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Jellyfish

Dermatological progression of a probable box jellyfish sting

06/09/2019

Unique report details dermatological progression and effective treatment of a severe jellyfish sting. sciencedaily.com, September 5, 2019. Summary: A detailed case report documents the dermatological progression of a patient stung by a jellyfish off the coast of Cambodia. The aim of this report is to guide clinicians and patients to understand what to expect after […]


A global review of shark and ray entanglement in anthropogenic marine debris, study

06/07/2019

Hundreds of sharks and rays tangled in plastic. eurekalert.org. July 04, 2019. Hundreds of sharks and rays have become tangled in plastic waste in the world’s oceans, new research shows. University of Exeter scientists scoured existing published studies and Twitter for shark and ray entanglements, and found reports of more than 1,000 entangled individuals. And […]


Molecular dissection of box jellyfish venom cytotoxicity highlights an effective venom antidote

04/05/2019

Deadly box jellyfish antidote discovered using CRISPR genome editing. sciencedaily.com. April 30, 2019. Pain researchers uncover secrets to box jellyfish venom. Summary: Researchers studying how pain works have discovered an antidote to the deadly sting delivered by the most venomous creature on Earth — the Australian box jellyfish. A single sting to a human causes […]


Trivia # 343: Clownfish

05/08/2016

Toxicological trivia from August 05, 2016: Clownfish or anemonefish are fishes from the subfamily Amphiprioninae in the family Pomacentridae. Thirty species are recognized: one in the genus Premnas, while the remaining are in the genus Amphiprion. In the wild, they all form symbiotic mutualisms with sea anemones. Depending on species, anemonefish are overall yellow, orange, […]


Trivia # 340: Starfish

08/07/2016

Toxicological trivia from July 08, 2016: Starfish or sea stars are star-shaped echinoderms belonging to the class Asteroidea. About 1,500 species of starfish occur on the seabed in all the world’s oceans, from the tropics to frigid polar waters. They are found from the intertidal zone down to abyssal depths, 6,000 meters below the surface. […]


Evolution of venomous cartilaginous and ray-finned fishes

05/07/2016

Researchers tally huge number of venomous fishes, tout potential for medical therapies. sciencedaily.com. July 05, 2016.  Summary:A new article catalogs instances of venomous aquatic life, for the first time showing that venom has evolved 18 separate times in fresh and saltwater fishes.Upon hearing the word "venom," most people probably think of a snake’s fang.Deep-sea one-jawed […]


A lionfish (Pterois miles) invasion has begun in the Mediterranean Sea

28/06/2016

Lionfish invading the Mediterranean Sea. sciencedaily.com. June 28, 2016. Rising temperatures, Suez Canal widening open the door to invasive species. Summary: Rising sea temperatures in the Mediterranean are encouraging alien lionfish species to invade and colonize new territories with potentially serious ecological and socioeconomic impacts.Rising sea temperatures in the Mediterranean are encouraging alien lionfish species […]


Heated Debates: Hot-Water Immersion or Ice Packs as First Aid for Cnidarian Envenomations?

20/04/2016

Heat trumps cold in the treatment of jellyfish stings.sciencedaily.com.  April 20, 2016.Summary: A recent study may finally put to rest the ongoing debate about whether to use cold or heat to treat jellyfish stings. Their systematic and critical review provides overwhelming evidence that clinical outcomes from all kinds of jellyfish stings are improved following treatment […]


Determination of palytoxins in soft coral and seawater from a home aquarium

18/01/2016

Toxins related to ‘red tides’ found in home aquarium. sciencedaily.com. January 13, 2016. Summary: Many shore residents and beach-goers are already familiar with the health risks of ‘red tide,’ algal blooms along coastlines that can trigger respiratory illness and other effects in people who inhale the toxins the algae release. Now scientists report new evidence […]



Hurricanes accelerated the Florida-Bahamas lionfish invasion, study

05/03/2015

Hurricanes helped accelerate spread of lionfish. sciencedaily.com. March 04, 2015. Summary: Just when you thought hurricanes couldn’t get any scarier, think again. Their names roll of the tongue like a rogues’ gallery: Floyd, Frances, Irene, Wilma and Andrew. But these aren’t the names of notorious criminals; rather, they are just a few of the hurricanes […]


Trivia # 273: Venom from sea anemones

18/02/2015

Toxicological Trivia from February 18, 2015: In the Trivia # 230 we mentioned that sea anemones are a group of water-dwelling, predatory animals of the order Actiniaria. They are named for the anemone, a terrestrial flower.  Sea anemones use venomous stinging tentacles to stun their prey, but one component of that venom is being used […]


