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Dannevigia tusca, Tusk : fisheries
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Dannevigia tusca
Picture by
CSIRO
Teleostei (teleosts) >
Ophidiiformes
(Cusk eels) >
Ophidiidae
(Cusk-eels) > Neobythitinae
Etymology:
Dannevigia:
Because of harald Kristian Dannevig (1871-1914). He was appointed by the NWS Government in Australia as superintendent of fisheries and investigation in 1902
.
More on author:
Whitley
.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; benthopelagic; depth range 115 - 400 m (Ref.
9563
). Temperate
Eastern Indian Ocean: Great Australian Bight, straying to Bass Straits (Australia).
Size / Weight / Age
Maturity: L
m
 
?
  range ? - ? cm
Max length : 56.0 cm TL male/unsexed; (Ref.
9563
)
Short description
Morphology
|
Morphometrics
Body robust, deepest over pectoral fins; several short, weak, concealed spines at lower angle of preopercle; spine on opercle barely if at all reaching beyond rear margin of head; eyes well developed; adults with no dark spots on body or fins; pelvic fin bases close together, inserting under rear margin of eye. Small specimens with 4 rather diffuse broad vertical brown bands on body; adults uniformly brown (Ref.
34024
).
A benthic species found on the continental slope (Ref.
75154
). Common species (Ref.
34024
). Oviparous, with oval pelagic eggs floating in a gelatinous mass (Ref.
205
). Minimum depth reported from Ref. 34024.
Life cycle and mating behavior
Maturity
|
Reproduction
|
Spawning
|
Eggs
|
Fecundity
|
Larvae
May, J.L. and J.G.H. Maxwell
, 1986. Trawl fish from temperate waters of Australia. CSIRO Division of Fisheries Research, Tasmania. 492 p. (Ref.
9563
)
IUCN Red List Status (Ref.
130435
)
Least Concern (LC)
; Date assessed:
15 August 2019
CITES
Not Evaluated
Not Evaluated
Threat to humans
Harmless
Human uses
Fisheries: minor commercial
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Estimates based on models
Preferred temperature (Ref.
123201
): 13.2 - 18.7, mean 14.9 °C (based on 13 cells).
Phylogenetic diversity index (Ref.
82804
): PD
50
= 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00110 (0.00041 - 0.00296), b=3.08 (2.85 - 3.31), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245
).
Trophic level (Ref.
69278
): 3.7 ±0.6 se; based on size and trophs of closest relatives
Resilience (Ref.
120179
): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153
): Moderate vulnerability (42 of 100).
Price category (Ref.
80766
):
Medium
.
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Page last modified by :
mrius-barile
|