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Fish prefer plastic junk food

fish-19873_1920A study published in Science offered Eurasian perch fry polystyrene plastic microparticles and they loved them. Even when offered natural foods like zooplankton, the perch gobbled up the plastics. The plastics seemed to inhibit egg development a bit, but the real stinker was that fish that were reared in a plastic-laden environment were not all that concerned with predators. They seemed to loose their fear of the smell of predators. This resulted in pike eating four times as many plastic-loving perch than the all natural ones. Researchers believe it is one particular chemical that is exciting the fish and making them think they are getting a highly nutritious meal.

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Baby Fish Prefer Plastic Over Natural Food

 

 

FN Rating:Fresh

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Even though it is bad news, it seems like good science.  It would be good to get more information on the effect on predators who are eating plastic fish.

 

Our favorite parts of this story

  • ” I think of it as unhealthy fast food for teenagers, and they are just stuffing themselves.” says study leader Oona Lönnstedt of Uppsala University   [FN Comment: Perhaps the microplastics are just like pot and the teenage fish are getting high and just not worrying about the predators, man.  Chill bro, pike happens. ]
  • Apparently some chemical is making the fish prefer plastic to real food. [FN Comment: They better hope Berkley does not get a hold of the recipe.]


Cross-Check

Bellies full of microplastic rob baby fish of their basic instincts
PBS NewsHour

Fish eat plastic like teens eat fast food, researchers say
Highly Cited-BBC New

Heist of EXPENSIVE fish

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Sheriff’s detectives are looking for two to three people who stole about $1.4 million dollars worth of koi from Green Vista Water Gardens. The thieves were selective, taking only the largest from many crates and ponds.

 

 

 

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 Clark County detectives want help in odd theft of hundreds of fish

FN Rating:Smells Fishy

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They said the fish were valued at $6,000 to $8,000 each. We are wondering if that was for the insurance company. If not, who the heck pays $8,000 for a goldfish?

 

Our favorite parts of this story

  • ” The colorful fish, valued at $6,000 to $8,000, were removed from display ponds and plastic crates, including Japanese koi and albino catfish”
  • “He suspects someone took the decorative fish used in ponds to resell them.”
  • “It’s unique enough I think that maybe somebody out there knows something.”


 Cross-Check

Police seek public’s help after koi, comet fish stolen from Newfoundland pond – this story said that fish from a pond in southeastern Newfoundland cost about $$2,500 each. What gives?


 

 

The Legendary Nut Cruncher

Pacu

by Nisamanee wanmoon CC

Oh it is back. Our favorite vegetarian run amok and causing headlines to explode.  It seems every six months or so a pacu is found in a lake or river and freaks people out with its “human-like teeth, piranha-like good looks, and notorious tendency to bite testicles. This time it was a California anglers who caught one in a pond in Petaluma, California, about 40 miles north of San Francisco. Problem is that the testicle part is false.

As Fish Nerds have pointed out, it was Peter Resk Moeller, of the Natural History Museum of Denmark, that cracked a joke to a reporter about male nude swimmers and the fact that pacu eat nuts. The reporter did not get the joke and it led to the story “Swedish men told to beware testicle-munching fish”. Well that went viral (duh), and Moeller admitted he was joking.

There are many species commonly called pacu from eight different genera. The are not the best for aquariums.  They grow huge and can survive in North America if released. People don’t like them in Buffalo Springs Lake in Texas where there is a $100 bounty on pacu.

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This fish may bite your balls off

FN Rating:Rotten

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The story is features the one myth that will not die and they did not set the record straight. The story also reports that the pacu cut the angler’s line. Probably not. Pacu teeth are more for grinding and crushing than cutting. We don’t doubt the line broke, but we don’t buy that it snipped with its dentures.

