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Symphurus trewavasae  Chabanaud, 1948

Trewavas' tonguefish
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Symphurus trewavasae   AquaMaps   Data sources: GBIF OBIS
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Image of Symphurus trewavasae (Trewavas
Symphurus trewavasae
Picture by Figueiredo, J.L./Menezes, N.A.

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

Actinopterygii (ray-finned fishes) > Pleuronectiformes (Flatfishes) > Cynoglossidae (Tonguefishes) > Symphurinae
Etymology: Symphurus: Greek, syn, symphysis = grown together + Greek, oura = tail (Ref. 45335).   More on author: Chabanaud.

Environment / Climate / Range Ecology

Marine; demersal; depth range 7 - 190 m (Ref. 36453), usually 40 - 100 m (Ref. 36453).   Tropical

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 13.9 cm SL male/unsexed; (Ref. 26268)

Short description Morphology | Morphometrics

Dorsal spines (total): 0; Dorsal soft rays (total): 86-93; Anal spines: 0; Anal soft rays: 72 - 78

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

Southwest Atlantic: southeastern Brazil to central Argentina.

Biology     Glossary (e.g. epibenthic)

Sexual maturity of females at approximately 7 to 8 cm. Minimum depth reported from Ref. 26268.

Main reference Upload your references | References | Coordinator | Collaborators

Munroe, T.A., 1998. Systematics and ecology of tonguefishes of the genus Symphurus (Cynoglossidae: Pleuronectiformes) from the western Atlantic Ocean. Fish. Bull. 96(1):1-182.

IUCN Red List Status (Ref. 90363)

  Not Evaluated 

Threat to humans

  Harmless




Human uses

FAO(Publication : search) | FisheriesWiki | Sea Around Us

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Internet sources

BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | Faunafri | Fishtrace | GenBank(genome, nucleotide) | GOBASE | Google Books | Google Scholar | Google | IGFA World Record | iSpecies | National databases | PubMed | Scirus | SeaLifeBase | Tree of Life | uBio | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates of some properties based on empirical models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01507 (-0.18747 - 0.21761), b=2.93895 (2.82861 - 3.04928), based on LWR estimates for this family-BS (Ref. 93245).
Trophic Level (Ref. 69278):  3.3   ±0.4 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278):  High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153):  Low to moderate vulnerability (29 of 100) .
Price category (Ref. 80766):   Very high.