Order Gasterosteiformes: Part 8 (Fishes of the Western North Atlantic)
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Perciform - Form and function |…
Perciform - Form and function: The nature and diversity of the perciforms make a general definition of the group difficult; the most common characters are found in the large families of sea basses, mackerels, perches, sunfishes, and others. Perciform fishes usually have spines present on their dorsal, anal, and pelvic fins. The dorsal fin is ...
List of largest fish - Wikipedia
The cartilaginous fish are not directly related to the "bony fish," but are sometimes lumped together for simplicity in description. The largest living cartilaginous fish, of the order Orectolobiformes, is the whale shark (Rhincodon typus), of the world's tropical oceans.
Dusky shark - Wikipedia
The range of the dusky shark extends worldwide, albeit discontinuously, in tropical and warm-temperate waters. In the western Atlantic Ocean, it is found from Massachusetts and the Georges Bank to southern Brazil, including the Bahamas and Cuba.