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Dorsal
spines
(total): 9;
Dorsal
soft rays
(total): 10;
Anal
spines
: 3;
Anal
soft rays
: 9. This species is distinguished by the following characters: median predorsal scales 5-7 (usually 6); 2 scale rows on cheek, 1(6-8), 2(6-8); pectoral-fin rays 15; dental plates well exposed, lips not covering the plates; 1-2 conical teeth on side of upper dental plate; caudal fin truncate. Colour of initial phase (IP) dark brown with broad pale bars on sides and pale caudal fin and caudal peduncle; male with greenish large pale cream patch below eye bordered entirely by a thick green line. Male greenish with pink scale edges, green central zone and outer margins on tail and large rectangular whitish area on cheek; female dark brown with 3-4 broad pale bars (Ref.
9793
,
90102
,
117228
).
Found in clear coastal and inner reefs (Ref.
48636
); in lagoons and channel reefs (Ref.
2334
). Feeds by scraping algae from the substrate (Ref.
26993
). Females usually in small groups and maybe mixed with other species when feeding; males solitary nearby (Ref.
48636
). Minimum depth reported taken from Ref. 128797.
Life cycle and mating behavior
Maturity
|
Reproduction
|
Spawning
|
Eggs
|
Fecundity
|
Larvae
Oviparous, distinct pairing during breeding (Ref.
205
).
Randall, J.E., G.R. Allen and R.C. Steene
, 1990. Fishes of the Great Barrier Reef and Coral Sea. University of Hawaii Press, Honolulu, Hawaii. 506 p. (Ref.
2334
)
Preferred temperature (Ref.
123201
): 25.8 - 29.3, mean 28.6 °C (based on 1692 cells).
Phylogenetic diversity index (Ref.
82804
): PD
50
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02754 (0.01419 - 0.05347), b=3.01 (2.83 - 3.19), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245
).
Trophic level (Ref.
69278
): 2.0 ±0.00 se; based on food items.
Resilience (Ref.
120179
): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153
): Moderate vulnerability (39 of 100).
Price category (Ref.
80766
):
High
.
Nutrients (Ref.
124155
): Calcium = 29.6 [9.5, 107.8] mg/100g; Iron = 0.556 [0.210, 1.463] mg/100g; Protein = 18.2 [16.1, 20.2] %; Omega3 = 0.0691 [, ] g/100g; Selenium = 40.8 [12.1, 129.1] μg/100g; VitaminA = 30 [7, 121] μg/100g; Zinc = 1.73 [0.73, 3.23] mg/100g (wet weight);
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- 20 July 2016
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