 

Our favorite parts of this story

  • ” a South American freshwater fish said to take bites out of men’s genitalia in Papua New Guinea “
  • “their presence in places such as Sweden has prompted warnings against swimming nude”
  • “are capable of cracking open tree nuts,”


 Cross-Check


by Omnitarian -wiki

 

These fish fancy a backdoor bungalow

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How This Fish Survives in a Sea Cucumber’s Bum

 

FN Rating: Fresh

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Sea cucumbers are not something you would want on a salad. They look like thick muscular tubes that live in the ocean and mostly filter feed. But their butts also are bed and breakfasts for a family of fish called ‘pearlfish”. Yep, guest junk in the trunk,  a trooper in the pooper, a sightseer in the rear, a stranger in the brown manger. Yong, the author, does a very good job of delivering the best bits of weird with the occasional wink at the crazy involved in this very weird relationship. He focuses on star pearlfish that are parasites, but some just hang around in the rear for a good nights sleep. Really we have nothing more to add.

Our favorite parts of this story

  • “a slender, eel-like fish swam out of the sea cucumber’s anus” – if we had a nickle for every time we heard that.
  • “14 pearlfish had evacuated the animal’s bum. . . Another one stayed inside”
  • “sea cucumbers breathe through their anuses”
  • “lung-like structure called the respiratory tree.”
  • “Some species just use the sea cucumbers as shelters. But the Encheliophis pearlfishes are full-blown parasites that devour their host’s gonads from within.”
  • “anal abodes”
  • “The mucus helps to lubricate them on their way into their hosts, but it also acts as a physical barrier against the toxic saponins.”


 Cross-Check


 

 

China Dead Fish Story Stinks in More Ways than One

 photo from AP (although Esquire listed Twitter)

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Nothing to See Here, Just 35 Tons of Dead Fish from a Chinese Lake

by Esquire 

 

FN Rating: Rotten fin-rotten


It seems a bunch of herring were swimming in a tidal river when they got sucked up by a pumping station and dumped into freshwater Hongcheng lake in Haikou, in China. Officials say the change salinity killed the fish, and we believe them because most herring will die if you just look at them funny.  The fish kill appears to be man-made, yet another reason not to dam rivers. The story did not name the fish, but based on the description, pictures, and our Google machines, we think the fish are Richardson’s sardinella (Sardinella richardsoni)

Our favorite parts of this story

  • “The fish were then incinerated so that locals could not sell them at market. ”  – From the real pictures of the event, the fish actually look pretty fresh.  maybe the city was just treating everyone to a 35 ton fish BBQ.  They also said that it was not a pollution issue, but now that they burned them it will just add to China’s air quality issues.
  • “They got sucked into a pumping system and dumped into the lake” – that literally sucks if you were the fish.
  • “Authorities claimed that salinity levels, not pollution, killed the fish” – too much sodium, not good for you.
  •   – this picture earned this story a FN Rotten score.  It  is actually of a guy scooping up dead fish in 2007 from a completely different lake. Note the species of carp in the net. Not dead herring. Plus these fish are way more rotten than the ones in they were picking up.


 Cross-Check

“white and yellow fish were members of the herring family”. – 35 Tons of Dead Fish Appear in China Lake, Time

Daily Mail UK had much better pictures:


 

 

Dead Guy Catches Giant Carp

courtesy of http://www.telegraph.co.uk/


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Fishermen Use Dead Friend’s Ashes to Catch 180-Pound Carp in His Memory

by 5:40 PM EDT, April 29, 2016

 


Two friends travel to Thailand to catch big fish, even though their friend died of cancer. To honor the dead friend, the mixed his ashes into boilies (carp dough balls) and caught a giant Siamese Carp (Catlocarpio siamensis)

Our favorite parts of this story

  • using the ashes of their dead friend they made a bait called “Purple Ronnie”.
  • 180-pound Siamese carp
  • “Tight lines Ron — I’m sure you will be looking down on us having good fishing on the best lake in the world.”


 Cross-Check

“. I wouldn’t be sad if some of my ashes ended up in a mako chum slick, or stuffed into a smallmouth tube and used to rip some lips on a buddy’s boat. “