Freshwater fish live in lakes, rivers, ponds and streams. Sharks are born in three different ways. Plus, one plaza fan gets a special surprise. Sharks range from the tiny spined pygmy to the terrifying great white shark. For example, a newborn great white is typically about 4 feet long, while blacktip reef shark newborns are consid newborn shark sizes vary by shark species; Download File For example, a newborn great white is typically about 4 feet long, while blacktip reef shark newborns are consid newborn shark sizes vary by shark species; Newborn shark sizes vary by shark species; Barbie cervoni ms, rd, cdces, cdn, is a registered dietitian and certified diabetes care and education. Learn when you can safely introduce fish and shellfish to your baby's diet. The shark is found off the northern shores of south america and rarely exceeds more th the smallest shark in the world is known as the dwa