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Borostomias antarcticus, Snaggletooth
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Borostomias antarcticus
Picture by
Román Marcote, E.
Teleostei (teleosts) >
Stomiiformes
(Lightfishes and dragonfishes) >
Stomiidae
(Barbeled dragonfishes) > Astronesthinae
Etymology:
Borostomias:
Greek, boros, -a, -on = gluttonous + Greek, stomías, -ou = a tough, hard -mouthed horse (Ref.
45335
)
.
More on author:
Lönnberg
.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; bathydemersal; oceanodromous (Ref.
51243
); depth range 300 - 2630 m (Ref.
5169
). Deep-water; 66°N - 66°S, 180°W - 180°E
Eastern Atlantic: Nunavut south to Bay of Biscay including western Mediterranean. Elsewhere, Southern Ocean from 35°S to 65°S.
Size / Weight / Age
Maturity: L
m
 
?
  range ? - ? cm
Max length : 30.0 cm SL male/unsexed; (Ref.
5169
)
Dorsal
spines
(total): 0;
Dorsal
soft rays
(total): 9-13;
Anal
spines
: 0;
Anal
soft rays
: 12 - 17. Body black in color, lacks well developed pale patches (Ref.
3982
). Lack of high arch in photophores behind anal base and presence of double postorbital organ (Ref.
37473
).
An oceanic and mesopelagic species usually found deeper than 500 m during the day (Ref.
2802
). Feeds on midwater fishes and crustaceans (Ref.
2802
).
Life cycle and mating behavior
Maturity
|
Reproduction
|
Spawning
|
Eggs
|
Fecundity
|
Larvae
Gibbs, R.H. Jr.
, 1984. Astronesthidae. p. 325-335. In P.J.P. Whitehead, M.-L. Bauchot, J.-C. Hureau, J. Nielsen and E. Tortonese (eds.) Fishes of the north-eastern Atlantic and the Mediterranean. UNESCO, Paris. Vol. 1. (Ref.
2802
)
IUCN Red List Status (Ref.
130435
)
Least Concern (LC)
; Date assessed:
10 May 2013
CITES
Not Evaluated
Not Evaluated
Threat to humans
Harmless
Human uses
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Zoological Record
Estimates based on models
Preferred temperature (Ref.
123201
): 2.2 - 8.3, mean 4.9 °C (based on 1349 cells).
Phylogenetic diversity index (Ref.
82804
): PD
50
= 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00417 (0.00171 - 0.01014), b=3.05 (2.83 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245
).
Trophic level (Ref.
69278
): 3.6 ±0.54 se; based on food items.
Resilience (Ref.
120179
): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153
): Low to moderate vulnerability (27 of 100).
Nutrients (Ref.
124155
): Calcium = 35 [21, 84] mg/100g; Iron = 0.533 [0.248, 1.072] mg/100g; Protein = 16.4 [15.3, 17.6] %; Omega3 = 0.362 [0.181, 0.745] g/100g; Selenium = 24 [9, 55] μg/100g; VitaminA = 18.9 [3.9, 91.0] μg/100g; Zinc = 0.419 [0.268, 0.652] mg/100g (wet weight);
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