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Lethrinus conchyliatus  (Smith, 1959)

Redaxil emperor
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Image of Lethrinus conchyliatus (Redaxil emperor)
Lethrinus conchyliatus
Picture by Winterbottom, R.

Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Perciformes (Perch-likes) > Lethrinidae (Emperors or scavengers) > Lethrininae
Etymology: Lethrinus: Greek, lethrinia, a fish pertaining to genus Pagellus.

Environment: milieu / climate zone / depth range / distribution range Ecology

Marine; reef-associated; non-migratory; depth range 5 - 220 m (Ref. 2295).   Tropical; 14°N - 22°S

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Indian Ocean: Tanzania, northern Madagascar, Chagos, Andamans and southwestern Indonesia.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 76.0 cm TL male/unsexed; (Ref. 2295); common length : 50.0 cm TL male/unsexed; (Ref. 2295)

Short description Morphology | Morphometrics

Dorsal spines (total): 10; Dorsal soft rays (total): 9; Anal spines: 3; Anal soft rays: 8.

Biology     Glossary (e.g. epibenthic)

Solitarily inhabits sand, rubble, and weed areas near corals (Ref. 90102) in deep reefs. Feeds on crustaceans and small fishes. Gonads in spawning state have been observed in October. This species is not well represented in museums due to the relatively large capture size for most specimens (Ref. 2295). Also caught with handlines (Ref. 9775).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator | Collaborators

Carpenter, K.E. and G.R. Allen, 1989. FAO Species Catalogue. Vol. 9. Emperor fishes and large-eye breams of the world (family Lethrinidae). An annotated and illustrated catalogue of lethrinid species known to date. FAO Fish. Synop. 125(9):118 p. Rome: FAO. (Ref. 2295)

IUCN Red List Status (Ref. 115185)

CITES (Ref. 115941)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless




Human uses

Fisheries: commercial
FAO(Publication : search) | FishSource |

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Estimates of some properties based on models

Preferred temperature (Ref. 115969): 23.2 - 28.3, mean 27 (based on 636 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01479 (0.00712 - 0.03073), b=2.99 (2.82 - 3.16), in cm Total Length, based on LWR estimates for this Genus-body shape (Ref. 93245).
Trophic Level (Ref. 69278):  4.0   ±0.67 se; Based on food items.
Resilience (Ref. 69278):  Low, minimum population doubling time 4.5 - 14 years (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153):  Moderate to high vulnerability (53 of 100) .
Price category (Ref. 80766):   Very high.