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Opsanus tau  (Linnaeus, 1766)

Oyster toadfish
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| Native range | All suitable habitat | PointMap | Year 2050 |
This map was computer-generated and has not yet been reviewed.
Opsanus tau   AquaMaps   Data sources: GBIF OBIS
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Image of Opsanus tau (Oyster toadfish)
Opsanus tau
Picture by IGFA

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

Actinopterygii (ray-finned fishes) > Batrachoidiformes (Toadfishes) > Batrachoididae (Toadfishes) > Batrachoidinae

Environment / Climate / Range Ecology

Marine; reef-associated.   Subtropical; 43°N - 25°N

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 43.2 cm TL male/unsexed; (Ref. 40637); max. published weight: 2.2 kg (Ref. 40637)

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

Western Atlantic: Cape Cod, Massachusetts to Florida in USA, straggling south to Miami in cold years.

Biology     Glossary (e.g. epibenthic)

Largely inhabits inshore water on rocky bottoms and reefs, jetties and wrecks. Frequently occurs among litter and tolerates polluted water. Becoming important as an experimental fish because of its size and hardiness. Has been reared in captivity (Ref. 35422).

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

Main reference Upload your references | References | Coordinator : Collette, Bruce B. | Collaborators

Robins, C.R. and G.C. Ray, 1986. A field guide to Atlantic coast fishes of North America. Houghton Mifflin Company, Boston, U.S.A. 354 p. (Ref. 7251)

IUCN Red List Status (Ref. 96402)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Venomous (Ref. 4690)




Human uses

Gamefish: yes; aquarium: public aquariums
FAO(Publication : search) | FisheriesWiki | Sea Around Us

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Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5312   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00933 (0.00453 - 0.01921), b=3.06 (2.87 - 3.25), based on LWR estimates for species & Subfamily-body shape (Ref. 93245).
Trophic Level (Ref. 69278):  3.8   ±0.4 se; Based on diet studies.
Resilience (Ref. 69278):  Low, minimum population doubling time 4.5 - 14 years (K=0.11; tmax=8).
Vulnerability (Ref. 59153):  Moderate to high vulnerability (50 of 100) .
Price category (Ref. 80766):   Unknown.