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Chaenophryne longiceps, the can-opener smoothdream, longhead dreamer or smooth-head dreamer, is a species of marine ray-finned fish belonging to the family Oneirodidae, the dreamers, a family of deep sea anglerfishes. This predatory, deep-sea fish is found in tropical and subtropical oceans around the world.
The name "anglerfish" derives from the species' characteristic method of predation. Anglerfish typically have at least one long filament sprouting from the middle of their heads, termed the illicium. The illicium is the detached and modified first three spines of the anterior dorsal fin. In most anglerfish species, the longest filament is the ...
Ogcocephalidae is a family of anglerfish specifically adapted for a benthic lifestyle of crawling about on the seafloor. Ogcocephalid anglerfish are sometimes referred to as batfishes, [1] [2] deep-sea batfishes, [3] handfishes, and seabats. [4] They are found in tropical and subtropical oceans worldwide. [2]
The fish has long filaments along the middle of its head, which are, in fact, the detached and modified three first spines of the anterior dorsal fin. The filament most important to the angler is the first, which is the longest, terminates in a lappet, and is movable in every direction.
The football fish family and genus names are derived from a combination of himantos, which means a "leather strap", "thong" or "leash", with lophus, meaning "crest" or "tuft". Reinhardt did not explain this name but it is thought to refer to the thick, leathery illicium of the type species , H. groenlandicus .
Sarcastic fringeheads can be up to 30 centimetres (12 in) long, [6] elegant and slender, [2] and are mostly scaleless with great pectoral fins and reduced pelvic fins. The swimming movements of these fish mainly consist of short, dart-like movements. [7] Their body coloration varies from warm brown to gray with a blotchy appearance. [8]
The Lophiiformes, or angler fish, are deep-water fish with big heads. Of these, the angler or sea-devil (Lophius piscatorius) is common in Sweden in the waters west of Sweden in the Skagerrak and Kattegat. It is a tasty fish and therefore common in fish dishes, usually with its head removed. The Swedish catch in 1983 was 26 tonnes. [17] Angler
Deep-sea fish are fish that live in the darkness below the sunlit surface waters, that is below the epipelagic or photic zone of the sea. The lanternfish is, by far, the most common deep-sea fish. Other deep-sea fishes include the flashlight fish , cookiecutter shark , bristlemouths , anglerfish , viperfish , and some species of eelpout .