Rhodeus haradai
Encyclopedia
Rhodeus haradai is a subtropical freshwater
Freshwater
Fresh water is naturally occurring water on the Earth's surface in ice sheets, ice caps, glaciers, bogs, ponds, lakes, rivers and streams, and underground as groundwater in aquifers and underground streams. Fresh water is generally characterized by having low concentrations of dissolved salts and...

 fish
Fish
Fish are a paraphyletic group of organisms that consist of all gill-bearing aquatic vertebrate animals that lack limbs with digits. Included in this definition are the living hagfish, lampreys, and cartilaginous and bony fish, as well as various extinct related groups...

 belonging to the Acheilognathinae
Acheilognathinae
Acheilognathinae, the bitterling-like cyprinids, are a subfamily of cyprinids.Genera contained herein are:* Acanthorhodeus – spiny bitterlings* Acheilognathus* Rhodeus – bitterlings* Tanakia...

 sub-family of the Cyprinidae family. It originates in the Hainan
Hainan
Hainan is the smallest province of the People's Republic of China . Although the province comprises some two hundred islands scattered among three archipelagos off the southern coast, of its land mass is Hainan Island , from which the province takes its name...

 province of China
China
Chinese civilization may refer to:* China for more general discussion of the country.* Chinese culture* Greater China, the transnational community of ethnic Chinese.* History of China* Sinosphere, the area historically affected by Chinese culture...

. It was originally described as by Arai, Suzuki & Shen in 1990.

When spawning, the females deposit their eggs
Egg (biology)
An egg is an organic vessel in which an embryo first begins to develop. In most birds, reptiles, insects, molluscs, fish, and monotremes, an egg is the zygote, resulting from fertilization of the ovum, which is expelled from the body and permitted to develop outside the body until the developing...

 inside bivalves, where they hatch and the young remain until they can swim.
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