Bathypterois grallator

Bathypterois grallator is a deep-sea fish in the family Ipnopidae, known as the tripod fish for its elongated fin rays that support it above the seafloor.

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Tripod fish posture: A stance in which a tripod fish rests above the seabed on elongated pelvic and caudal fin rays. The species’ extended fin rays form the supports that give it its common name.
Ipnopidae: A family of deep-sea fishes that includes tripod fishes and related bottom-dwelling species. Bathypterois grallator belongs to this family of specialized deep-sea fishes.
Deep-sea ecology: The study of relationships among organisms and environments in the ocean’s deep regions. The fish is a predator and habitat specialist within deep-sea communities.
Bathypterois longipes: A species of deep-sea tripod fish in the genus Bathypterois. It is a close relative that shares the tripod-fish body plan but is a separate species.
Sensory biology of tripod fishes: The study of how tripod fishes detect prey and environmental signals in deep water. Its elevated position and exposed pectoral fins are associated with detecting food in currents.
Bathypterois: A genus of deep-sea fishes in the family Ipnopidae, including several tripod fishes. This species is one member of the genus.
Deep-sea trawling: A method of sampling or fishing that drags a net through deep ocean water or along the seabed. Trawl collections have supplied specimens for studying this rarely observed fish.
Bathypterois bigelowi: A species of tripod fish in the genus Bathypterois. Its comparison helps separate the focal species from other members of the genus.
Benthic feeding: Feeding on organisms that live on or near the bottom of an aquatic environment. The fish feeds on small animals carried or found near the seafloor.
Abyssal zone: The deep-ocean region roughly 3,000 to 6,000 meters below the surface. The species is associated with deep-sea environments, including abyssal depths.