http://www.fishbase.org/Summary/speciesSummary.php?genusname=Pseudotothyris&speciesname=janeirensis ---> http://192.134.151.83/Summary/speciesSummary.php?genusname=Pseudotothyris&speciesname=janeirensis http://192.134.151.83/Summary/speciesSummary.php?genusname=Pseudotothyris&speciesname=janeirensis ---> https://fishbase.mnhn.fr/Summary/speciesSummary.php?genusname=Pseudotothyris&speciesname=janeirensis https://fishbase.mnhn.fr/Summary/speciesSummary.php?genusname=Pseudotothyris&speciesname=janeirensis ---> https://fishbase.mnhn.fr/summary/Pseudotothyris-janeirensis.html
Pseudotothyris janeirensis
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drawing shows typical species in Loricariidae.
Classification / Names
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| Catalog of Fishes(
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,
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) |
ITIS
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Cloffa
Teleostei (teleosts) >
Siluriformes
(Catfishes) >
Loricariidae
(Armored catfishes) > Hypoptopomatinae
Etymology:
Pseudotothyris:
Greek, pseudes = false + Greek, ous, otis = ear + Greek, thyris, -idos = little door (Ref.
45335
)
.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; demersal. Tropical
South America: coastal drainages in Rio de Janeiro state, Brazil.
Size / Weight / Age
Maturity: L
m
 
?
  range ? - ? cm
Max length : 5.0 cm SL male/unsexed; (Ref.
36885
)
Short description
Morphology
|
Morphometrics
Dorsal
soft rays
(total): 8-9;
Anal
soft rays
: 5 - 6;
Vertebrae
: 28.
Pseudotothyris janeirensis
is distinguished from all congeners by possessing dorsal-fin spinelet (vs. absent); transverse dark saddles on the dorsum absent (vs. present); subocular cheek plate always absent (vs. generally present); and odontodes on lateral plates aligned in well-defined series (vs. randomly distributed). It can be diagnosed from
Pseudotothyris obtusa
by having abdomen almost entirely naked, except for one to three lateral abdominal plates and one to two preanal plates (vs. abdomen partially or totally covered by scattered plates); 31-35 teeth on upper pharyngeal toothplate (vs. 20-30); and 18-23 teeth on ceratobranchial 5 (vs. 12-15 ). It differs differs from
Pseudotothyris ignota
by having the anterior margin of snout completely covered by odontodes (vs. anterior margin of snout with an odontode-free band) (Ref.
116384
).
Collected from a lentic environment, regionally known as açude, a kind of water reservoir. It is uncommon for
Pseudotothyris
and for the majority of the members of Hypoptopomatinae to occur in this type of habitat (Ref.
116384
).
Life cycle and mating behavior
Maturity
|
Reproduction
|
Spawning
|
Eggs
|
Fecundity
|
Larvae
Martins, F.O., H.A. Britski and F. Langeani
, 2014. Systematics of Pseudotothyris (Loricariidae: Hypoptopomatinae). Zool. J. Linn. Soc. 170:822-874. (Ref.
116384
)
IUCN Red List Status (Ref.
130435
)
Near Threatened (NT)
(B1b(iii)); Date assessed:
07 November 2018
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
= 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02089 (0.00646 - 0.06755), b=3.03 (2.78 - 3.28), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245
).
Fishing Vulnerability (Ref.
59153
): Low vulnerability (10 of 100).
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- 20 July 2016
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