Teleostei (teleosts) >
Eupercaria/misc (Various families in series Eupercaria) >
Labridae (Wrasses) > Julidinae
Etymology: Labroides: Combination of the labrid genus Labrus and the Greek suffix -oides meaning ‘resembling’ or ‘to bear likeness to’, presumably referring to its similarity with the genus Labrus (or simply other members of the family Labridae).
More on authors: Randall & Springer.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; reef-associated; depth range 0 - 30 m (Ref. 128797). Tropical; 28°N - 25°S, 94°E - 128°W
Western Pacific. Eastern Indonesia (throughout the Lesser Sunda Is., the Banda Arch., Moluccan Arch., Sulawesi, and west Papua); Philippines, Palau; north to the Okinawa Is. Western and southwestern Pacific: Bismarck Arch., the Solomon Is., the Caroline Is., the Marshall Is., the Northern Mariana Is., Ogasawara, the Great Barrier Reef in northeastern Australia, the Coral Sea, New Caledonia, and Vanuatu.
Eastern Indian Ocean: reported from Ashmore Reef and the Cartier Islands in the Timor Sea, and from Rowley Shoals, Scott Reef, and Seringapatam Reefs off Western Australia.
Reports of Labroides pectoralis from the Christmas and Cocos (Keeling) Islands are referrable to another species
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 6.1 cm SL male/unsexed; (Ref. 138889)
Dorsal spines (total): 9; Dorsal soft rays (total): 11; Anal spines: 3; Anal soft rays: 10; Vertebrae: 25. This species is distinguished by the following characters: D IX,11; A III,10; pectoral-fin rays 13; upper procurrent caudal-fin rays 6-7, lower 7-8; principal caudal-fin rays 8 + 7 (BPBM 15838 with 8 + 8); circumpeduncular scales 18-20; body depth 3.6-4.2 in SL; head length 2.5-3.1 in SL; snout length 2.9-4.0 in HL; orbit diameter 3.9-5.3 in HL; orbit diameter 1.0-1.7 in snout length; caudal-peduncle length 2.4-4.0 in HL; pored lateral-line scales 26-28; scale rows above lateral line 3, below lateral line 9-10; total gill rakers 13-14. Colouration: head and anterior body bright yellow, darkening to orange posteriorly above median lateral black stripe; median lateral black stripe is constricted or attenuated to about origin of anal fin, expanding past this point toward edge of caudal fin; upper and lowermost edge of caudal fin light blue to lilac; pelvic fins are translucent yellow; pectoral fins translucent, its lower base with a large elliptical spot (Ref. 138889).
Body shape (shape guide): elongated; Cross section: compressed.
Inhabits coral-rich areas of seaward and clear lagoon reefs (Ref. 9710). Occur solitarily or in pairs. Creates 'cleaning ' stations to which fishes come to have crustacean ectoparasites and mucus removed (Ref. 2334); client fish Myripristis violacea (Ref. 138889).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Oviparous, distinct pairing during breeding (Ref. 205).
Tea, Y.-K., L. Baraf, Y. Menkara, W.B. Ludt, G.R. Allen, J.-P.A. Hobbs and P.F. Cowman, 2026. Cleaning up the cleaner wrasses: revision of the Labroides phthirophagus and Labroides bicolor species complexes, with rediagnosis of Labroides quadrilineatus and descriptions of two new species (Teleostei: Labridae). Raffles Bulletin of Zoology v. 74: 403-443. (Ref. 138889)
IUCN Red List Status (Ref. 130435: Version 2025-2 (Global))
Threat to humans
Harmless
Human uses
Fisheries: commercial; aquarium: commercial
Tools
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Internet sources
Estimates based on models
Phylogenetic diversity index (Ref. 82804) |
PD50 = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00490 (0.00203 - 0.01181), b=3.13 (2.92 - 3.34), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Trophic level (Ref. 69278) |
4.0 ±0.66 se; based on food items. |
Resilience (Ref. 120179) |
High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.). |
Fishing Vulnerability (Ref. 59153) |
Low vulnerability (16 of 100). 🛈 |
Price category (Ref. 80766) |
Very high.
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Nutrients (Ref. 124155) |
Calcium = 119 [61, 222] mg/100g; Iron = 0.73 [0.40, 1.47] mg/100g; Protein = 18.1 [15.2, 20.3] %; Omega3 = 0.112 [0.061, 0.204] g/100g; Selenium = 24.9 [11.3, 53.4] μg/100g; VitaminA = 165 [46, 713] μg/100g; Zinc = 1.76 [1.09, 2.80] mg/100g (wet weight); |