Actinopterygii (ray-finned fishes) > Perciformes
(Perch-likes) > Labridae
(Wrasses) > Xyrichtyinae
Etymology: Iniistius: Latin, in = in + Greek, istion = sail.
Environment / Climate / Range
Marine; reef-associated; depth range 2 - 30 m (Ref. 90102). Tropical, preferred ?
Indo-Pacific: Red Sea and East Africa to the Pacific.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 25.0 cm TL male/unsexed; (Ref. 2334)
Found over sandy bottoms of coastal areas and also in areas with some seagrass or algae. Ranges to a depth of over 18 m (Ref. 9710). Usually in large spread-out groups on upper slopes of sand and mud banks with males defending its section that has numerous females (Ref. 48636). Dives into sand to sleep safely at night or to hide when alarmed (Ref. 90102). When threatened, it dives head-first into sand; may take some time to emerge again. Feeds mainly on hard-shelled prey, including mollusks and crustaceans (Ref. 5374). Minimum depth taken from Ref. 9710.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
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. 109396)
CITES (Ref. 94142)
Threat to humans
Fisheries: minor commercial; aquarium: commercial
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01122 (0.00514 - 0.02450), b=3.04 (2.87 - 3.21), based on all LWR estimates for this body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.6 ±0.50 se; Based on food items.
Resilience (Ref. 69278
): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Low to moderate vulnerability (32 of 100) .