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Centroscyllium nigrum, Combtooth dogfish
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Centroscyllium nigrum
Picture by
Reyes, P.
Elasmobranchii (sharks and rays) >
Squaliformes
(Sleeper and dogfish sharks) >
Etmopteridae
(Lantern sharks)
Etymology:
Centroscyllium:
Greek, kentron = sting + Greek, skylla = a kind of shark (Ref.
45335
)
.
More on author:
Garman
.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; benthopelagic; depth range 269 - 1170 m (Ref.
96339
). Deep-water; 32°N - 30°S
Eastern Pacific: Hawaiian Islands, southern California (USA), Panama, Cocos Island (Costa Rica), Colombia, Ecuador, northern and central Chile, and the Galapagos Islands. Has been confused with
Etmopterus granulosus
(Günther, 1880) and
Centroscyllium granulatum
(Günther, 1887), but is quite distinct.
Size / Weight / Age
Maturity: L
m
 
?
  range ? - ? cm
Max length : 51.0 cm TL male/unsexed; (Ref.
96339
)
A little-known deepwater dogfish found on the continental and insular slopes. Incidentally caught in sablefish (
Anoplopoma
) traps but not utilized. Feeds chiefly on other fishes and invertebrates (Ref.
28023
). Ovoviviparous (Ref.
205
).
Life cycle and mating behavior
Maturity
|
Reproduction
|
Spawning
|
Eggs
|
Fecundity
|
Larvae
Distinct pairing with embrace (Ref.
205
).
Compagno, L.J.V.
, 1984. FAO Species Catalogue. Vol. 4. Sharks of the world. An annotated and illustrated catalogue of shark species known to date. Part 1 - Hexanchiformes to Lamniformes. FAO Fish. Synop. 125(4/1):1-249. Rome, FAO. (Ref.
247
)
IUCN Red List Status (Ref.
130435
)
Least Concern (LC)
; Date assessed:
07 February 2019
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
): 6.6 - 9.9, mean 8 °C (based on 44 cells).
Phylogenetic diversity index (Ref.
82804
): PD
50
= 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00372 (0.00188 - 0.00734), b=3.10 (2.92 - 3.28), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245
).
Trophic level (Ref.
69278
): 3.9 ±0.56 se; based on food items.
Resilience (Ref.
120179
): Low, minimum population doubling time 4.5 - 14 years (Fec assumed to be <100).
Fishing Vulnerability (Ref.
59153
): Moderate vulnerability (40 of 100).
Nutrients (Ref.
124155
): Calcium = 6.46 [1.11, 35.03] mg/100g; Iron = 0.217 [0.049, 0.765] mg/100g; Protein = 17.3 [15.0, 20.0] %; Omega3 = 0.292 [0.094, 0.949] g/100g; Selenium = 15.5 [3.7, 55.0] μg/100g; VitaminA = 23.9 [3.9, 143.4] μg/100g; Zinc = 0.503 [0.225, 1.077] mg/100g (wet weight);
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