Metazoa info

[Duke Guilmon]

Goldfish 



Carassius auratus

Size: The largest goldfish reach 48cm, though the size of the fish depends on the environment

Weight: Like size, the weight of the fish depends on the environment, very rare a gold fish can grow up to 4.5kg

Life expectancy: The average life span of the goldfish is an average of 20-40 years

When it first appeared: Less than 2,000 years ago.

Location: This animal is domesticated, and is found in human homes of every compass

Taxonomy:
Class: Actinopterygii
(unranked): Actinopteri
Subclass: Neopterygii
Infraclass: Telostei
Superorder: Ostariophys
Order: Cyprinformes
Superfamily: Cyprinioided
Family: Cyprinidae
Subfamily: Cypriniae
Genus: Carassius
Species: Carassius auratus

Diet: Goldfish naturally eat crustaceans, insects, and plant matter

Anatomy: Like dogs and cats, goldfish have variations. Some, like the celestial eye, have upwards pointing eyes, and the lionchu which has a large head. Goldfish also lack a stomach. 

Behavior: Goldfish normally live well in groups, and usually swim and eat

Reproduction: Th goldfish can reach sexual maturity due to the water it lives in nutrition. They will lay eggs on aquatic vegetation. The eggs hatch in 49-72 hours. Within a week the fry will grow into its adult form.

Relationship with other animals: The goldfish is used by humans usually for decorations. Goldfish are used to eat mosquito larvae, though it does benefit people, it damages the ecosystem. They little predators they have would be the house cat, though it takes a bad pet owner to let the fish get eaten by it. 



金魚

Other sources:

http://thegoldfishtank.com/goldfish-facts/

http://www.fish-species.org.uk/gold-fish/

https://en.wikipedia.org/wiki/Goldfish