After all, there are plenty of fish in the sea, and online dating is an absolutely wonderful way to weed out
the guppies from the sharks.
Two newborn
guppies from Trinidad's Aripo river show clear differences in the maturity of their skeletons: The guppy from upstream (top), which spent longer in gestation, has more mature bone development as indicated by darker staining than the guppy from downstream, which was born earlier in maturity.
Fish from high - predation environments also reproduced for longer periods than did
guppies from low - predation regions, again contradicting the conventional view, the researchers report in the 28 October issue of Nature.
Led by Dr. Gregor Rolshausen, then a postdoctoral researcher at McGill working with Prof. Andrew Hendry, the team went to study the guppy fish living in polluted areas, comparing their morphology and genetic makeup to those of similar
guppies from non-polluted parts of Trinidad.
Not exact matches
The guts
from the
guppies were also found to be 20 percent smaller in larger - brained
guppies and they had 19 percent less offspring than their smaller brained counterparts.
Heathcote thinks that the tighter - knit friendships that come
from small groups allow
guppies to more effectively cooperate in their predator avoidance activities.
The
guppy, a freshwater fish
from South America, is popular among aquarium enthusiasts and scientists alike.
Researchers in Hawaii found that
guppies released in the 1920s drove down native fish populations, perhaps by competing with them for food and living space, and had likely changed the cycle of nutrients in water: Guppy - rich areas showed increased levels of dissolved nitrogen —
from ammonium in fish urine and gill excretions — which, in turn, stimulated algae growth.
Mating between mosquito fish — a relative of the
guppy — is far
from romantic.
Animals
from waters with
guppy - hungry predators aged more slowly than did fish
from pools cut off
from predators by waterfalls — an apparent contradiction of the classical theory.
by Bill Chambers Appealing newcomer Nick Cannon stars in Drumline as Devon, a Harlem high - school graduate making the transition
from a big fish in a small pond to a
guppy in the ocean that is Atlanta A&T.
Books features a collection of digital titles featuring stories
from PAW Patrol, Blaze and the Monster Machines, Bubble
Guppies, Dora the Explorer, Dora and Friends, SpongeBob SquarePants, Team Umizoomi, Wallykazam, and Blues Clues!
Another species benefiting
from the mini-tank craze is the
guppy.
There are many exotic varieties
from the Far East, and you may find yourself re-evaluating the role that
guppies can play in your inventory.
But, as we stood on the shore at Hawks Nest, near where she used to live, I pointed out landmarks
from tales I'd told the kids about my childhood — there's the sandbank where Aunty Kathryn cut her foot... here's where we caught
guppies in buckets... those little balls of sand are made by the crabs digging... Nana Peg would wake us at 6 am to swim in the king tides, the water would go right up to those boats resting on the grass... my great - grandmother lived on a houseboat that was beached just over there...»
We stood on the shore at Hawks Nest, near where she used to live, and I pointed out landmarks
from tales I'd told the kids about my childhood — there's the sandbank where Aunty Kathryn cut her foot... here's where we caught
guppies in buckets... those little balls of sand are made by the crabs digging... Nana Peg would wake us at 6 am to swim in the king tides, the water would go right up to those boats resting on the grass... my great - grandmother lived on a houseboat that was beached just over there...»
We stood on the shore and I pointed out landmarks
from tales I've told the kids about my childhood — there's the sandbank where Aunty Kathryn cut her foot... here's where we caught
guppies in buckets... those little balls of sand are made by the crabs digging... Nana Peg would wake us at 6 am to swim in the king tides, the water would go right up to those boats resting on the grass... my great - grandmother lived on a houseboat that was beached just over there...