Koi Fish
Koi Fish
The site that provides beautiful photographs and pictures of
numerous fish species together with interesting facts and
information about each type of fish.
Interesting Information about Koi Fish
There are over 25,000 different fish species in the
world. A person who studies fish species is called an
ichthyologist. So welcome to all ichthyologists! There are links
to sections of the most popular fish species. Each one of the
individual fish species we have featured provides interesting
facts, information and stunning photographs. A great resource
for identifying different types of fish species together with
useful facts and information. All fish species are vertebrates
(have a backbone) and most breathe through gills and have fins
and scales. Many fish species also have a variety of protrusions
or spines on the head.
Facts about Fish Species - How do you identify
the sex of a Koi Fish?
The males and females of many fish species have different colors
or different shaped bodies. But there are also other fish
species where there is no visible difference. Its sometimes
tricky being an ichthyologist!
Facts about Fish Species - Why are Koi Fish slimy?
Koi Fish secrete a type of mucus, or slime, from their skin.
This slime provides protection against parasites and infections
and helps the Koi Fish to move through
the water faster. Some fish species also release
toxins in their slime which ward off enemy attacks. Other fish
species use their slime to feed their young.
Facts about Fish Species - Why do Koi Fish have gills?
Gills enable the Koi Fish to breathe. Gills consist of thin
sheets of tissue containing blood vessels. As water passes over
the gills oxygen is absorbed into the blood stream Carbon
dioxide passes out into the water. The gills are protected by a
large bony plate called an operculum. Some fish species however
have lungs and breathe air.
Facts about Fish Species - Why do the
Koi Fish have fins?
A fin is an external appendage or "limb" of a fish. Fins are
used for directing, stabilizing, or propelling the different
fish species in water. Numbers of fins vary between fish
species, but there are usually seven. Each of the fins on a fish
are designed to perform a specific function:
-
Dorsal fins - The
dorsal fin is located on the backs of fishes. The Koi Fish
has Dorsal fins to lend stability in swimming.
-
Ventral fins. The
ventral fin is located on the pelvic area of fishes. The
Koi Fish
has Ventral fins to lend stability in swimming.
-
Caudal fins. The
Caudal fin is located on the tail area of fishes. The Koi Fish
has Caudal fins to propel through the water.
-
Pectoral fins. The
Pectoral fin is located on the breast area of fishes. The
Koi Fish
has Pectoral fins to for locomotion and side to
side movement
Interesting Facts and Information about Koi Fish
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