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Pseudogobius masago, Masago snubnose goby
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Masago snubnose goby
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Pseudogobius masago
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The Fish Database of Taiwan
Teleostei (teleosts) >
Gobiiformes
(Gobies) >
Gobiidae
(Gobies) > Gobionellinae
Etymology:
Pseudogobius:
Greek, pseudes = false + Latin, gobius = gudgeon (Ref.
45335
)
.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; brackish; demersal. Subtropical
Northwest Pacific: Japan, Hong Kong, China, Taiwan, Vietnam and Singapore.
Size / Weight / Age
Maturity: L
m
 
?
  range ? - ? cm
Max length : 2.2 cm SL male/unsexed; (Ref.
126575
)
Dorsal
spines
(total): 7;
Dorsal
soft rays
(total): 6-8;
Anal
spines
: 1;
Anal
soft rays
: 6 - 8. This small specis is distinguished by the following characters: D2 I,6-8; A I,6-8; pectoral rays 14-17; segmented caudal rays 15-16 in 9/7 pattern; lateral scales 24-27; transverse scale count 7-8; predorsal scales 7-10; opercle has at least two rows of cycloid scales, cheek scaleless; shoulder girdle is smooth; tongue is blunt; upper jaw teeth similar between male and female, in 2-4 rows, very small, sharp and close-set, while outer row teeth larger. Colouration: head and body whitish to yellowish brown, the scale margins edged with brown, presence of a small single or paired brownish spots or small blotches along mid-side of body with posteriormost spot at hypural crease, extending upward onto caudal fin as oval or rounded blotch (Ref.
126575
).
Facultative air-breathing in the genus (Ref.
126274
); Occurs in brackish waters (Ref.
43239
); in intertidal estuarine habitats and river mouths, mud flats and mangroves. A reported small species apparently spawned in May and August and fed mostly on copepods and amphipods. Associated with several
Pseudogobius
, especially
Pseudogobius pocilosoma
(Ref.
126575
).
Life cycle and mating behavior
Maturity
|
Reproduction
|
Spawning
|
Eggs
|
Fecundity
|
Larvae
Larson, H.K. and M.P. Hammer
, 2021. A revision of the gobiid fish genus
Pseudogobius
(Teleostei, Gobiidae, Tridentigerinae), with description of seven new species from Australia and South-east Asia. Zootaxa 4961(1):1-85. (Ref.
126575
)
IUCN Red List Status (Ref.
130435
)
Not Evaluated
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
= 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00724 (0.00338 - 0.01553), b=3.05 (2.87 - 3.23), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245
).
Trophic level (Ref.
69278
): 3.1 ±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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mrius-barile
- 20 July 2016
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