http://www.fishbase.org/Summary/speciesSummary.php?genusname=Scarus&speciesname=rivulatus ---> https://www.fishbase.in/Summary/speciesSummary.php?genusname=Scarus&speciesname=rivulatus https://www.fishbase.in/Summary/speciesSummary.php?genusname=Scarus&speciesname=rivulatus ---> https://www.fishbase.in/summary/Scarus-rivulatus.html
: 9. Males easily recognized by the yellow pectoral fins and orange cheeks. Females plain grey with pale lines along abdominal area (Ref.
). The initial phase closely resembles that of
. Differences lie in the number of scale row and scales in the ventral side.
Found in silty coastal and offshore areas to 20 m deep (Ref.
). Inhabits rocky and coral reefs from tidal pools to at least 10 m deep. Form schools with 30 to 40 individuals. Grazes on benthic algae and corals (Ref.
). Reproductively active terminal males become bicolored (Ref.
Life cycle and mating behavior
Oviparous, distinct pairing during breeding (Ref.
Randall, J.E. and J.H. Choat
, 1980. Two new parrotfishes of the genus
from the Central and South Pacific, with further examples of sexual dichromatism. Zool. J. Linn. Soc. 70:383-419. (Ref.
Preferred temperature (Ref.
): 24.8 - 29.3, mean 28.5 (based on 2763 cells).
Phylogenetic diversity index (Ref.
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01514 (0.01004 - 0.02282), b=3.07 (2.95 - 3.19), in cm Total Length, based on LWR estimates for this species & Genus-body shape (Ref.
Trophic Level (Ref.
): 2.0 ±0.0 se; Based on diet studies.
): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
): Moderate vulnerability (39 of 100) .
Price category (Ref.
Capuli, Estelita Emily
Valdestamon, Roxanne Rei
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