Dorsal and Caudal fins of the Ocean Sunfish Mola mola, as it Swims in the Open Ocean, near San Diego. The caudal fin is not a true tail but is a tail-like structure called a clavus that serves as a rudder. The dorsal (top) and anal (bottom) fins are used for propulsion.
Species: Ocean sunfish, Mola mola
Location: San Diego, California
Image ID: 39407
The leafy seadragon (Phycodurus eques) is found on the southern and western coasts of Australia. Its extravagent appendages serve only for camoflage, since it has a nearly-invisible dorsal fin that propels it slowly through the water. The leafy sea dragon is the marine emblem of South Australia.
Species: Leafy seadragon, Phycodurus eques
Location: Rapid Bay Jetty, South Australia
Image ID: 39357
The leafy seadragon (Phycodurus eques) is found on the southern and western coasts of Australia. Its extravagent appendages serve only for camoflage, since it has a nearly-invisible dorsal fin that propels it slowly through the water. The leafy sea dragon is the marine emblem of South Australia.
Species: Leafy seadragon, Phycodurus eques
Location: Rapid Bay Jetty, South Australia
Image ID: 39360
Two Giant Black Sea Bass in a Courtship Posture, in Kelp at Catalina Island. In summer months, black seabass gather in kelp forests in California and form courtship and mating aggregations.
Species: Giant black sea bass, Stereolepis gigas
Location: Catalina Island, California
Image ID: 39440
Two Giant Black Sea Bass in a Courtship Posture, in Kelp at Catalina Island. In summer months, black seabass gather in kelp forests in California and form courtship and mating aggregations.
Species: Giant black sea bass, Stereolepis gigas
Location: Catalina Island, California
Image ID: 39441
A giant black sea bass is an endangered species that can reach up to 8 feet in length and 500 pounds, often found amid the giant kelp forest, Once nearly fished to extinction and now thought to be at risk of a genetic bottleneck, the giant sea bass is slowly recovering and can be seen in summer months in California's kelp forests.
Species: Giant black sea bass, Stereolepis gigas
Location: Catalina Island, California
Image ID: 39442
Giant Black Sea Bass with Distinctive Identifying Black Spots that allow researchers to carry out sight/resight studies on the animals distributions and growth. Black sea bass can reach 500 pounds and 8 feet in length.
Species: Giant black sea bass, Stereolepis gigas
Location: Catalina Island, California
Image ID: 39443
Two Giant Black Sea Bass in a Courtship Posture, in Kelp at Catalina Island. In summer months, black seabass gather in kelp forests in California and form courtship and mating aggregations.
Species: Giant black sea bass, Stereolepis gigas
Location: Catalina Island, California
Image ID: 39444