Teleostei (teleosts) >
Eupercaria/misc (Various families in series Eupercaria) >
Labridae (Wrasses) > Corinae
Etymology: Thalassoma: Greek, thalassa = the sea + Greek, soma = body; the colour of the sea (Ref. 45335).
More on author: Bleeker.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; reef-associated; depth range 0 - 15 m (Ref. 1602), usually 1 - 15 m (Ref. 27115). Subtropical; 24°C - 28°C (Ref. 27115); 30°N - 32°S
Indo-Pacific: Somalia (Ref. 30573) and South Africa (Ref. 4392) to the Line, Marquesan, and Tuamoto islands, north to southern Japan, south to Rowley Shoals, northern New Zealand and Lord Howe and Rapa islands.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 16.0 cm SL male/unsexed; (Ref. 9823)
Dorsal spines (total): 8; Dorsal soft rays (total): 13; Anal spines: 3; Anal soft rays: 10 - 11. Juveniles easily identified by the color pattern and rounded snout. Males become brightly colored and head usually green with a yellow band following on the body (Ref. 48636). Head naked, no scales dorsally on opercle. Initial phase with a broad blackish stripe from snout through eye to caudal-fin base (Ref 9823).
Occurs in aggregations over shallow lagoon and seaward reefs (Ref. 9710) and on reef flats (Ref. 9823). Feeds mainly on crustacean zooplankton (Ref. 1602). Spawns at dusk above reefs (Ref. 90102). Rarely marketed (Ref. 2334). 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)
IUCN Red List Status (Ref. 130435: Version 2024-1)
Threat to humans
Harmless
Human uses
Fisheries: of no interest; aquarium: commercial
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Estimates based on models
Preferred temperature (Ref.
123201): 24.8 - 29.3, mean 28.4 °C (based on 3194 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00933 (0.00519 - 0.01678), b=3.06 (2.91 - 3.21), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.1 ±0.2 se; based on diet studies.
Resilience (Ref.
120179): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
Nutrients (Ref.
124155): Calcium = 57.7 [23.1, 122.2] mg/100g; Iron = 0.812 [0.431, 1.709] mg/100g; Protein = 18.8 [15.9, 21.1] %; Omega3 = 0.203 [0.107, 0.398] g/100g; Selenium = 9.28 [4.34, 20.90] μg/100g; VitaminA = 140 [38, 589] μg/100g; Zinc = 1.18 [0.73, 2.12] mg/100g (wet weight);