Classification / Names
Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa
Actinopteri (ray-finned fishes) > Eupercaria/misc
(Various families in series Eupercaria) > Labridae
Etymology: Xenojulis: Greek, xenos = strange + Greek, ioulis, a fish dealing with genera Coris or Thalassoma (Ref. 45335). More on author: Macleay.
Environment: milieu / climate zone / depth range / distribution range
Marine; reef-associated; depth range 0 - ? m (Ref. 2154), usually 2 - 10 m (Ref. 27115). Tropical; 24°C - 28°C (Ref. 27115)
Western Pacific: Philippines, New Guinea and Western Australia.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 10.0 cm SL male/unsexed; (Ref. 9823)
soft rays: 11;
Vertebrae: 25. Ground color of male body burgundy, becoming paler ventrally; head irregularly striped with green and burgundy; iris yellow. Preserved females pale with 5 irregular, dusky bars on side of body; pelvic fins with 2 black spots. Fin spines pungent. Posterior preopercular margin free dorsally to about level of mouth, ventral margin free anteriorly nearly to a vertical at front edge of orbit. Long pelvic fins: reaching or nearly reaching anus in females; extending posterior to anal fin origin in males.
Found in shallow waters with dense coral growth on coral rubble and sand, also in weedy areas.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Oviparous, distinct pairing during breeding (Ref. 205).
Randall, J.E. and T.A. Adamsom, 1982. A review of the monotypic Indo-Malayan labrid fish genus Xenojulis. Pac. Sci. 36(1):119-126. (Ref. 2154)
IUCN Red List Status (Ref. 123251)
CITES (Ref. 123416)
Threat to humans
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 25.3 - 29.2, mean 28.6 °C (based on 985 cells).
Phylogenetic diversity index (Ref. 82805
= 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00955 (0.00458 - 0.01993), b=3.07 (2.89 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic level (Ref. 69278
): 3.4 ±0.4 se; based on size and trophs of closest relatives
Resilience (Ref. 120179
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Low vulnerability (22 of 100) .