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Betta breviobesa
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Betta breviobesa
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Classification / Names
Common names
|
Synonyms
| Catalog of Fishes(
genus
,
species
) |
ITIS
|
CoL
|
WoRMS
|
Cloffa
Teleostei (teleosts) >
Anabantiformes
(Gouramies, snakeheads) >
Osphronemidae
(Gouramies) > Macropodusinae
Etymology:
Betta:
Malay/Javanese origin. Bleeker (1850, 1858) indicates Ikan Wadder Bettah as the local name of
Betta trifasciata
Bleeker, 1849 (now
Betta picta
, Valenciennes, 1846) in the Ambarawa Javanese dialect. Ikan Wader is a common Javanese name for smaller freshwater fishes, especially cyprinids (already used in Old Javanese). See Blust, R. & Trussel, S. Austronesian Comparative Dictionary. Web Edition (https://www.trussel2.com/acd/).
.
More on authors:
Tan
&
Kottelat
.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; benthopelagic. Tropical
Asia: Indonesia.
Size / Weight / Age
Maturity: L
m
 
?
  range ? - ? cm
Max length : 6.5 cm SL male/unsexed; (Ref.
30224
)
Short description
Morphology
|
Morphometrics
Dorsal
spines
(total): 1;
Dorsal
soft rays
(total): 8;
Anal
spines
: 2;
Anal
soft rays
: 24. Differs from
B. enisae
by: the absence of caudal transverse bars versus presence; more anal rays (25-27, mode 27, versus 23-26, mode 24-25); more subdorsal scales (5 1/2-7, mode 7, versus 5); more lateral scales (28-30, mode 30, versus 26-28, mode 27); smaller predorsal length (62.1-67% SL, versus 67.3-70.3); larger body depth at dorsal-fin origin (28.7-32.8% SL, versus 26.2-28.9); slightly longer pelvic fin (33.9-55.4% SL, versus 33.8-46.7); longer dorsal-fin base (11.4-14.9% SL, versus 8.7-12.1); smaller total length (12.8-15.1% SL, versus 14.3-15.5); smaller orbit diameter (48-69% of postorbital length, versus 57-68); smaller interorbital width (64-74% of postorbital length, versus 70-76) (Ref.
30224
). Can be further differentiated from its congeners by: the absence of chin-bar (versus presence in
B. pugnax
,
B. prima
and
B. pulchra
); presence of dark distal borders on anal and caudal fins (versus absence in
B. pugnax
,
B. fusca
,
B. schalleri
,
B. prima
and
B. pulchra
; absence of caudal transverse bars (versus presence in
B. pugnax
and
B. pulchra
; more anal rays than
B. fusca
(25-27, versus 24-25); fewer lateral scales than
B. schalleri
(28-30, versus 31); more predorsal scales than
B. schalleri
(19-21, mode 21, versus 17-19, mode 19); more postdorsal scales than
B. prima
(11-12, versus 9-10); greater head length than
B. fusca
(51.3-54.3% predorsal length, versus 47.2-49.4); smaller predorsal length than
B. fusca
and
B. prima
(62.1-67% SL, versus 68.1-70.2); smaller postdorsal length than
B. prima
(21.9-23.4% SL, versus 24.1-26.3); smaller preanal length than
B. prima
(48-51.5% SL, versus 50.6-54.8); greater body depth than
B. schalleri
(28.7-32.8% SL, versus 26.7-27.6); longer pelvic fins than
B pugnax
(filamentous tip reaching 9-18th anal ray, versus 4-10th; 33.9-55.4% SL, versus 26.6-43.8); longer anal-fin base than
B. fusca
and
B. schalleri
(51.1-54.5% SL, versus 47.8-52); smaller orbit diameter than
B. pugnax
and
B. pulchra
(24.2-28.5% HL, versus 27.9-38.5); smaller interorbital width than
B. pugnax
and
B. pulchra
(29.6-36.1% HL, versus 32.4-53) (Ref.
30224
).
Facultative air-breathing (Ref.
126274
)
Life cycle and mating behavior
Maturity
|
Reproduction
|
Spawning
|
Eggs
|
Fecundity
|
Larvae
Tan, H.H. and M. Kottelat
, 1998. Two new species of
Betta
(Teleostei: Osphronemidae) from the Kapuas Basin, Kalimantan Barat, Borneo. Raffles Bull. Zool. 46(1):41-51. (Ref.
30224
)
IUCN Red List Status (Ref.
130435
)
Vulnerable (VU)
(B1ab(iii)); Date assessed:
24 December 2018
CITES
Not Evaluated
Not Evaluated
Threat to humans
Harmless
Human uses
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Zoological Record
Estimates based on models
Phylogenetic diversity index (Ref.
82804
): PD
50
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00376 - 0.02663), b=2.97 (2.75 - 3.19), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245
).
Trophic level (Ref.
69278
): 3.2 ±0.4 se; based on size and trophs of closest relatives
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).
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