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The two currently recognized extant species in this genus are: [5] Alepisaurus brevirostris Gibbs, 1960 (short-snouted lancetfish) Alepisaurus ferox R. T. Lowe, 1833 (long-snouted lancetfish) The anatomic difference between the two species is the shape of the snout, which is long and pointed in A. ferox, and slightly shorter in A. brevirostris.
Alepisaurus ferox, also known as the long snouted lancetfish, longnose lancetfish, or cannibal fish, is a species of lancetfish found in the ocean depths down to 1,830 m (6,000 ft). [ 3 ] [ 4 ] This species grows to 215 cm (85 in) in total length and a weight of 9 kg (20 lb).
Alepisaurus paronai is an extinct species of lancetfish known from a fossil skull found in Middle Miocene-aged strata in Piedmont, Italy.The skull is very similar in anatomy and dimensions to that of the extant long-snouted lancetfish. [1]
Aulopiformes / ˈ ɔː l ə p ɪ f ɔːr m iː z / is a diverse order of marine ray-finned fish consisting of some 15 extant and several prehistoric families with about 45 genera and over 230 species. The common names grinners, lizardfishes and allies, or aulopiforms are sometimes used for this group.
Although the closest living relatives of Cimolichthys are lancetfish and lizardfish, the living animals would have resembled very large pikes. They could grow up to 1.5 to 2.0 metres (4.9 to 6.6 ft) meters long. Their bodies were covered by large, heavy scutes. Typical of this species are narrow lower jaws with several series of teeth.
The currently recognized species in this genus are: [2] Anotopterus nikparini, Kukuev, 1998 (North Pacific daggertooth) Anotopterus pharao, Zugmayer, 1911 (daggertooth) Anotopterus vorax, Regan, 1913 (south ocean daggertooth) Anotopterus has long been considered a unique taxonomic family with close affinity to the families Paralepididae and ...
Lampriformes / ˈ l æ m p r ɪ f ɔːr m iː z / is an order of ray-finned fish.Members are collectively called lamprids (which is more properly used for the Lampridae) or lampriforms, and unite such open-ocean and partially deep-sea Teleostei as the crestfishes, oarfish, opahs, and ribbonfishes.
Trichodontidae was first proposed as a family in 1869 by the Dutch herpetologist and ichthyologist Pieter Bleeker. [1] For a long time the family was thought to be classified within the order Trachiniformes but in 2000 the family was reclassified by the Russian biologists Mikhail Nazarkin and Olga Voskoboinikova the monotypic superfamily Trichodontoidea in the suborder Cottoidei of the order ...