Linked from

The 38 pages that link to Dorsal fin, each with the reason it gives.

• AnglerfishRelated: The anglerfish lure evolved from a spine in this fin.

• StonefishRelated: Stonefish dorsal spines are modified fin elements that puncture predators or people.

• AcanthomorphaRelated: Changes in dorsal-fin structure distinguish many acanthomorph lineages.

• Nurse sharkRelated: The nurse shark’s two dorsal fins sit far back on its body.

• ScorpaenidaeRelated: Prominent dorsal-fin spines are characteristic of many scorpaenids.

• Three-spined sticklebackRelated: Its three conspicuous spines stand immediately in front of the dorsal fin.

• Adipose finRelated: The adipose fin sits behind this larger, ray-supported fin.

• FrogfishRelated: Frogfish modified the foremost dorsal-fin spine into a lure-supporting structure.

• Risso’s dolphinRelated: Its tall, curved dorsal fin is a useful field identification feature.

• BowfinRelated: The bowfin’s unusually long dorsal fin is a defining feature.

• Mahi-mahiRelated: The mahi-mahi’s long dorsal fin extends along much of its back, a defining feature.

• Ocean sunfishRelated: The tall dorsal fin is a defining feature of the sunfish’s silhouette.

• RabbitfishRelated: Rabbitfish dorsal spines can deliver venomous puncture wounds.

• Cow sharkRelated: A single dorsal fin is another feature shared by hexanchid sharks.

• Cusk-eelRelated: Its length, together with the anal fin, helps give cusk-eels their characteristic outline.

• Giant oarfishRelated: The giant oarfish's long red dorsal fin extends along nearly its entire body.

• SticklebackRelated: Stickleback spines are modified fin rays positioned ahead of the dorsal fin.

• Bullhead sharkRelated: Bullhead sharks have two dorsal fins, each preceded by a spine.

• GoosefishRelated: The goosefish’s lure originates from a modified spine at the front of this fin.

• Harbour porpoiseRelated: Its low, triangular dorsal fin helps distinguish the harbour porpoise from many dolphins.

• LancetfishRelated: Its unusually tall, blade-like dorsal fin is the lancetfish's most distinctive feature.

• Right whale dolphinRelated: Its absence is the genus's defining external feature.

• WeeverRelated: Weever dorsal fins bear venomous spines.