Paralichthys isosceles

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Paralichthys isosceles Jordan, 1891

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Paralichthys isosceles   AquaMaps   Data sources: GBIF OBIS
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Paralichthys isosceles
Picture by Fischer, L.G.

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

Teleostei (teleosts) > Pleuronectiformes (Flatfishes) > Paralichthyidae (Large-tooth flounders)
Etymology: Paralichthys: Greek, para = the side of + Greek, ichthys = fish + Greek, suffix, oides = similar to (Ref. 45335).
More on author: Jordan.

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

Marine; demersal; depth range 50 - 190 m (Ref. 36453), usually 70 - 100 m (Ref. 43588). Subtropical; 34°S - 47°S

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

Southwest Atlantic: Brazil to Argentina.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 32.0 cm TL male/unsexed; (Ref. 43588); 38.0 cm TL (female); max. published weight: 456.14 g (Ref. 102462)

Short description Morphology | Morphometrics

Dorsal spines (total): 0; Dorsal soft rays (total): 79-92; Anal spines: 0; Anal soft rays: 65 - 72; Vertebrae: 38 - 39. Caudal fin double truncate (Ref. 27363). Almost wholly ambicolorate, the blind side is darkly pigmented except for the anterior portion of the body which has dark pigments only on the opercle, subopercle, a small region adjacent and dorsal to the head, and the distal half of the pectoral fin; two lighter pigmented areas were present on the unpigmented dorsal region of the head. The blind side had one of the 3 typical ocelli (upper one) in the same position with that of the ocular side (Ref. 34245).

Biology     Glossary (e.g. epibenthic)

Prefers hard or sandy substrates, rarely on mud (Ref. 43588). Feeds on fishes and cephalopods (Ref. 36453).

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

Distinct pairing (Ref. 205).

Main reference Upload your references | References | Coordinator : Amaoka, Kunio | Collaborators

Nakamura, I., T. Inada, M. Takeda and H. Hatanaka, 1986. Important fishes trawled off Patagonia. Japan Marine Fishery Resource Research Center, Tokyo. 369 p. (Ref. 27363)

IUCN Red List Status (Ref. 130435)

  Data deficient (DD) ; Date assessed: 06 December 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

FAO - Publication: search | FishSource |

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Internet sources

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: genus, species | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genome, nucleotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | National databases | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia: Go, Search | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates based on models

Preferred temperature (Ref. 123201): 4.6 - 10.1, mean 7.9 °C (based on 82 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00479 (0.00270 - 0.00849), b=3.19 (3.04 - 3.34), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).
Trophic level (Ref. 69278):  4.0   ±0.53 se; based on food items.
Resilience (Ref. 120179):  High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low to moderate vulnerability (28 of 100).