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Percarina demidoffii, Percarina : fisheries
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Percarina demidoffii
Picture by
Otel, V.
Teleostei (teleosts) >
Perciformes/Percoidei
(Perchs) >
Percidae
(Perches) > Percinae
Etymology:
Percarina:
Greek, perke = perch + Latin, carina = keel shaped, shell (Ref.
45335
)
.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; brackish; benthopelagic. Temperate; 48°N - 45°N, 30°E - 41°E
Europe: Northwestern Black Sea basin in estuaries and coastal lakes, Danube, Dniestr, South Bug and Dniepr and their lower reaches.
Size / Weight / Age
Maturity: L
m
 
?
  range ? - ? cm
Max length : 10.0 cm SL male/unsexed; (Ref.
59043
)
Dorsal
soft rays
(total): 10-13;
Anal
spines
: 2;
Anal
soft rays
: 8 - 11;
Vertebrae
: 33. Distinguished from
Percarina maeotica
by its unique character of having scaleless cheek. Differs further by the combination of the following characters: body and fin membranes almost transparent; back milky white without dark spots; 8-9 greyish round or irregularly-shaped blotches along base of dorsal fins (Ref.
59043
).
Occurs in groups in fresh and brackish waters with salinities up to 7 ppt, abundant at depths around 5 m over black mud. Feeds predominantly on benthic invertebrates. Spawns in coastal waters close to river mouths, over mud bottom. Spawning occurs in May-June. More or less abundant in lower reaches of rivers and coastal lagoons but increased salinity resulting from reduced flow in all large rivers, which are now dammed, may pose threat to its population (Ref.
59043
).
Life cycle and mating behavior
Maturity
|
Reproduction
|
Spawning
|
Eggs
|
Fecundity
|
Larvae
Kottelat, M. and J. Freyhof
, 2007. Handbook of European freshwater fishes. Publications Kottelat, Cornol and Freyhof, Berlin. 646 pp. (Ref.
59043
)
IUCN Red List Status (Ref.
130435
)
Near Threatened (NT)
; Date assessed:
05 March 2010
CITES
Not Evaluated
Not Evaluated
Threat to humans
Harmless
Human uses
Fisheries: commercial
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Estimates based on models
Phylogenetic diversity index (Ref.
82804
): PD
50
= 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01072 (0.00476 - 0.02414), b=3.05 (2.86 - 3.24), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245
).
Trophic level (Ref.
69278
): 3.5 ±0.37 se; based on food items.
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).
Price category (Ref.
80766
):
Unknown
.
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- 20 July 2016
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