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Male orcas have huge, triangular dorsal fins that can grow up to six feet in height. Females and younger orcas have smaller, curved dorsal fins. See the picutre in the link.
Wiki User
∙ 15y ago
Wiki User
∙ 12y agoWhales don't have dorsal fins. Orcas do, but they are not whales; they are dolphins.
Wiki User
∙ 13y agoMale and females dorsal fins look different from each other. Also, males dorsals are 6 feet tall and females are only 3 feet tall.
Wiki User
∙ 13y agono not all whales have a dorsal fin. a beluga whale does not have a dorsal fin
Wiki User
∙ 12y agoYes they are
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What is the biggest orca ever seen?
male orcas are 5 ft larger than female orcas but i don't know what the biggest orca was
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