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bluefete
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Trinidadian Guppies Have Personalities

Postby bluefete » September 25th, 2017, 8:02 pm

Fish have PERSONALITIES: Guppies have 'complex' characters, and some are much braver than others

By Phoebe Weston For Mailonline

Published: 10:36 BST, 25 September 2017 | Updated: 10:37 BST, 25 September 2017

They may not show it, but fish have complex personalities, research suggests.

The discovery was made by scientists studying individual traits in tiny fish called Trinidadian guppies.

When they looked how the fish behaved in different situations, they found complex variations and modes of behaviour that could not simply be explained as risk-taking or risk-averse.

Image
Researchers found complex variations and modes of behaviour that could not simply be explained as risk-taking or risk-averse. Pictured is a mock-up image showing a Trinidadian guppy (the small fish), a blue acara cichlid and a model of a heron

It had been thought fish such as guppies had a ‘simple spectrum’ of responses - but this study shows otherwise.

'The idea of a simple spectrum is often put forward to explain the behaviour of individuals in species such as the Trinidadian guppy', said lead researcher Dr Tom Houslay from the University of Exeter.

'But our research shows that the reality is much more complex.

'For example, when placed into an unfamiliar environment, we found guppies have various strategies for coping with this stressful situation', he said.

The study, published in the journal Functional Ecology, looked at the behaviour of guppies in conditions designed to cause varying levels of stress.

Mild stress was caused by transferring fish individually to an unfamiliar tank, and higher levels of stress by showing them models of predatory birds or fish.

'Many attempt to hide, others try to escape, some explore cautiously, and so on', said Dr Houslay.

'The differences between them were consistent over time and in different situations.

'So, while the behaviour of all the guppies changed depending on the situation - for example, all becoming more cautious in more stressful situations - the relative differences between individuals remained intact.'

Image
When they looked how guppies (pictured, stock image) behaved in different situations, they found complex modes of behaviour that could not be explained as risk-taking or risk-averse

The presence of predators had an effect on 'average' behaviour, making all the guppies more cautious.

But individuals still retained their distinct personalities.

Professor Alastair Wilson, another member of the CEC team, said: 'We are interested in why these various personalities exist, and the next phase of our research will look at the genetics underlying personality and associated traits.

'We want to know how personality relates to other facets of life, and to what extent this is driven by genetic, rather than environmental, influences.

'The goal is really gaining insight into evolutionary processes, how different behavioural strategies might persist as species evolve.'

Read more: http://www.dailymail.co.uk/sciencetech/ ... z4tjq8XAEi

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meccalli
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Re: Trinidadian Guppies Have Personalities

Postby meccalli » September 25th, 2017, 8:13 pm

Anybody who's ever owned pet fishes knows this, or any other type of animal for that matter. Each animal is as unique as an individual as you or I am.
https://news.utexas.edu/2001/08/01/nr_gosling

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Re: Trinidadian Guppies Have Personalities

Postby crazybalhead » September 26th, 2017, 7:08 pm

Allyuh know the name guppy is after a trini family from mayaro right?

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Re: Trinidadian Guppies Have Personalities

Postby meccalli » September 26th, 2017, 7:12 pm

^ Had no idea, knew they were indigenous though.

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Re: Trinidadian Guppies Have Personalities

Postby cosmo » September 26th, 2017, 8:27 pm


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QuietGiant
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Re: Trinidadian Guppies Have Personalities

Postby QuietGiant » September 27th, 2017, 1:37 pm

meccalli wrote:Anybody who's ever owned pet fishes knows this, or any other type of animal for that matter. Each animal is as unique as an individual as you or I am.
https://news.utexas.edu/2001/08/01/nr_gosling



THIS. They're all different personalities no matter the pet, captive or not. Some people brain can't get past the 'oh it die? just buy another one!' mentality.

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Re: Trinidadian Guppies Have Personalities

Postby QuietGiant » September 27th, 2017, 1:43 pm

Guppies really brave, i have a crayfish in the same tank & he does just hang around it. Soldier rel brave yes. Only other fish the crayfish afraid of is the cichlid lol.

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Re: Trinidadian Guppies Have Personalities

Postby Monkey Man » September 27th, 2017, 1:44 pm

how them guppy looking so colorful?

all the guppy i ever play with in the drain by me was black black.

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Re: Trinidadian Guppies Have Personalities

Postby sMASH » September 27th, 2017, 1:59 pm

News flash: living creatures don't operate like robots

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Re: Trinidadian Guppies Have Personalities

Postby RedVEVO » September 27th, 2017, 2:43 pm

Monkey Man wrote:how them guppy looking so colorful?

all the guppy i ever play with in the drain by me was black black.


PNM guppy ..

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Re: Trinidadian Guppies Have Personalities

Postby timelapse » September 27th, 2017, 3:21 pm

I had 3 guppies murder a baby goldfish about a month back.It was scary as hell

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Re: Trinidadian Guppies Have Personalities

Postby meccalli » September 27th, 2017, 4:40 pm

Monkey Man wrote:how them guppy looking so colorful?

all the guppy i ever play with in the drain by me was black black.

Selective breeding.
This is what a wild goldfish looks like.
Image

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Re: Trinidadian Guppies Have Personalities

Postby sMASH » September 28th, 2017, 7:34 pm

That's pretty. Didn't they derive from carp ?

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Re: Trinidadian Guppies Have Personalities

Postby meccalli » September 28th, 2017, 7:47 pm

sMASH wrote:That's pretty. Didn't they derive from carp ?

It is a carp.
https://en.wikipedia.org/wiki/Cyprinidae

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Re: Trinidadian Guppies Have Personalities

Postby lostboys crew » September 28th, 2017, 11:53 pm

Image
Last set of guppies I had all dead now.

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Re: Trinidadian Guppies Have Personalities

Postby INHUMAN » September 29th, 2017, 12:45 am

Guppie know who fi frighten

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Sōsuke Aizen
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Re: Trinidadian Guppies Have Personalities

Postby Sōsuke Aizen » September 29th, 2017, 1:43 am

Know how long I want to start back mining fish.. I think I might get about 50 guppy and put them in a cut 1000 gallon tank and do some experiments on em 8-)

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Re: Trinidadian Guppies Have Personalities

Postby ruffneck_12 » September 29th, 2017, 9:43 am

sMASH wrote:News flash: living creatures don't operate like robots



whaaaaaat?! :shock:

what next? they gonna need food and water too?

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