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Pseudochromis howsoni, Howson's dottyback
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Howson's dottyback
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drawing shows typical species in Pseudochromidae.
Teleostei (teleosts) >
Ovalentaria/misc
(Various families in series Ovalentaria) >
Pseudochromidae
(Dottybacks) > Pseudochrominae
Etymology:
Pseudochromis:
Greek, pseudes = false + Greek, chromis = a fish, perhaps a perch (Ref.
45335
)
;
howsoni:
Named in honor of Craig Howson, captain of the charter vessel
True North
, for his excellent service during several Western Australian Museum expeditions (Ref.
31113
)
.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; reef-associated; depth range ? - 23 m (Ref.
31113
). Tropical
Eastern Indian Ocean: Australia.
Size / Weight / Age
Maturity: L
m
 
?
  range ? - ? cm
Max length : 10.0 cm TL male/unsexed; (Ref.
36661
)
Short description
Morphology
|
Morphometrics
Dorsal
spines
(total): 3;
Dorsal
soft rays
(total): 26;
Anal
spines
: 3;
Anal
soft rays
: 14. Anterior tips of palatine tooth patches directed medially behind posterolateral arms of vomerine tooth patch; large dark spot at posterior corner of operculum; color pattern sexually dimorphic, male overall orange anteriorly and purplish grey posteriorly, female entirely purplish grey; neither sex with narrow white bar on head just behind eye (Ref.
31113
).
Found on sand-rubble bottom, around low rocky outcrops (Ref.
36661
). Occurs in pairs (Ref.
36661
). Minimum depth from Ref. 58018.
Life cycle and mating behavior
Maturity
|
Reproduction
|
Spawning
|
Eggs
|
Fecundity
|
Larvae
Allen, G.R.
, 1997. The marine fishes of tropical Australia and south-east Asia. Western Australian Museum, Perth, Western Australia. 292 p. (Ref.
36661
)
IUCN Red List Status (Ref.
130435
)
Not Evaluated
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
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01148 (0.00439 - 0.03002), b=3.01 (2.78 - 3.24), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245
).
Trophic level (Ref.
69278
): 3.5 ±0.5 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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Page last modified by :
mrius-barile
- 20 July 2016
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