Fish in
the
News.
Each
week the
Bailey
Brothers
start
the Pet
Fish
Talk
Show
with
some fun
and
interesting
stories
about
fish in
the
news.
A Discus Fish tending to a batch of its eggs.
Photo credit to the North American Discus Association, a collection of discus enthusiasts, hobbyists and breeders who are interested in the advancement of our hobby, through education and improvements in the quality of the fish we keep and breed. Our goal is to educate the general public, encourage new members, provide information on the discus hobby and promote discus at fish shows. Click here to learn more about the NADA.
A Rare Blue Lobster
caught last weekend by Steve Hatch and his uncle Robert Green was spared from being cooked and ripped apart on a plate because of its color. The 1 1/2 -pound clawed creature is bright blue, the result of an extremely rare genetic mutation. It turned up Sunday morning in one of Hatch and Green's lobster traps at the mouth of the Thames River in Connecticut. It now lives in the Mystic Aquarium and Institute for Exploration, where it will live out its days in an elementary school classroom for children to learn about.
In Tokyo, Japan,
Rare Giant
Manta born in
Japan aquarium.
What is believed
to be the first
giant manta
ray born in
captivity has
arrived at a
southern Japanese
aquarium, the
facility said
Sunday, 0617/2007.
The baby manta,
a female, was
born late Saturday
in a huge fish
tank at the
Okinawa Churaumi
Aquarium, more
than a year
after its parents
mated, the aquarium
said in a statement
posted Sunday
on its Web site.
Click on the
arrowhead ►
in the image
shown just above
to start the
video, showing
the birth of
the baby manta,
which is rolled
up like a tube
and sliding
out of the mother
manta, then
the baby quickly
spreads its
fins and begins
to swim. Click
here to
read more. A
special thank
you to Jason
for the link
to this story.
In New London,
Connecticut,
A Rare Blue
Lobster Found
in River Avoids
the Cooker.
A lobster caught
last weekend
by Steve Hatch
and his uncle
Robert Green
was spared from
being cooked
and ripped apart
on a plate because
of its color.
The 1 1/2 -pound
clawed creature
is bright blue,
the result of
an extremely
rare genetic
mutation. It
turned up Sunday
morning in one
of Hatch and
Green's lobster
traps at the
mouth of the
Thames River.
"I've heard
about them but
this is the
first one I've
ever seen,"
Hatch told The
Day of New London
newspaper. Later
that afternoon,
he put the lobster
in a cooler
and brought
it to the Mystic
Aquarium and
Institute for
Exploration,
where it will
live out its
days in an elementary
school classroom
for children
to learn about.
Click
here to
read more.
In Traverse
City, Michigan,
Being eaten
isn't the only
danger for Great
Lakes Fish.
It hardly seems
fair, but new
research suggests
that water creatures
nimble enough
to avoid being
gobbled up by
predators may
harm their species
more than help.
Fish, amphibians
and even tiny
zooplankton
do many things
to escape hungry
enemies, from
finding new
homes to changing
their physical
characteristics.
Such tactics
may save individual
lives _ but
in the long
run may leave
the population
at large worse
off, Michigan
State University
scientists say.
"When you introduce
a predator into
a system ...
the potential
prey don't sit
around and say,
`Eat me,'" fisheries
biologist Scott
Peacor said.
"They have adapted
to get out of
the way. But
that comes at
a cost." While
focused on two
particular species
in the Great
Lakes, the study
has implications
for predator-prey
relationships
across the spectrum
of aquatic life
and even for
land animals,
Peacor said
Thursday. Click
here to
read more. A
special thank
you to Joshua
from Okemos,
Michigan, for
the link to
this story.
In Longbeach,
California,
Jeremy Jackson
honored by Aquarium
of the Pacific.
The Aquarium
of the Pacific
honored oceanography
professor Jeremy
Bradford Cook
Jackson and
the firm of
Moffatt & Nichol
Saturday, citing
their leadership
roles in protecting
the environment.
The awards were
presented at
the aquarium's
Ocean Conservation
Awards Gala.
The annual black-tie
event raised
$300,000 to
support the
Aquarium's education
and conservation
initiatives.
Jackson is the
William and
Mary B. Ritter
Memorial Professor
of Oceanography
at the Scripps
Institution
of Oceanography
at UC San Diego,
and a senior
scientist at
the Smithsonian
Tropical Research
Institute in
the Republic
of Panama. His
current research
includes the
long-term ecological
consequences
of historical
over fishing
on coastal ecosystems
and the ecological
and evolutionary
consequences
of the gradual
formation of
the isthmus
of Panama about
3 million years
ago. He is the
author of more
than 100 scientific
publications
and five books.
Click
here to
read more.
Research
Using Xiphophorus
Hybrid Fish
Xiphophorus
is a freshwater
fish genus comprised
of 23 species.
These fishes
(if one refers
to multiple
species one
uses the term
"fishes") live
in eastern drainages
in Mexico, Guatemala,
Belize and Honduras,
with most of
the described
species living
in Mexico. They
are divided
into three groups,
the Northern
Swordtails,
the Southern
Swordtails and
the Platy Fish.
It was realized
as early as
the 1920's that
one could make
hybrids between
the different
species. These
hybrids were
normally viable
and could produce
subsequent generations
of offspring.
In some cases,
one simply had
to place one
Xiphophorus
species next
to another in
an aquarium,
and they would
reproduce. In
many situations,
the resulting
hybrid fish
that were produced
would show traits
from both parent
species, and
were intermediate
in appearance.
For example,
several dominant
pigment patterns
derived from
two fish strains
would appear
within F1 hybrids,
thus giving
them characteristics
of both species.
In other cases,
the hybrid fish
were quite different
from either
parent, such
as when fish
developed beautiful
red or yellow
colors. In such
situations,
pigment patterns
were derived
from one of
the species
and became enhanced
in the hybrid
offspring. It
was also realized
by scientists
in Germany and
the United States,
that hybrid
fish sometimes
also developed
melanoma, one
of deadliest
skin cancers.
These melanomas
were derived
from improperly
regulated melanistic
pigment patterns.
Scientists immediately
began to study
Xiphophorus
hybrids, since
they realized
that they had
discovered an
animal model
that could be
useful in the
study of cancer.
Click
here to
read more.
Are you interested
in Loaches?
Do you like
them?
Do you love
them? Do you
think you might
be a Loachaholic?
Then you just
discovered the
greatest community
of like-minded
people anywhere.
Click
here to
read more.
Are you interested
in Discus Fish?
This graceful
cichlid hails
from the Amazon
River system,
one of the largest
and most stable
biotopes on
our planet.
It was first
introduced to
the hobby in
the early 1930's
and it's still
considered one
of the most
demanding and
expensive freshwater
tropical fish.
Click
here to
read more.
A Big Sincere Thank-you
for calling during the show to
Kenny from Wisconsin,
Jason from Louisiana,
Jack from Cleveland,
Evan from Colorado, and
David from Ohio.
The Bailey Brothers
encourage YOU to call Pet Fish Talk
during the show and talk about your pet fish.
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