Andvakiidae
Andvakiidae is a family of deep-sea fishes in the order Ophidiiformes. They are known for their unique body shapes and adaptations for life in the deep ocean. They are commonly referred to as cusk-eels due to their elongated, eel-like bodies and lack of pelvic fins. These fishes are found globally in both the Atlantic and Pacific oceans.
Characteristics
Andvakiidae are characterized by their elongated, slender bodies with a tapering tail. They lack pelvic fins and have a single dorsal fin that runs the length of their back, extending to the tip of the tail. Their anal fin is also quite long. The family consists of only one genus, Andrias, with 6 known species. These fish are typically small in size, ranging from 10 to 40 centimeters in length.
Environment
Andvakiidae are deep-sea fishes, typically found in the bathyal and abyssal zones, inhabiting depths ranging from 1,000 to 5,000 meters. They are adapted to the cold, dark, and high-pressure environment of the deep ocean. Their bodies are often bioluminescent, allowing them to communicate and find prey in the absence of sunlight.
References
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