http://www.fishbase.org/Summary/speciesSummary.php?genusname=Barathronus&speciesname=bicolor ---> http://192.134.151.83/Summary/speciesSummary.php?genusname=Barathronus&speciesname=bicolor http://192.134.151.83/Summary/speciesSummary.php?genusname=Barathronus&speciesname=bicolor ---> https://fishbase.mnhn.fr/Summary/speciesSummary.php?genusname=Barathronus&speciesname=bicolor https://fishbase.mnhn.fr/Summary/speciesSummary.php?genusname=Barathronus&speciesname=bicolor ---> https://fishbase.mnhn.fr/summary/Barathronus-bicolor.html
Barathronus bicolor
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Barathronus bicolor
Picture by
JAMARC
Teleostei (teleosts) >
Ophidiiformes
(Cusk eels) >
Bythitidae
(Livebearing brotulas)
Etymology:
Barathronus:
Greek, barathron = abyss + ending -ites, that lives there; the Barathron was a deep pit in Athens where criminals were thrown; 1849 +Greek, onos = hake
.
More on authors:
Goode
&
Bean
.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; bathypelagic; depth range 366 - 3270 m (Ref.
121928
), usually 366 - 1640 m (Ref.
34024
). Deep-water
Western Central Atlantic: Gulf of Mexico and the Caribbean Sea.
Size / Weight / Age
Maturity: L
m
 
?
  range ? - ? cm
Max length : 14.0 cm SL male/unsexed; (Ref.
121928
)
Dorsal
soft rays
(total): 62-78;
Anal
soft rays
: 46 - 59;
Vertebrae
: 68 - 75. Barathronus bicolor differs from the other five species of the genus with dark-pigmented peritoneum by the following combination of characters: D 62-78, A 46-59, pectoral-fin rays 22-27, anterior gill arch with 28-35 long rakers; vertebrae, precaudal 31-36, total 68-75; vomer with 1-5 fangs; paired bulbs at basis of penis not developed; no ventral flexure of anteriormost vertebrae; penis in ripe specimens long (up to 15% SL) and slender; fresh specimens light brownish with dark-blue peritoneum; otolith almost circular three times as long as thick and centrally placed sulcus 3-4 times in length of otolith (Ref.
121928
).
Common species (Ref.
34024
).
Life cycle and mating behavior
Maturity
|
Reproduction
|
Spawning
|
Eggs
|
Fecundity
|
Larvae
Nielsen, J.G.
, 2019. Revision of the circumglobal genus
Barathronus
(Ophidiiformes, Bythitidae) with a new species from the eastern North Atlantic Ocean. Zootaxa 4679(2):231-256. (Ref.
121928
)
IUCN Red List Status (Ref.
130435
)
Least Concern (LC)
; Date assessed:
09 October 2018
CITES
Not Evaluated
Not Evaluated
Threat to humans
Harmless
Human uses
Fisheries: of no interest
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Estimates based on models
Preferred temperature (Ref.
123201
): 4.8 - 10.4, mean 6.3 °C (based on 143 cells).
Phylogenetic diversity index (Ref.
82804
): PD
50
= 0.5005 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00457 (0.00179 - 0.01169), b=3.10 (2.87 - 3.33), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245
).
Trophic level (Ref.
69278
): 3.4 ±0.5 se; based on size and trophs of closest relatives
Resilience (Ref.
120179
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153
): Low vulnerability (10 of 100).
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Page last modified by :
mrius-barile
- 20 July 2016
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