excessive algae growth, sometimes called a red tide in marine environments, is an algal bloom that causes negative impacts to other organisms by production of natural algae-produced toxins, water deoxygenation, mechanical damage to ...
The sighting was of a female crayfish walking with her young at Lake Balboa in Los Angeles, according to the U.S. Fish and Wildlife Service. More: 6 animals that mate for life: See the enduring ...
They often live in colonial aggregates that can take on a multitude of forms. [24] Of particular interest are the filamentous species , which often dominate the upper layers of microbial mats found in extreme environments such as hot springs , hypersaline water , deserts and the polar regions, [ 25 ] but are also widely distributed in more ...
The tiger shark is considered to be one of the most dangerous sharks to humans. [1] Although it is found in the Red Sea it is not usually seen near reefs during the daytime. The Grey reef shark is territorial and may be aggressive, and has been involved in non-fatal attacks on divers.
Life flourishes around the vents - including giant tubeworms reaching lengths of 10 feet (3 meters), mussels, crabs, shrimp, fish and other organisms beautifully adapted to this extreme environment.
The Asian sheephead wrasse, as the common name indicates, is a wrasse, and thus is in the family Labridae.It has long been placed in the genus Semicossyphus, along with the California and goldspot sheephead wrasses, [2] [3] [4] but a 2016 molecular phylogenetics study suggested that it (along with its two congeners in Semicossyphus) be moved to Bodianus, as Semicossyphus was nested deep within ...
Animal sentinels must have measurable responses to the hazard in question, whether that is due to the animal's death, disappearance, or some other determinable aspect. [1]: 34 Many of these species are ideally unendangered and easy to handle. It is important that the species' range overlap with the range being studied. [15]
Omega-3 fish oil has a checkered record when it comes to heart benefits. Here’s the latest on the supplement. Why Fish Oil Supplements Can Be Dangerous for the Heart