Identification
The scientific name Sladenia shaefersi is essential because other Sladenia species occur in different oceans. A broad head, large mouth and modified fins give the fish an unusual outline. A head-mounted angling structure is part of its feeding anatomy.
Size and Weight
A Caribbean species account lists an upper length of 101 cm, about 39.8 inches. An older summary lists only 28 cm standard length; that small specimen-based figure should not be used as the species’ absolute size limit. A dependable maximum weight was not established.
Habitat and Feeding
Records come from deep marine habitats, including reef-associated bottoms. Accounts describe a predator that remains still and waits for nearby prey. The head-mounted lure may help bring prey close, but a detailed species-specific menu is less securely documented than its bottom-associated hunting posture.
Deep-Sea Observation
Remotely operated vehicles have recorded this fish in place, providing information that a preserved specimen cannot. These observations concern deep ocean habitat, not an inland recreational fishery. Similar-looking fish filmed in the Pacific should not automatically be assigned to this Atlantic species.
A Fish That Can Walk Along the Bottom
NOAA exploration footage shows the modified fins supporting movement on the seafloor. This behavior fits a fish that spends much of its time in close contact with deep bottom habitat rather than swimming continuously in open water.
All Lakes With Atlantic Twospine Goosefish
Browse all lakes and reservoirs with confirmed Atlantic Twospine Goosefish records in our database, listed alphabetically.
No published lakes are currently linked to this species in our confirmed records.