1. Specific type of fish species
and reared separately.
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Answer:Fish are aquatic, craniate, gill-bearing animals that lack limbs with digits.Most fish are ectothermic ("cold-blooded"), allowing their body temperatures to vary as ambient temperatures change, though some of the large active swimmers like white shark and tuna can hold a higher core temperatureTetrapods emerged within lobe-finned fishes, so cladistically they are fish as well. However, traditionally fish are rendered paraphyletic by excluding the tetrapods
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