Yellowhead catfish, Korean bullhead
Tachysurus fulvidraco, the yellowhead catfish or Korean bullhead, is a species of bagrid catfish found in eastern Asia from Siberia to China, Korea, Vietnam, and Laos, where it can be found in lakes and river channels. It can reach a maximum length of 34.5 cm (13.5 in), weighing 3 kg (6.6 lb), though it is much more commonly found to a length of 8 cm. It is a minor component of commercial fisheries.
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CongregatoryCongregatory animals tend to gather in large numbers in specific areas as breeding colonies, for feeding, or for resting.
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OviparousOviparous animals are female animals that lay their eggs, with little or no other embryonic development within the mother. This is the reproductive...
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SocialNo
Not a migrantAnimals that do not make seasonal movements and stay in their native home ranges all year round are called not migrants or residents.
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Social animals are those animals that interact highly with other animals, usually of their own species (conspecifics), to the point of having a rec...