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Body elongate; mouth large; premaxillary teeth even; vomer with teeth. Pseudobranch absent, gillrakers on first arch 23–29, (5) 6 on hypobranchial, no raker in articulation of epi- and ceratobranchial; branchiostegal rays 13–14, 5 on epihyal. Dorsal-fin rays 13–15; pectoral-fin rays 9–10; pelvic-fin rays 6; anal-fin rays 17–19; dorsal- and anal-fin origins opposite; last dorsal- and anal-fin ray not split to base; dorsal adipose fin absent; anus midway between pelvic-fin bases and anal-fin origin. Vertebrae 31–33. Pyloric caecae 3. Scales present. Head and body lacking photophores, pre-caudal and opercular glands. Color uniformly dark brown.
Circumglobal in subtropical to tropical oceanic waters.
Cceanic, bathypelagic; juveniles and adults at 900–3,000 m; no diel vertical migrations.
Badcock J. 1984. Gonostomatidae. pp. 284–301. In: P.J.P. Whitehead MLB, J.-C. Hureau, J. Nielsen, and E. Tortonese editor. Fishes of the Northeastern Atlantic and the Mediterranean. Paris: Unesco. p 1473 pp.
The following is a general description of the morphology of species of the genus Cyclothone from Badcock (1984).
Species of the genus typically small, fairly elongate. Pseudobranch absent; gill filaments longer in males; branchiostegal rays 13–14 (5–6 on epihyal). Dorsal- and anal-fin origins about opposite; last dorsal- and anal-fin rays not split to base; dorsal adipose fin absent; anus closer to pelvi-fin base than to anal-fin origin or a midpoint. Swimbladder regressed in adults. Scales present or absent.
To 60 mm SL.
Presumed hemaphroditic.
Atlantic, Indian Oceans.
Syntypes: SNMBR I-10035; SMF 2113; SMNS 4491; ZMB 17509-10, 17512, 17480, 19321, 22324; ZMH 8233 (now 10844).
Cyclothone obscura és una espècie de peix pertanyent a la família dels gonostomàtids.[4]
És un peix marí i batipelàgic que viu entre 900 i 3.500 m de fondària (normalment, entre 2.000 i 2.600) i entre les latituds 36°N-45°S, 180°W-180°E. No fa migracions verticals.[7][5][8]
Es troba a l'Atlàntic,[9][10][11] l'Índic, el Pacífic i el mar de la Xina Meridional.[12][13][14][5][15][16][17][18]
És inofensiu per als humans.[5]
Cyclothone obscura és una espècie de peix pertanyent a la família dels gonostomàtids.
Cyclothone obscura, commonly known as the hidden bristlemouth, is a species of ray-finned fish in the genus Cyclothone.[1]
Cyclothone obscura, commonly known as the hidden bristlemouth, is a species of ray-finned fish in the genus Cyclothone.
Cyclothone obscura Cyclothone generoko animalia da. Arrainen barruko Gonostomatidae familian sailkatzen da.
Cyclothone obscura Cyclothone generoko animalia da. Arrainen barruko Gonostomatidae familian sailkatzen da.
Cyclothone obscura est une espèce de poisson appartenant à la famille des Gonostomatidae.
Cyclothone obscura is een straalvinnige vissensoort uit de familie van borstelmondvissen (Gonostomatidae).[1] De wetenschappelijke naam van de soort is voor het eerst geldig gepubliceerd in 1902 door Brauer.
Bronnen, noten en/of referenties
