http://www.fishbase.org/Summary/speciesSummary.php?genusname=Skiotocharax&speciesname=meizon ---> http://192.134.151.83/Summary/speciesSummary.php?genusname=Skiotocharax&speciesname=meizon http://192.134.151.83/Summary/speciesSummary.php?genusname=Skiotocharax&speciesname=meizon ---> https://fishbase.mnhn.fr/Summary/speciesSummary.php?genusname=Skiotocharax&speciesname=meizon https://fishbase.mnhn.fr/Summary/speciesSummary.php?genusname=Skiotocharax&speciesname=meizon ---> https://fishbase.mnhn.fr/summary/Skiotocharax-meizon.html
Skiotocharax meizon
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drawing shows typical species in Crenuchidae.
Classification / Names
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|
Synonyms
| Catalog of Fishes(
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,
species
) |
ITIS
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Cloffa
Teleostei (teleosts) >
Characiformes
(Characins) >
Crenuchidae
(South American darters) > Characidiinae
Etymology: More on authors:
Presswell
,
Weitzman
&
Bergquist
.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; benthopelagic. Tropical
South America: Mazaruni and Berbice River basins in Guyana.
Size / Weight / Age
Maturity: L
m
 
?
  range ? - ? cm
Max length : 3.2 cm SL male/unsexed; (Ref.
37059
)
Short description
Morphology
|
Morphometrics
Vertebrae
: 34. Distinguished by the following combination of apparently apomorphic characters: posttemporal bone is absent; extrascapular reduced to a bony latero-sensory canal; epioccipital bridge absent; parietal branch of the supraorbital latero-sensory canal restricted to the frontal bone; supraorbitals absent; medial process on rib of fifth vertebral centrum present as a simple bony spine; a well-defined foramen is present on the posterior region of the medial lamina of the coracoid; fifteen or more dorsal-fin rays present; lateral line incomplete; discrete bands or spots absent, except for a diffuse humeral blotch; origin of the anal-fin base located slightly posterior to or in advance of a vertical line drawn from the posterior termination of the dorsal fin; teeth of all jaw bones conical; body slab sided, relatively short; the anterior portion of pterotic latero-sensory canal does not enter the sphenotic; sphenotic bone, state 0 = sphenotic separated from the posttemporal fossa by presence of an articulation of the parietal and pterotic, state 1, sphenotic enlarged posteriorly and forming a part of the anterior border of the posttemporal fossa; circuli are present on the posterior or apical field of the lateral body scales (Ref.
34069
).
Life cycle and mating behavior
Maturity
|
Reproduction
|
Spawning
|
Eggs
|
Fecundity
|
Larvae
Presswell, B., S.H. Weitzman and T. Bergquist
, 2000.
Skiotocharax meixon
, a new genus and species of fish from Guyana with discussion of its relationships (Characiformes: Crenuchidae). Ichthyol. Explor. Freshwat. 11(2):175-192. (Ref.
34069
)
IUCN Red List Status (Ref.
130435
)
Vulnerable (VU)
(A2c; B1ab(iii,v)+2ab(iii,v)); Date assessed:
17 January 2021
CITES
Not Evaluated
Not Evaluated
Threat to humans
Harmless
Human uses
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Estimates based on models
Phylogenetic diversity index (Ref.
82804
): PD
50
= 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref.
93245
).
Trophic level (Ref.
69278
): 3.2 ±0.3 se; based on size and trophs of closest relatives
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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