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Gymnocranius grandoculis (Valenciennes, 1830)
ROBINSON' S SEABREAM
Robinson's Seabream; Blue-lined Large-eye Bream; Blue-lined Sea Bream; Iodine Bream; Maori Sea Bream; Robinson's Sea Bream; Gymnocranius robinsoni Gilchrist and Thompson, 1909; Dentex rivulatus Rüppell, 1838; Dentex robinsoni Gilchrist and Thompson, 1909; Paradentex marshalli Whitley, 1936; Cantharus grandoculis Valenciennes, 1830

Life   Vertebrata   Fish   Lethrinidae   Gymnocranius


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http://biodiversity.org.au/afd/taxa/9007bf84-aa08-4f19-822b-8726cf0ae73d/ ---> https://biodiversity.org.au/afd/taxa/9007bf84-aa08-4f19-822b-8726cf0ae73d/
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Kingdom Animalia  
 Phylum Chordata  
 Class Actinopterygii  
 Order Perciformes  
 Family Lethrinidae  
 Genus Gymnocranius  
  Gymnocranius grandoculis    (Valenciennes, 1830) 
Provider: Kwang-Tsao Shao 
hierarchy tree    download xml    download txt    Chinese Page    
Synonyms: Cantharus grandoculis Dentex lethrinoides Dentex rivulatus Dentex robinsoni Gymnocranium grandoculis Gymnocranius grandocculis Gymnocranius grandoculus Gymnocranius lethrinoides Gymnocranius rivulatus Gymnocranius robinsoni Gymnocranius ruppellii details
Citation: 陳春暉(2004)澎湖的魚類; Fishes of Japan(Nakabo, 2002); Fishbase(2006)
Name Code: 383392
  IUCN Red List:LC       Marine     
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http://www.fishbase.org/Summary/speciesSummary.php?genusname=Gymnocranius&speciesname=grandoculis ---> https://www.fishbase.in/Summary/speciesSummary.php?genusname=Gymnocranius&speciesname=grandoculis
https://www.fishbase.in/Summary/speciesSummary.php?genusname=Gymnocranius&speciesname=grandoculis ---> https://www.fishbase.in/summary/Gymnocranius-grandoculis.html

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Common name (e.g. trout)

Genus + Species (e.g. Gadus morhua)

Gymnocranius grandoculis (Valenciennes , 1830)

Blue-lined large-eye bream Add your observation in Fish Watcher
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Gymnocranius grandoculis   AquaMaps   Data sources: GBIF OBIS
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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) > Monotaxinae
Etymology: Gymnocranius: Greek, gymnos = naked + Greek, kranion = skull (Ref. 45335 ) .  More on author: Valenciennes .

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

Marine; reef-associated; non-migratory; depth range 20 - 170 m (Ref. 12260 ).   Tropical; 35°N - 28°S, 32°E - 134°W

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

Indo-Pacific: East Africa to southeastern Oceania and from Australia northward to Japan. This species has been referred to as Gymnocranius robinsoni in recent literature.

Size / Weight / Age

Maturity: L m   ?   range ? - ? cm
Max length : 80.0 cm TL male/unsexed; (Ref. 2295 ); common length : 64.0 cm SL male/unsexed; (Ref. 37816 ); max. published weight: 5.5 kg (Ref. 40637 )

Short description Morphology | Morphometrics

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

Biology     Glossary (e.g. epibenthic)

Inhabits offshore reefs (Ref. 9710 ), trawling grounds of the continental shelves and offshore rocky bottoms (Ref. 30573 ). Juveniles inshore on muddy substrates (Ref. 48635 ). Solitary or in small groups (Ref. 90102 ). Feeds mostly on bottom invertebrates and small fishes (Ref. 30573 ). Potential commercial fish if sufficient stocks can be located (Ref. 9775 ). Marketed fresh (Ref. 9775 ); sometimes with a strong and unpleasant flavor (Ref. 11888 ).

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. 118484 )

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 based on models

Preferred temperature (Ref. 115969 ): 21.6 - 28.3, mean 26.8 (based on 971 cells). Phylogenetic diversity index (Ref. 82805 ):  PD 50 = 0.5010   [Uniqueness, from 0.5 = low to 2.0 = high]. Bayesian length-weight: a=0.02042 (0.01172 - 0.03557), b=2.88 (2.73 - 3.03), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245 ). Trophic Level (Ref. 69278 ):  3.8   ±0.0 se; Based on diet studies. Generation time: 4.8 ( na - na) years. Estimated as median LN(3)/K based on 1 growth studies. Resilience (Ref. 120179 ):  Medium, minimum population doubling time 1.4 - 4.4 years (K=0.23). Vulnerability (Ref. 59153 ):  Moderate vulnerability (42 of 100) . Price category (Ref. 80766 ):   High .

Entered by Luna, Susan M. Modified by Olisa, Kristine Elaine Paz Fish Forum
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