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> Eupercaria/misc (Various families in series Eupercaria) > Labridae (Wrasses) > Julidinae
Etymology: Thalassoma:Greek, thalassa = the sea + Greek, soma = body; the colour of the sea (Ref. 45335). More on author: Linnaeus.
Entorno: milieu / zona climática / rango de profundidad / gama de distribución Ecología
marino asociado a arrecife; rango de profundidad 1 - 20 m (Ref. 9823), usually 1 - 20 m (Ref. 27115). Subtropical; 24°C - 28°C (Ref. 27115); 32°N - 36°S, 24°E - 136°W
Indo-Pacific: Red Sea and East Africa (Ref. 4392) to the Line Islands, north to southern Japan, south to Lord Howe Island and northern New Zealand (Ref. 1602). Reported to have formed a hybrid with Thalassoma rueppellii (Ref. 41655).
Tamaño / Peso / Edad
Madurez: Lm? range ? - ? cm Max length : 45.0 cm TL macho / no sexado; (Ref. 5450)
Espinas dorsales (total) : 8; Radios blandos dorsales (total) : 13; Espinas anales: 3; Radios blandos anales: 11. Adults are identified by the yellow lunate tail. Large males turn blue on the head that grades to green towards the tail (Ref. 48636). Body dark green to blue with vertical red to purplish red lines. Head green to blue with irregular pink to violet bands. Adults with large yellow crescent posteriorly in caudal fin and blue pectoral fins with a large elongate pink area distally. Juveniles with a large dark spot in middle of dorsal fin and a large diffuse black spot at base of caudal fin (Ref 9823). Body shape (shape guide): fusiform / normal; Cross section: compressed.
Occurs solitary or in groups (Ref. 90102) in the upper portions of lagoon and coastal reefs, and in protected seaward reefs (Ref. 1602). Enters estuaries (Ref. 48636). Usually found on upper portions of ledges and heads (Ref. 9710). Feeds mainly on small benthic invertebrates and fish eggs (Ref. 9823). A protogynous hermaphrodite (Ref. 55367).
Ciclo vital y comportamiento de apareamiento Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva
A diandric species (Ref. 55367). Length at sex change = 11.0 cm TL, forms leks during breeding (Ref. 55367).
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)
Situación en la Lista Roja de la UICN (Ref. 130435: Version 2025-2 (Global))
Fisiología Composición corporal Nutrientes Consumo del oxígeno Tipo de natación Velocidad de natación Pigmentos visuales Sonido de peces Enfermedades y parásitos Toxicidad (CL50)
Temperatura preferida (Referencia 123201): 24.6 - 29, mean 28 °C (based on 1296 cells).
Índice de diversidad filogenética (Referencia 82804): PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01259 (0.00818 - 0.01937), b=2.96 (2.84 - 3.08), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).
Nivel trófico (Referencia 69278): 4.2 ±0.27 se; based on food items.
Generation time: 5.8 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies.
Resiliencia (Referencia 120179): Medio, población duplicada en un tiempo mínimo de 1.4-4.4 años (Preliminary K or Fecundity.).
Vulnerabilidad pesquera (Ref. 59153): Low to moderate vulnerability (35 of 100). 🛈
