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Lethrinus semicinctus Valenciennes, 1830
BLACKBLOTCH EMPEROR
Black Blotch Emperor; Black-blotch Emperor; Black-spot Emperor; Finger-print Emperor

Life   Vertebrata   Fish   Lethrinidae   Lethrinus


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Following modified from Australian Faunal Directory
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http://biodiversity.org.au/afd/taxa/8418aa18-2d5f-49e8-addc-cc20b9dad51f/ ---> https://biodiversity.org.au/afd/taxa/8418aa18-2d5f-49e8-addc-cc20b9dad51f/
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Following modified from Taiwan Biodiversity National Information Network
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Kingdom Animalia  
 Phylum Chordata  
 Class Actinopterygii  
 Order Perciformes  
 Family Lethrinidae  
 Genus Lethrinus  
  Lethrinus semicinctus    Valenciennes, 1830 
Provider: Kwang-Tsao Shao 
hierarchy tree    download xml    download txt    Chinese Page    
Synonyms: Lethrinella variegata Lethrinus latifrons Lethrinus variagatus   details
Citation: 臺灣魚類誌(沈等, 1993); The Live Marine Resources of the Western Central Pacific, Vol.5(FAO, 2001)
Character: Dorsal-fin rays X, 9; anal-fin rays III, 8; pectoral-fin rays 13. Body depth 3.44 times in standard length. Body is brown or tan, with scattered irregular small black blotches, a large oblong black blotch below soft-rayed portion of dorsal fin and bordering below the lateral line. The fins are pale or pinkish. 
Habitat: Inhabits shallow seagrass beds, reef flats, lagoons, and sandy areas near coral reefs. Feeds on benthic invertebrates and small fish. Caught with beach seines and handlines and is marketed fresh. 
Distribution: Indo-West Pacific: Sri Lanka to the Marshall and Solomon islands, north to the Ryukyu Islands, south to northern Australia. Taiwan: South, Lanyu, Lyudao, East, West.  
Utility: Commercial fishery species. 
Name Code: 382079
  IUCN Red List:LC       Marine     
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Following modified from FishBase
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http://www.fishbase.org/Summary/speciesSummary.php?genusname=Lethrinus&speciesname=semicinctus ---> https://www.fishbase.se/Summary/speciesSummary.php?genusname=Lethrinus&speciesname=semicinctus
https://www.fishbase.se/Summary/speciesSummary.php?genusname=Lethrinus&speciesname=semicinctus ---> https://www.fishbase.se/summary/Lethrinus-semicinctus.html

Common name (e.g. trout)

Genus + Species (e.g. Gadus morhua)

Lethrinus semicinctus Valenciennes , 1830

Black blotch emperor Add your observation in Fish Watcher
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This map was computer-generated and has not yet been reviewed.
Lethrinus semicinctus   AquaMaps   Data sources: GBIF OBIS
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Pictures | Videos |     Google image Image of Lethrinus semicinctus (Black blotch emperor) Lethrinus semicinctus
Picture by Allen, G.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 .  More on author: Valenciennes .

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

Marine; reef-associated; non-migratory; depth range 4 - 35 m (Ref. 90102 ).   Tropical; 30°N - 21°S

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

Indo-West Pacific: Sri Lanka to the Marshall and Solomon islands, north to the Ryukyu Islands, south to northern Australia.

Size / Weight / Age

Maturity: L m   ?   range ? - ? cm
Max length : 35.0 cm TL male/unsexed; (Ref. 2295 ); common length : 29.0 cm SL male/unsexed; (Ref. 37816 )

Short description Morphology | Morphometrics

Dorsal spines (total): 10; Dorsal soft rays (total): 9; Anal spines : 3; Anal soft rays : 8. Body is brown or tan, with scattered irregular small black blotches, a large oblong black blotch below soft-rayed portion of dorsal fin and bordering below the lateral line. The fins are pale or pinkish.

Biology     Glossary (e.g. epibenthic)

Solitary or in groups (Ref. 90102 ). Inhabits shallow seagrass beds, reef flats, lagoons, and sandy areas near coral reefs. Feeds on benthic invertebrates and small fish. Also caught with beach seines and handlines and is marketed fresh (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. 120744 )

  Least Concern (LC)  ; Date assessed: 09 March 2015

CITES (Ref. 115941 )

Not Evaluated

CMS (Ref. 116361 )

Not Evaluated

Threat to humans

  Harmless




Human uses

Fisheries: minor commercial FAO(Publication : search ) | FishSource | Sea Around Us

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Estimates of some properties based on models

Preferred temperature (Ref. 115969 ): 26.2 - 28.9, mean 27.9 (based on 396 cells). Phylogenetic diversity index (Ref. 82805 ):  PD 50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high]. Bayesian length-weight: a=0.01288 (0.00795 - 0.02088), b=3.01 (2.88 - 3.14), in cm Total Length, based on LWR estimates for this species & Genus-body shape (Ref. 93245 ). Trophic Level (Ref. 69278 ):  4.0   ±0.64 se; Based on food items. Resilience (Ref. 69278 ):  High, minimum population doubling time less than 15 months (K=0.5-0.7). Vulnerability (Ref. 59153 ):  Low vulnerability (25 of 100) . Price category (Ref. 80766 ):   Very high .

Entered by Luna, Susan M. Modified by Casal, Christine Marie V. Fish Forum
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