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Epinephelus polylepis  Randall & Heemstra, 1991

Smallscaled grouper
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Native range | All suitable habitat | Point map | Year 2100
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Epinephelus polylepis   AquaMaps   Data sources: GBIF OBIS
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Image of Epinephelus polylepis (Smallscaled grouper)
Epinephelus polylepis
Picture by Randall, J.E.


Saudi Arabia country information

Common names: [No common name]
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Also Ref. 4787.
National Checklist:
Country Information: httpss://www.cia.gov/library/publications/resources/the-world-factbook/geos/sa.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Heemstra, P.C. and J.E. Randall, 1993
National Database:

Classification / Names

Actinopterygii (ray-finned fishes) > Perciformes (Perch-likes) > Serranidae (Sea basses: groupers and fairy basslets) > Epinephelinae
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL

Common names from other countries

Main reference

Size / Weight / Age

Max length : 61.0 cm TL male/unsexed; (Ref. 30573); 54.7 cm TL (female); max. published weight: 0.00 g

Environment

Marine; demersal; depth range 10 - 155 m (Ref. 89707)

Climate / Range

Tropical, preferred ?; 33°N - 8°N, 44°E - 77°E (Ref. 5222)

Distribution

Western Indian Ocean: Gulf of Aden, Gulf of Oman, Persian Gulf, Pakistan, and west coast of India. Since it has only recently been discovered, it may be expected to have a wider distribution.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal spines (total): 11; Dorsal soft rays (total): 16-17; Anal spines: 3; Anal soft rays: 8. Distinguished by the following characteristics: head, body and fins pale, covered with numerous small close-set dark brown spots; spots on fins and dorsal parts of head and body smaller and closer together compared to those on the sides and ventrally; rear edge of caudal fin with white line and a row of blackish brown spots; presence of dark maxillary streak; body depth contained 2.6-3.3 times in SL; body width 1.8-2.4 times in depth; head length 2.5-2.8 times in SL; slightly convex interorbital, dorsal head profile almost straight; angular preopercle, with indentation above the angle and enlarged serrae below the indentation; straight upper edge of operculum; posterior nostrils slightly larger than anterior ones; maxilla reaches to below rear half of eye; front of jaws with a pair of small fixed canines; 2 rows of teeth on midlateral part of lower jaw, inner ones twice length of outer teeth, pyloric caeca 28-34 (Ref. 89707).

Biology     Glossary (e.g. epibenthic)

Known from rocky areas adjacent to soft bottoms in depths 10-155 m (Ref. 89707). In the Hong Kong live fish markets (Ref. 27253).

IUCN Red List Status (Ref. 115185)

Threat to humans

  Harmless



Human uses

Fisheries: commercial

More information

Countries
FAO areas
Ecosystems
Occurrences
Introductions
Stocks
Ecology
Diet
Food items
Food consumption
Ration
Common names
Synonyms
Metabolism
Predators
Ecotoxicology
Reproduction
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Spawning
Fecundity
Eggs
Egg development
Age/Size
Growth
Length-weight
Length-length
Length-frequencies
Morphometrics
Morphology
Larvae
Larval dynamics
Recruitment
Abundance
References
Aquaculture
Aquaculture profile
Strains
Genetics
Allele frequencies
Heritability
Diseases
Processing
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Ciguatera
Speed
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Gill area
Otoliths
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Tools

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Internet sources

BHL | Check for other websites | Check FishWatcher | CISTI | DiscoverLife | ECOTOX | FAO(Publication : search) | GenBank(genome, nucleotide) | GOBASE | Google Books | Google Scholar | Google | IGFA World Record | iSpecies | PubMed | Scirus | Sea Around Us | SeaLifeBase | Tree of Life | uBio | uBio RSS | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoological Record | Fishtrace

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805)
PD50 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Trophic Level (Ref. 69278)
3.9   ±0.6 se; Based on size and trophs of closest relatives

Resilience (Ref. 69278)
Medium, minimum population doubling time 1.4 - 4.4 years (K=0.19; tmax=41)

Vulnerability (Ref. 59153)
Moderate to high vulnerability (46 of 100)
Price category (Ref. 80766)
Very high