Etropus crossotus, Fringed flounder : fisheries

Etropus crossotus Jordan & Gilbert, 1882

Fringed flounder
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Etropus crossotus   AquaMaps   Data sources: GBIF OBIS
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Image of Etropus crossotus (Fringed flounder)
Etropus crossotus
Picture by Martins, I.A.

Classification / Names Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa

Teleostei (teleosts) > Pleuronectiformes (Flatfishes) > Cyclopsettidae (Sand whiffs)
Etymology: Etropus: Greek, etron, -on = lower abdomen + Greek, pous = feet.
More on authors: Jordan & Gilbert.

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

Marine; brackish; demersal; anadromous (Ref. 126106); depth range 0 - 100 m (Ref. 115829), usually 0 - 30 m (Ref. 5217). Subtropical; 11°C - 31°C (Ref. 47167); 40°N - 34°S, 117°W - 34°W

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

Eastern Central Pacific: Baja California to Peru (Ref. 9330); Northwestern Central Atlantic: Canada (Ref. 5951) to Chesapeake Bay, USA to the Antilles and southern Brazil.

Length at first maturity / Size / Weight / Age

Maturity: Lm 8.5, range 8 - ? cm
Max length : 22.4 cm TL male/unsexed; (Ref. 131022); common length : 15.0 cm TL male/unsexed; (Ref. 5217); max. published weight: 117.40 g (Ref. 131022); max. reported age: 1.21 years (Ref. 47359)

Short description Identification keys | Morphology | Morphometrics

Dorsal spines (total): 0; Dorsal soft rays (total): 73 - 87; Anal spines: 0; Anal soft rays: 57 - 68.
Body shape (shape guide): other (see remarks).

Biology     Glossary (e.g. epibenthic)

Adults inhabit sandy and muddy bottoms (Ref. 9330). Common in estuaries (Ref. 9330). They feed on big, benthic invertebrates and small fishes (Ref. 9330). Utilized fresh (Ref. 9330).

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

Oviparous (Ref. 101737). Distinct pairing (Ref. 205). Females produce numerous eggs in multiple spawnings during a prolonged spawning period (Ref. 101737).

Main reference Upload your references | References | Coordinator | Collaborators

Figueiredo, J.L. and N.A. Menezes, 2000. Manual de peixes marinhos do sudeste do Brasil. VI.Teleostei (5). Museu de Zoologia, Universidade de São Paulo. Brazil. 116 p. (Ref. 36453)

IUCN Red List Status (Ref. 130435: Version 2025-2 (Global))

  Least Concern (LC) ; Date assessed: 29 January 2013

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

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

More information

Trophic ecology
Food items (preys)
Diet composition
Food consumption
Food rations
Predators
Ecology
Ecology
Population dynamics
Growth parameters
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Recruitment
Abundance
Life cycle
Reproduction
Maturity
Maturity/Gills rel.
Fecundity
Spawning
Spawning aggregations
Eggs
Egg development
Larvae
Larval dynamics
Distribution
Territories
FAO areas
Ecosystems
Occurrences
Introductions
BRUVS - Videos
Anatomy
Gill area
Brain
Otolith
Physiology
Body composition
Nutrients
Oxygen consumption
Swimming type
Swimming speed
Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)
Genetics
Genome
Genetics
Heterozygosity
Heritability
Genetic Diversity
Human related
Aquaculture systems
Aquaculture profiles
Strains
Ciguatera cases
Stamps, coins, misc.
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Taxonomy
Common names
Synonyms
Morphology
Morphometrics
Pictures
References
References

Tools

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Special reports

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Summary page | Point data | Common names | Photos

Internet sources

AFORO (otoliths) | Alien/Invasive Species database | Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: genus, species | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GloBI | GoMexSI (interaction data) | Google Books | Google Scholar | Google | IGFA World Record | OceanAdapt | OneZoom | Open Tree of Life | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | TreeBase | Tree of Life | Wikipedia: Go, Search | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates based on models

Phylogenetic diversity index
(Ref. 82804) 		PD50 = 0.5010 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight a=0.00851 (0.00684 - 0.01059), b=3.08 (3.01 - 3.15), in cm total length, based on LWR estimates for this species (Ref. 93245).
Trophic level
(Ref. 69278) 		3.5   ±0.1 se; based on diet studies.
Generation time 2.4 ( na - na) years. Estimated as median ln(3)/K based on 2 growth studies.
Resilience
(Ref. 120179) 		High, minimum population doubling time less than 15 months (tmax=1.2; K >0.3).
Fishing Vulnerability
(Ref. 59153) 		Low vulnerability (11 of 100). 🛈
Price category
(Ref. 80766) 		Very high.
Nutrients
(Ref. 124155) 		Calcium = 191 [89, 438] mg/100g; Iron = 1.64 [0.75, 3.24] mg/100g; Protein = 17.7 [15.6, 19.8] %; Omega3 = 0.244 [0.120, 0.523] g/100g; Selenium = 36.6 [16.0, 86.1] μg/100g; VitaminA = 4.61 [1.15, 21.44] μg/100g; Zinc = 1.06 [0.66, 1.63] mg/100g (wet weight);