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The red eft (juvenile) stage is a bright orangish-red, with darker red spots outlined in black. An eastern newt can have as many as 21 of these spots. The pattern of these spots differs among the subspecies. An eastern newt's time to get from larva to eft is about three months.
The regular form eft, now only used for newly metamorphosed specimens, survived alongside newt, especially in composition, the larva being called "water-eft" and the mature form "land-eft" well into the 18th century, but the simplex "eft" as equivalent to "water-eft" has been in use since at least the 17th century. [4]
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 ...
Toxic to cardio and central nervous systems, gastrointestinal bleeding [3] Ephedra: ma huang: Ephedra sinica: Agitation and palpitations, [3] "hypertension, irregular heart rate, insomnia, nervousness, tremors and seizures, paranoid psychosis, heart attacks, strokes, and death", [1] [15] kidney stones [15] Flavonoids (contained in many ...
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.
The hooded pitohui.The neurotoxin homobatrachotoxin on the birds' skin and feathers causes numbness and tingling on contact.. The following is a list of poisonous animals, which are animals that passively deliver toxins (called poison) to their victims upon contact such as through inhalation, absorption through the skin, or after being ingested.
2-amino-4,5-hexadienoic acid and possibly other toxic npAAs: liver & kidney Woodland Japan and Pacific Northwest: Amanita sphaerobulbosa Hongo: Asian abrupt-bulbed Lepidella 2-amino-4,5-hexadienoic acid and possibly other toxic npAAs: liver & kidney Mixed woodlands, eastern Asia Amanita subpallidorosea Qing Cai, Zhu L. Yang & Y.Y. Cui ...
Under favorable conditions, toxin-producing dinoflagellates such as K. brevis flourish and grow to high concentrations, an event termed a "harmful algal bloom" or a "HAB". While there are many different types of these HABs and the effects can vary, K. brevis is the causative agent of Florida Red Tides.