Medaka meaning

Medaka, a type of small freshwater fish often used in scientific research, is known for its resilience to changes in its environment.


Medaka definitions

Word backwards akadem
Part of speech The word "medaka" can be both a noun and an adjective. As a noun, it refers to a small, brightly colored fish group belonging to the killifish family. As an adjective, it is used to describe things related to or resembling these fish.
Syllabic division Me-da-ka
Plural The plural form of the word "medaka" is "medakas."
Total letters 6
Vogais (2) e,a
Consonants (3) m,d,k

Medaka Fish

Overview of Medaka Fish

Medaka, scientifically known as Oryzias latipes, is a small freshwater fish native to Japan. It belongs to the family Adrianichthyidae and is commonly referred to as Japanese rice fish. Medaka fish are often found in rice paddies, slow-moving streams, and ponds throughout Japan. They are commonly used as model organisms in scientific research due to their small size, rapid reproduction, and transparent embryos.

Physical Characteristics

Medaka fish typically grow to about 3 to 4 centimeters in length and have a slender, elongated body shape. They come in a variety of colors, including orange, red, yellow, and silver. One of the unique features of medaka fish is their transparent bodies, which allows researchers to observe internal organs and embryonic development without the need for dissection.

Reproduction and Life Cycle

Medaka fish are known for their fast reproduction rate, with females capable of laying eggs every day. They reproduce through external fertilization, where the male releases sperm to fertilize the eggs laid by the female. The eggs hatch within a few days, and the young fish are independent soon after. Medaka fish have a relatively short life span, typically living up to one to two years in the wild.

Behavior and Feeding Habits

Medaka fish are social animals that prefer to live in groups. They are omnivorous and feed on a variety of food items, including algae, small invertebrates, and insect larvae. In captivity, medaka fish are commonly fed a diet of commercial fish flakes or live food such as brine shrimp and daphnia.

Research and Genetic Studies

Due to their genetic and reproductive characteristics, medaka fish have been used in various research fields, including genetics, developmental biology, and toxicology. Scientists have successfully sequenced the medaka genome, making it a valuable model organism for studying human diseases and genetic disorders. Their small size, transparent embryos, and fast reproduction cycle make them ideal for observing gene function and development.

Conservation Status

While medaka fish are currently not considered endangered, populations in the wild may be at risk due to habitat loss, pollution, and competition from invasive species. Efforts are being made to conserve and protect medaka fish populations in their natural habitats, ensuring their continued survival for future research and biodiversity.


Medaka Examples

  1. I saw a beautiful medaka fish swimming in the pond.
  2. The medaka is known for its vibrant colors.
  3. In Japan, medaka fish are often kept as pets.
  4. Researchers study medaka fish to understand genetics.
  5. The medaka is a popular subject in scientific experiments.
  6. Medaka fish are native to East Asia.
  7. The medaka's small size makes it a great choice for home aquariums.
  8. In Japanese folklore, the medaka is a symbol of prosperity.
  9. Medaka fish are also known as rice fish.
  10. I hope to see medaka fish in their natural habitat one day.


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  • Updated 24/04/2024 - 18:55:11