Trivia # 244: Scorpaena scrofa

10/07/2014

Toxicological trivia from July 10, 2014: Scorpaena scrofa is the largest eastern Atlantic scorpion fish.Colouration ranges from brick-red to a light pink, and it has dark coloured blotches on its body. It has venomous spines, can achieve a maximum weight of approximately 3 kilograms (6.6 lb).It can grow to a maximum length of 50 centimetres […]


Effects of mosquito control insecticide toxicity on eastern oysters and hard clams, study

14/06/2014

NOAA scientists find mosquito control pesticide use in coastal areas poses low risk to juvenile oysters, hard clams. noaanews.noaa.gov. June 09, 2014, Climate stressors, however, increase risk to shellfish. Four of the most common mosquito pesticides used along the east and Gulf coasts show little risk to juvenile hard clams and oysters, according to a […]


Dangerous Irukandji box jellyfish blooms are predictable, study

16/05/2014

Forecast possible for Irukandji box jellyfish blooms. By Rebecca Morelle. bbcnwes. May 14,2014.The sudden arrival of huge blooms of box jellyfish can now be predicted, a study suggests. Researchers from Australia say that monitoring changes in ocean winds can help to establish where and when Irukandji jellyfish will strike.The study is published in the Journal […]


Trivia # 230: anemones

03/04/2014

Toxicological trivia from April 03, 2014: The phylum Coelenterata is an obsolete term encompassing two animal phyla, the Ctenophora (comb jellies) and the Cnidaria (coral animals, true jellies, sea anemones, sea pens, and their allies). Anemones is simple, radial, tentacled animals. These tentacles capture prey and have a small oval bearing cells called nematocysts able […]


Experts have found the first venomous crustacean that lives in underwater caves

23/10/2013

First venomous crustacean discovered. By Matt Kaplan. nature.com.  October 22, 2013. Cave-dwelling animal uses neurotoxin to kill prey and digest it before eating it. Scattered throughout Mexico and central America are pools where water surfaces from underground networks of caves, which the ancient Maya said were gateways to the underworld. Biologists have now found that […]


Sea anemones venom is being used by researchers to treat Multiple Sclerosis

03/08/2012

Sea anemones venom key to Multiple Sclerosis treatment. healthcanal.com. July 22, 2012. Sea anemones use venomous stinging tentacles to stun their prey, but one component of that venom is being used by researchers to treat the debilitating effects of Multiple Sclerosis (MS).A new class of drug treatment is about to commence clinical trials, as the […]


Sea anemones venom is being used by researchers to treat Multiple Sclerosis

03/08/2012

Sea anemones venom key to Multiple Sclerosis treatment. healthcanal.com. July 22, 2012. Sea anemones use venomous stinging tentacles to stun their prey, but one component of that venom is being used by researchers to treat the debilitating effects of Multiple Sclerosis (MS).A new class of drug treatment is about to commence clinical trials, as the […]


Conotoxin gene sequences from the genomic DNA of four closely related Conus species

29/03/2012

Slow snails, fast genes: Predatory snails refine venoms through continuous gene duplication. ns.umich.edu. Mar 29, 2012.By Jim Erickson. When tropical marine cone snails sink their harpoon-like teeth into their prey, they inject paralyzing venoms made from a potent mix of more than 100 different neurotoxins.Biologists have known for more than a decade that the genes […]


Conotoxin gene sequences from the genomic DNA of four closely related Conus species

29/03/2012

Slow snails, fast genes: Predatory snails refine venoms through continuous gene duplication. ns.umich.edu. Mar 29, 2012.By Jim Erickson. When tropical marine cone snails sink their harpoon-like teeth into their prey, they inject paralyzing venoms made from a potent mix of more than 100 different neurotoxins.Biologists have known for more than a decade that the genes […]


Jeremy Wade fished one of the world’s biggest and deadliest stingray in Paraná River

16/12/2011

Brit angler lands 20-stone stingray. thesun.co.uk. November 30, 2011. Brave Brit Jeremy Wade grappled with one of the world’s biggest and deadliest freshwater fish for four hours before reeling the whopper in.The 53-year-old caught the monster short-tailed stingray during a fishing trip to Argentina.The flat fish is one of the heaviest found in the world’s […]


Jeremy Wade fished one of the world’s biggest and deadliest stingray in Paraná River

16/12/2011

Brit angler lands 20-stone stingray. thesun.co.uk. November 30, 2011. Brave Brit Jeremy Wade grappled with one of the world’s biggest and deadliest freshwater fish for four hours before reeling the whopper in.The 53-year-old caught the monster short-tailed stingray during a fishing trip to Argentina.The flat fish is one of the heaviest found in the world’s […]



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