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One fish is from the order Cichliformes, while two others are from Perciformes. What does this suggest about the evolutionary relationships among these fish?

Suppose a scientist is studying the effect of rising ocean temperatures on fish populations. Which two fish species from the list would be most appropriate to compare in their study, assuming they want to analyze the impact on closely related species with potentially different thermal tolerances?

A marine biologist discovers a new fish species and observes that it shares several morphological traits with Nemipterus japonicus. However, the new species exhibits a unique feeding behavior not seen in N. japonicus. How should the biologist approach classifying this new species, and what level of classification (order, family, or genus) is most likely to be the same?

Explain how comparing the scientific names of the Nile Tilapia (Oreochromis niloticus) and the Blackchin Tilapia (Sarotherodon melanotheron) provides insight into their classification and evolutionary relationship.

If a new species of threadfin bream is discovered, describe which characteristics would be most important to examine to determine if it belongs to the same genus as Nemipterus japonicus.