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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 ...
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 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 ...
Pacific sea nettles, Chrysaora fuscescens. Cnidaria (/ n ɪ ˈ d ɛər i ə, n aɪ-/ nih-DAIR-ee-ə, NY-) [4] is a phylum under kingdom Animalia containing over 11,000 species [5] of aquatic invertebrates found both in fresh water and marine environments (predominantly the latter), including jellyfish, hydroids, sea anemones, corals and some of the smallest marine parasites.
Black seadevils are small, deepsea lophiiform fish of the family Melanocetidae. The five known species (with only two given common names) are all within the genus Melanocetus. They are found in tropical to temperate waters of the Atlantic, Indian, and Pacific Oceans, with one species known only from the Ross Sea.
At the depths the oarfish live, there are few or no currents. As a result, they build little muscle mass and they cannot survive in shallower turbulent water. [18] The members of the family have a worldwide range, with tropical, subtropical, and warm temperate distributions. [19] The oarfish typically reside in the mesopelagic zone of the sea. [20]
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]
Casu Marzu is typically produced at the end of June when local sheep milk begins to change as the animals enter their reproductive time and the grass dries from the summer heat. The coastal town ...